36kV Gas Insulated Ring Main Unit
Contents
1. Embedded steel r Es 460 440 WO UV o C 8 d i O S O 25 JIN 100mm ok K T Channel CL Slam V N lt S 985 Steel 50 50 RSE ESR te gt dl ao O O W 25 390 390 390 25 U 45 SecoRMU Installation Foundation Cable Interlayer for SecoRMU Installation U C O9 O pas o lt EE CC O 1 SecoRMU switchgear U 2 Cable interlayer 3 Upper ventilation device 4 Bottom ventilation device 5 Cable interlayer ventilation device 46 Greater China Shanghai 4F Building 2 CTP No 1 Hua Tuo Rd zhang Jiang Hi Tech Park Shanghai China 201203 T 86 21 3877 7888 F 86 21 3877 7600 South East Asia Taiwan 6F No 8 Min Sheng E Rd Sec 3 Taipei 10480 T 886 2 2183 7000 F 886 2 2516 6829 Malaysia Level 6 1 Sentral Jalan Travers Kuala Lumpur Sentral Kuala Lumpur Malaysia 50470 T 603 2273 9788 F 603 2273 7988 Thailand 25th floor CRC Tower All Seasons Place 87 2 Wireless Road Lumpini Pathumwan Bangkok 10330 T 66 2 648 0240 F 66 2 648 0200 Philippines 8F Net Cube Building 30th Street Corner 3rd Avenue Crescent West Park Global City Taguig 16342. 920 1 Gas pressure meter 2 Mechanism compartment cover 3 LBS ES operating mechanism 4 Cable compartment cover 1950 600 5 Inner cone bushing for main busbar 6 Gas tank 7 Pressure relief valve of gas tank 8 Enclosure 1950 600 Re Panel 1 6 6 To i 2 o o 3 al 7 jin 4 P 8 do 4 i gt D NG i a l 9 4 4 A i L 1 U C O 920 440 Ed 1 Gas pressure meter 6 Inner cone bushing for main busbar gt 2 Mechanism compartment cover 7 Gas tank O 3 Earthing switch operating mechanism 8 Pressure relief valve of gas tank E 4 Cable compartment cover 9 Enclosure dh 5 HV cable 37 SecoRMU Applications 38 SecoRMU Dimensions C Panel CL a o 920 Front cover 2 Cable compartment cover 3 HV cable 4 Enclosure CL 1950 440 CR 1950 440 LV compartment on the top of the RMU 1950 440 SecoRMU Applications
3. X X X X X X X X X X X x X X X X X X X X X X X X X X x x X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Xx X X X X X X X X X X X X X X x x x x x x X X X X X X X X X X X X X X X X X x x 21100 K V A e 93 507 gt 200 920 _ 1000 440 440 440 2100 gt 150 m o o olllo o ollooo vA RE Cable entry Cable entry Cable entry ST Es holes holes RE Cro O O O a BE En cs Net width of the door 2 Panel quantity n x440 80 Note SecoRMU panels should be connected together before putting into the outdoor enclosure Can lift the panel line up in through the top of the outdoor enclosure or move the panel line up in through the front door of the outdoor enclosure Cable Trench for SecoRMU Installation 1 A foundation is made up of two pieces of 100mm channel steel as shown below 2 The depth of the cable trench is determined by the actual cable types as well as meeting the requirements of the technical specifications 3 Each ring main unit has the same width and depth while the distance between the hole s center of two different channel steels is 872mm The panel can be fixed on the channel steel by the spot welding process Gas tank Mechanism compartment Cable compartment 100mm channel steel
4. A 10 df E 11 o 0 LL o l 0 0 o 9 F o g 407 5 e o Lo L A A A 1000 gt 1 Gas pressure meter 7 Top cover 2 Mechanism compartment cover 3 LBS ES operating mechanism 4 Cable compartment cover 5 Fuse holder 6 HV cable 8 Inner cone bushing for main busbar 9 Gas tank 10 Pressure relief valve of gas tank 11 Enclosure 1950 O 440 al uk V Panel el 920 1 Gas pressure meter 2 Mechanism compartment cover 3 3 position switch operating mechanism 4 VCB operating mechanism 5 Cable compartment cover 8 9 a l 10 A e 440 6 HV cable 7 Inner cone bushing for main busbar 8 Gas tank 9 Pressure relief valve of gas tank 10 Enclosure SecoRMU Applications 35 U O 4 O Q O lt gt ac O O D UD 56 SecoRMU Dimensions Panel
5. T 63 2 877 7000 F 63 2 846 0629 Vietnam Floors 6 amp 7 The Crescent CR3 111 Ton Dat Tien Street Tan Phu Ward District 7 Ho Chi Minh City T 84854137000 F 848 54137040 54137050 Indonesia BRI II Tower 27th floor JI Jend Sudirman No 44 46 Jakarta 10210 T 62 21 573 0430 F 62 21 574 7089 Singapore 240 Tanjong Pagar Road 406 00 GE Tower Singapore 088540 T 65 6326 3718 F 65 6326 3015 India India Plot No 42 1 amp 45 14 Electronic City Phase II Bangalore 560100 T 080 41434000 F 080 41434199 Australia amp New Zealand Australia 125 127 Long Street Smithfield Sydney NSW 2164 T 61 2 8788 6911 F 61 2 8788 7224 New Zealand Level 1 8 Tangihua Street Auckland North Island T 649 353 6706 F 649 353 6707 North Asia Japan 11F Akasaka Park Bldg 5 2 20 Akasaka Minato ku Tokyo 107 6111 T 81 3 3588 5288 F 81 3 3585 3010 Europe amp Middle East Korea 22 Daewangpangyo ro 712 beon gil Bundang gu Seongnam si Gyeonggi do 463 400 Korea T 82 31 620 6000 F 82 31 620 7070 Spain Avenida Camara de la Industria 9 28938 Mostoles Madrid T 34 685 37 91 Belgium Nieuwevaart 51 B 9000 Gent T 32 0 9 265 2111 Finland Kuortaneenkatu 2 FI 00510 Helsinki T 358 0 10 394 3760 France Paris Nord 2 13 rue de la Perdrix F 95958 Roissy CDG C dex T 33 0 800 912 816 Poland Ul Odrowaza 15 03 310 Warszawa T 48 22 519 76
6. When earhing switch is operated to the closed position lift the interlock lever and remove the cable compartment door Cubicle frame Cubicle frame is not only the basic part for components assembling but also used to support and fix the gas tank The frame is made of no less than 2mm thick Aluminum zinc coated plate and assembled by high strength bolts and rivet nuts Toolbox There is delicate toolbox design on the side of the panel with user manual operating handles charging handle etc inside Operators will find the relative tools and documents on site more conveniently SecoRMU Configuration 19 SecoRMU Configuration 20 SecoRMU Configuration Load Break Switch Unit ROSE The load break switch is assembled in the sealed gas tank filled with SF It is of ve straight moving puffer design with strong interrupting capacity The speed and strength of LBS and ES operation is determined by the spring driven mechanism which will not be influenced by different operators The switch positions are close and open In Adi the open position the switch satisfies the disconnector requirements There is mechanical interlocking between LBS operation shaft and ES operation shaft Switch Fuse Combination Unit The switch fuse combination unit is composed of high breaking current limit fuse two position load break switch and separate earthing switch The fuse which is fitted in the epoxy cas
7. load break switch units Rated voltage 36kV Product type For example SecoRMU 36 V 630ID is a vacuum circuit breaker unit with 36kV rated voltage and 630A rated current both sides extendable SecoRMU 36 KK 630D is a two way common tank ring main unit made of two load break switch units with 36kV rated voltage and 630A rated current right side extendable Switchgear Technical Data Item Rated voltage Rated power mm To earth phase to phase withstand voltage min Across isolating distance Rated lightning piles Toe earth phase to phase withstand vonage Across isolating distance Rated freq uency Rated current pom tm ahci emm ere a Rated short circuit making currentpeak Rated short time withstand current and endurance time Rated peak withstand current Load breaker switch rated active load breaking current i Load breaker switch rated closed loop breaking current Load breaker switch 5 rated active load breaking current Rated cable charging breaking current Rated earth fault breaking current Rated cable and line charging breaking current under earth fault conditions Mechanical endurance LBS ES s a A Sr a p pee ENEA Gastank Internal arc degree Cable compartment Gas System Insulated gas pom TJ Rated gas pressure gt rel 2 20 a Alarm i low pressure rel 20 c Minimum operating pressure rel 20 0 Auxiliary Circuit Rated voltage of a
8. 00 and Ul Leszczynska 6 Bielsko Biata 43 300 T 48 33 828 62 33 Latin America Latin America Headquarters 790 N W 107th Avenue Suite 200 Miami Fl 33172 USA Ti 41305 5515155 Chile Vespucio Norte Avenida Presidente Eduardo Frei Montalva 6001 Edificio N 66 Comuna Conchali Sector el Cortijo Santiago T 56 2 928 4700 Italy Centro Direzionale Colleoni Via Paracelso 16 Palazzo Andromeda B1 20864 Agrate Brianza MB T 39 039 637 3701 Netherlands Parallelweg 10 NI 7482 CA Haaksbergen T 31 0 53 573 03 03 Germany Robert Bosch Str 2a 50354 Hurth Efferen T 49 0 2233 9719 0 Portugal Rua Camilo Castelo Branco 805 Apartado 2770 4401 601 Vila Nova de Gaia T 351 22 374 60 00 United Arab Emirates Injaz Building 3rd Floor Dubai Internet City PO Box 11549 Dubai T 971 4 4546912 Brazil Av Maria Coelho Aguiar 215 Bloco C 6 Andar Jd Sdo Luiz 05804 900 Sdo Paulo T 55 11 36141900 Mexico Av Churubusco 3900 Nte Col Industrial Benito Judrez Monterrey N L 64517 T 01 800 800 1968 Hungary Vaci ut 81 83 H 1139 Budapest T 36 1 447 6050 Russia 27 8 Electrozavodskaya street Moscow 107023 T 7 495 9371111 South Africa Unit 4 130 Gazelle Avenue Corporate Park Midrand 1685 P O Box 76672 Wendywood 2144 T 27 11 238 3000 United Kingdom 2 The Arena Downshire Way Bracknell Berkshire RG12 1PU T 44 0 800 587 1239 Turkey Windowist Tower Eski B
9. 3MPa Monthly average vapor pressure lt 1 8 x 10 3MPa The maximum site altitude is 1000m above sea level The ambient air is not significantly polluted by dust smoke corrosive and or flammable gases vapours or salt The manufacturer will assume that in the absence of specific requirements from the user there are none Electromagnetic interference in the secondary systemshall be less than 1 6kV Special operating conditions In accordance with IEC 62271 1 the manufacturer and end user must agree on special operating conditions which deviate from operation under normal conditions The manufacturer supplier must be consulted in advance if special severe operating conditions are involved Such as Altitude above 1000m Ambient temperature higher than 40 C or lower than 25 C Avoid corrosion in control room or other hazards in the following areas Install anti condensation controller and heater if required High humidity areas Large temperature difference or fast fluctuation areas E ABAD 36kV Gas Insulated Ring Main Unit 05 36kV Gas Insulated Ring Main Unit Features and Benefits 2 Safe and Reliable Both the gas tank and cable compartment are internal arc classified AFLR 20kA 15 ensuring maximum personal safety When an internal arc fault occurs the pressure relief device will open allowing the pressurized gas to flow via the arc duct away from the operat
10. System The SF inside the SecoRMU gas tank is non toxic non combustible and chemically inactive In the VCB panel the making and breaking of the arc is achieved by the vacuum interrupter whilst the SF gas provides insulation The use of busbar connectors allows panel installation to be performed without impacting the gas system Eliminating the need to work with the gas on site During an arcing of LBS making and breaking some of the insulating gas decomposes under the high temperatures The gas will recompose and recover after post arc at lower temperatures whilst the remainder will be absorbed by the sorbent in the tanks Mechanical Interlocks All operating mechanisms are situated outside the SF gas tank and behind the front cover It s easy to access the operating mechanism if retrofit or service should be required Push the interlock selector to the left or right to expose the corresponding operation apertures to operate the load break switch disconnector or earthing switch The cable compartment can only be accessed when the earthing switch is in the closed position It will also be impossible to operate the load break switch or disconnector or circuit breaker or open earthing switch before cable compartment door is put back in place Temperature compensated pressure gauge standard A simple visual check of the red green indicator shows if the panel is ready for service The red and green
11. a a ew os 18 Transformer Protection by Switch Fuse Combination CA RA AR A AE Ve OR SOS AA a ERS A Ee 25 Measurement Protection and Control 26 Tools And Accessorie v 29 17 SecoRMU Configuration 18 SecoRMU Configuration SecoRMU Front Panel Low voltage compartment The LV compartment on top of the switchgear can be equipped with secondary components a condensation monitor a remote control unit additional communication device meters etc Dimensions Width N x 440mm Depth 360mm Height 200mm or 500mm Mechanical lock Low voltage compartments are integrated with hinged door Access to the hinged door is controlled by a keyed lock Capacitive high voltage indicator The capacitive high voltage indicator works in conjunction with the integrated sensor to detect the live condition of the incoming outgoing feeder If also verifies the safe isolation from the supply The capacitive high voltage indicator with interlock function can lock the switchgear to prevent any dangerous operation or access when the equipment is live Test sockets are available on the front panel for phase checking Open Close button if motorized operated Open button in red also shows the switch ON condition Close button in green also shows the switch OFF condition Each button is equipped with a plastic cover in front of it to prevent the accidental pressing Heat Monitor When the ambient hum
12. compartment consist of cable terminals earthing bars cable clamps HV cables etc It is available for mounting ring CT and surge arrester if required Cables are bottom entry Cable compartment allowing max double cable connection by using Nexans cable adapters For 2 cables per phase connections cable compartment cover maintain the same depth as the standard unit if an arc fault occurs in the cable compartment the pressure relief device at the rear of the cable compartment will open to vent the gas through the arc duct to the bottom of the panel Cable Terminal Shielded type Front plug cable connector rear plug cable connector rear plug surge arrester Applicable standards EN50181 and DIN47636 410mm 400 Front plug cable connector mm NG Ms T m c SS SJS i U ONA M Rear plug 1 cable connector Interface designed to fit front plug cable connector Bus for rear plug cable connector 9 Conductive EPDM insert Insulating EPDM layer moulded between the insert and the jacket Conductive EPDM jacket 9 Conductive EPDM cap Basic insulating plug Conductor connector hexagonal crimping deep indent crimping or bolted Cable reducer Earthing lead Threaded M16 stud for the equipment bushing 21 SecoRMU Configuration SecoRMU Configuration 22 SecoRMU Configuration Gas
13. network will be power off With the fault indicator operators can locate and find out the failure network more easily so as to disconnect the failure part and to recover the power supply of the good network section in short time SecoRMU Applications SecoRMU Applications 32 SecoRMU Dimensions 33 SecoRMU Control Circuit Schematic Drawing 40 SecoRMU Installation Foundation 43 31 U O O px Q lt gt CC O O QD U 32 SecoRMU Applications Outdoor Switching Substation The outdoor ring main unit substation adopts a metal enclosed prefabricated structure with excellent mechanical strength Its protection degree can reach IP33 which protect the machine against the harmful effects of the ingress of water and solid foreign objects like small animals Ventilation There are louvers on the upper and lower sections of each side of the enclosure with removable filters fitted inside Thermal Insulation The roof is lined with double layer high quality heat insulation foam Anti condensation The slope of the roof is designed more than 3 The big roof cover combined with good ventilation prevents the
14. y kdere Cad No 26 Kat 5 Maslak 34467 Sariyer istanbul T 90 212 214 76 91 F 90 212 214 77 30 North America USA 41 Woodford Avenue Plainville CT USA 06062 and 12305 Kurland Drive Houston TX USA 77034 T 1 800 431 7867 2000 Centre Green Way Suite 200 Cary NC 27513 T 1 919 238 6620 Canada 2300 Meadowvale Blvd Mississauga ON L5N 5P9 T 1 800 GE1 STOP For more information please visit www geindustrial com Printing Code IN201404B12EN Copyright GE Industrial Solutions 2014
15. 0Ka 35 O nan contacts for earthing postion 2NO 2N Electrical Endurance E2 Main busbar left right out cone bushing Mechanical endurance 5000 times Castell or Fortress key interlock Earthing Switch SecoES 36 Rated voltage 36kV ros e E Ka ZALE AME Rated lightning impulse withstand voltage 170kV Rated short circuit making current peak 52kA Mechanical endurance 2000 times 11 T KO o O gt 5 O O C LL uU O co 12 Basic Functional Module Units Switch Fuse Combination Unit T Unit T Dimensions Width 440mm Depth 1000mm Height 1950mm Weight 400kg H K Technical Data Switch fuse combination SecoLBS T 36 Rated voltage Rated power frequency To earth phase to phase 70kV withstand voltage PO TONER RR D 1min Across isolating distance 80kV Rated lightning To earth phase to phase BA impulse withstand voltage Across isolating distance 195kV Rated current Main busbar 630A Rated short circuit breaking current 31 Rated active load breaking current Transfer Current 50A Mechanical endurance 3000 times Earthing Switch SecoES 36 Rated voltage E Rated power frequency withstand voltage 1min 70k Rated lightning impulse withstand voltage 170kV Rated short circuit making current peak 52kA E Mechanical endurance 36kV 36kV Function Control and protect transformers up to 2000kVA Standard configuration Fuse tra
16. 4 1 1 1 3 7 JX15 JXL JM12 JKlla Jx 16 Jklle JKI20 JX 22 JKI24 Jx126 JX130 JKI32 JxX134 JKI36 JKI38 JX139 XB1 19 XB1121 XB1 23 XB1125 XB1127 XB1129 XB1131 XB1133 XB1135 XB1137 XB1139 XB1141 XB1143 XB1144 e Symbol Description Quantity UR Rectifier s Motor 208 AO losing coh 00 13 BA Opening cod 5 DL EB aux contact A O n i u NIP lt PEP PR 6 fekek Charging contactor 7 8 ZLC Anti tripping module 0 0 d 1 T 2 EST a GAN ALAA A aaa 2 10 use i teta nr AAA 1 12 KK Transfer switch SecoRMU Applications E 42 SecoRMU Installation Foundation SecoRMU Layout drawing Side cover Front Aisle Switch room height22450 Dimension and load bearing requirements for the switchgear room design Panel K T V Panel width mm 440 440 440 Installation Switch room height mm 2500 2500 2500 Aisle width Rear min wall distance mm 100 Front min wall distance mm 1000 1000 1000 Panel weight kg 300 575 500 Min load breaking of the floor Kg m 800 1000 800 Note Table above shows the min dimensions required If LV compartment is installed the relative height should be increased accordingly SecoRMU Applications 43 SecoRMU Applications 44 SecoRMU Installation Foundation SecoRMU Outdoor Enclosure Installation 1000 920 Net height of the door21950 H 30 110
17. 6 NIE specication ar T m o a aes a EE a 60529 C ALL p E wee m by a i EN JEC 62 62271 1 m High v voltage switchgear and controlgear Part 1 Common sp specifications aa R A m pe e ipa pana part 100 Memo re s e P EC 62271 102 High v voltage switchgear and controlgear Part 102 Alternating current disconnectors and earthing switches sa EC 622715105 MEM High v voltage switchgear and controlgear gt part 103 Switches for rated voltages above 1kv UP to and including E i IEC 62271 105 High v voltage switchgear and controlgear Part 105 Alternating current switch fuse combinations High voltage switchgear and controlgear Part 200 AC metal enclosed switchgear and rated e ER ZE above 1kV and up to and including 52 kV All other corresponding IEC publications national or local safety regulations must be followed during the installation and operation of the switchgear In addition any project specific advice from GE must be considered Product Type SecoRMU36 Extension mode Left extendable D Right extendable ID Both sides extendable NA Non extendable Rated current 630A K Load break switch unit T Switch fuse combination unit V VCB unit CL CR Cable lifting unit Re Cable lifting unit with earthing switch IL IR Bus tie unit Common tank ring main unit is combined freely by individual units For example KK denotes a two unit common tank solution made of two
18. 920 Note Can install LV compartment as per customer requirement Height L 200 or 500 mm 59 SecoRMU Control Circuit Schematic Drawing K Panel XB20 Power Supply nU m ERE m DCABV Closing circuit Interlock circuit Opening circuit Motor control circuit LBS Status E S Status Power Supply DC48V XB20 7 XB20 9 XB20 11 XB20 13 XB2Q 15 KB20 18 Contactor Aux Node Contactor Aux Node 1 laoL Ms 1l89L m6 L891 M7 L89L M8 1 2 2 3 2 3 Load Break Switch Aux Node 89L M4 89T M10 89T M11 89T M3 89L M3 Earthing Switch Aux Node XB2018 XB20 10 XB20 12 XB20 14 XB20 16 XB20 17XB20 19 XB20120 XB20 22 XB20 23 89L M1 89T M2 D RDN HP XB20 2 Remark The initial status of this diagram shows LBS and earth circuit opened Symbol Description Quantity Note KM1 KM2 Contactor 2 d c M DC Motor 89T M2 Earthing Switch Auxiliary Contact 1 89L M3 9 Load Break Switch Auxiliary Contact 7 No m CN N ns 89T M10 13 Earthing Switch Auxiliary Contact 4 XB20 Terminal 26 Y SecoRMU Applications 40 T Panel Power Supply NE mE ERU Em DCABV Closing circuit Interlock circuit Opening circuit Motor control circuit LBS Status E S Status Fuse Status XB20 Power Supply DC48V A A N m x XB20 7 XB20 9 XB20 11 XB20 13 XB20 15 XB20 18 XB20 24 Contactor Aux Node Fuse Aux Node 1 1 1 1 lgoums Llgot me ua9L M7 L
19. GE QD Industrial Solutions WORLDWIDE PARTNER S CORMU 36kV Gas Insulated Ring Main Unit Leading the future of electrification GE imagination at work GE GE is a diversified organization covering a myriad of market segments including infrastructure finance and media From energy water transportation and health to access to money and information GE serves customers in more than 100 countries and employs more than 300 000 people worldwide The company traces its beginnings from Thomas A Edison who established the Edison Electric Light Company in 1878 In 1892 a merger of Edison General Electric Company and Thomson Houston Electric Company created the General Electric Company GE is the only company listed in the Dow Jones Industrial Index today that was also included in the original index in 1896 Industrial Solutions GE Industrial Solutions a division of GE Energy Management isa global leading provider in power distribution offering a wide range of services and products which include medium and low voltage power distribution equipment and components motor amp control systems and service products that are safe reliable and offer high performance Honour FORTI JNE BusinessWeek 2011 ADMIRED COMPANIES 2010 World s Most Innovative Companies Industry Champion Ranked 1 2011 World s Most Admired Companies BARRON S BARRON S PUNDA MTAA 2009 World s Most Respected Companies Interbrand brand val
20. ages of a ring type power system topology over a radial type distribution system With the use of Ring Main Units RMUs power supply recovery can happen very quickly if any failure occurs in the power distribution system It provides great contribution for improving power system reliability and availability Meanwhile gas insulated ring main units are compact safe to use independent of ambient environment influence and convenient to install The 36KV SecoRMU is such a kind of ring main unit which is especially suitable for kiosk substation applications With the features of a completely sealed gas tank a flexible modular panel design extendable from both ends the 36kV SecoRMU provides integrated solutions for most switching applications in wind farm mining compact secondary substation commercial center and industry The extendable feature allows customer to build functional module units into various solutions to suit their requirements 36kV Gas Insulated Ring Main Unit 36kV Gas Insulated Ring Main Unit 04 Operating Conditions Normal operating conditions The switchgear is fundamentally designed for the normal service conditions for indoor switchgears to IEC 62271 1 Ambient temperature Maximum 40 C Minimum 25 C Daily average maximum temperature 35 C Humidity Daily average relative humidity lt 95 Monthly average relative humidity lt 90 Daily average vapor pressure 2 2 x 10
21. agnostic information allowing users to troubleshoot and minimize downtime Detailed diagnostics are provided via the 256 1ms time stamped event recorder and the 192 cycle Oscillography report sampled at 32 samples per cycle The robust Multilin 3 Series streamlines user work flow processes and simplifies engineering tasks such as configuration wiring testing commissioning and maintenance This cost effective relay also offers enhanced features such as diagnostics preventative maintenance device health reports and advanced security features Easy to use Drawout construction The Multilin 3 Series offers a complete drawout feature eliminating the need for rewiring after testing has been concluded The withdrawable feature also eradicates the need to disconnect communication cables e g fiber copper RJ45 etc and helps retain the communication status even after a relay has been withdrawn from its case Advanced communications Easy integration into new or existing infrastructure With several Ethernet and serial port options and a variety of communication protocols the Multilin 3 Series provides advanced and flexible communication selections enabling seamless integration into new or existing applications The Multilin 3 Series supports various industry standard protocols such as IEC 61850 amp IEC 61850 GOOSE Modbus RTU Modbus TCP IP DNP3 0 IEC 60870 5 104 and IEC 60870 5 103 SecoRMU Configuratio
22. area differs at the junction of 1 25bar 20 C abs The pointer in the green area shows the normal pressure the pointer in the red area shows need to re gas fe in the switch fuse combination panel the fuse compartment can only be accessed when the two sides earthing switches are in the closed position It s impossible to operate the load break switch disconnector when the earthing switch is in earthed position It s also impossible to operate the earthing switch when the load break switch disconnector is in closed position In the VCB panel by means of the mechanical knob it is possible to close and open the circuit breaker The opening spring is always charged when the circuit breaker is in closed position and will be ready to open immediately Gas density monitor Optional Each gas tank can be equipped with a gas density monitor allowing the operator to monitor the gas pressure both locally or remotely In the event of a pressure decrease to the set point alarm pressure the gas meter will give an alarm signal and or trip and or lock the circuit breaker if the protection control unit gives a trip signal in the VCB panel the mechanical interlock is provided to make it impossible to operate the 3p switch when the circuit breaker is in the close position Key Interlocking Medium voltage key interlocking system between panels or between panels and upstream or downstream eq
23. e o uwuw005 500mm Transformer Protection by Switch Fuse Combination The striker pin of the fused holder can activate the spring charging mechanism of the load break switch when a fault occurs The load break switch will trip immediately and the current will be broken by the fuse Fuse Replacement According to IEC recommendations when a fuse has blown all three fuses should be replaced HV fuse meet IEC60282 1 standard Dimension of SIBA Fuse Recommended 35 length after triggering 045 33 537 33 Diameter D Length Rated Current E 6 5A S In S 25A M 50A lt In lt 100A Recommended Fuse Ratings for Transformer Normal operating with no overload 25 C lt lt 40 C Rated voltage Transformer Output Uk Fuse link rated current Rated breaking current kV KVA A kA ZEN d OA Qf 89008 13 6 3 AM AO 80008 13 10 10 Lu 40 na 30 008 15 10 P sneha EE MM 162 NN mo T MM A EA A EEE AO Ma muto AAA 80 AO mza 2000815 20 waki DU E 31 5 40 30 016 13 31 5 SIBA article number SecoRMU Configuration CN O DO ex DEDE E O I 5 31 5 40 30016123315 _ AO KG EM MAL 29 016 15 40 36 A NE Ole AO Wa 30 016 15 40 6 30 024 13 63 W O N O O O W Recommended Fuse Ratings for Transformer Normal operating with 20 ove
24. earthing one section of the busbar Standard configuration Two position load break puffer switch and separate earthing switch Manual operating mechanisms with two separate operating shafts for load break function and earthing function Switch position indication for load break switch and earthing switch Potential indicator SF gas pressure meter Main busbar feeder busbar earthing bar Operating handle Both sides extendable Busbar connector Optional Features Cancel earthing switch Motorized operating mechanism of load break switch LV compartment Surge Arrester Auxiliary contacts for load break switch position 3NO 3NC Auxiliary contacts for earthing position 2NO 2NC Castell or Fortress key interlock Cable Lifting Unit C Unit A A CL Cable Lifting Unit Technical Data Cable Lifting Unit Rated voltage Rated short time withstand current and endurance time CR Cable Lifting Unit 20kA 3s CL CR Dimensions Width 440mm Depth 920mm Height 1950mm Weight 150kg Function Used for connecting with incoming outgoing cables Standard configuration O Potential indicator One sides extendable The cable compartment door interlock Optional Features Ring CT Cable terminals Surge Arrester Basic Functional Module Units 15 T D KO O 2 5 O O C LL Q v O co 16 Basic Functional Module Un
25. guration 30 Tools and Accessories Capacitive High Voltage Indicator Panels are equipped with capacitive high voltage indicator system for testing the circuit live or not The high voltage indicator with interlocking function can provide reliable interlocking avoiding misoperation and entry into the live power equipment Inductive Current Transformer The ring CT is mounted outside the gas tank eliminating exposure to dielectric stress Cast in resin and totally enclosed provides superior protection against pollutants and moisture It can be equipped with one or more independent magnetic cores with equal or different characteristics for measuring metering and protection purposes Earth Fault Sensing CT The split type zero sequence CT is mounted on the feeder side for measuring phase currents and detecting the earth fault current All the power cables in a to Wa WA dr panel are routed through the CT Zero sequence CT is usually installed in the Indicator q 4 cable trench below the switchgear The short circuit and earth fault indicator is designed to detect display and remotely indicate phase selective short circuits and earth faults in medium voltage distribution networks In the power system if short circuit or earth fault occurs in the downstream network the upstream network should trip the circuit in a limit period to avoid fault impact expansion After that the downstream
26. idity reaches 2 60 RH 5 the heater switches on to control the humidity and temperature inside the switchgear The sensor is mounted in the side wall of the cable compartment Panel labels Shows panel description according to customer request Gas pressure viewing window The viewing window allows viewing of the pressure indicator of the gas tank E Operation labels Instruction for load break switch manual operation including maintenance operation steps and energizing operation steps EJ Front cover Covers are manufactured of cold roll steel sheet with painting Color for mechanism compartment cover is RAL 7040 while the upper and lower front covers are of the color RAL 9003 Simulation single line diagram Highly visible representative diagram shows the main configuration of the switchgear Position indicators show the status of the load break switch and earthing switch Screen painting process makes the single line diagram extremely durable Operating aperture interlock selector Insert operating handle into the aperture to operate the load break switch or the earthing switch There is mechanical interlocking between the two switches Move the interlock selector the left side the earthing switch aperture will be exposed Move the interlock selector to the right side the load break switch aperture will be exposed Interlock lever There is mechanical interlocking between the earthing switch and cable compartment door
27. iliary contacts for disconnector position 5NO 3NC Auxiliary contacts for earthing position SNO 3NC Main busbar left right out cone bushing Castell or Fortress key interlock 13 Basic Functional Module Units T KO O a 5 O 5 O C LL Q v O co 14 Basic Functional Module U Bus Tie Unit I Unit 3 7 IL Type Bus Tie Unit Technical Data nits Load break switch SecoLBS K 36 Rated voltage 36kV Rated frequency 50Hz Rated power To earth phase to phase 70kV frequency withstand M At A a A oo r A voltage 1min Across isolating distance 80kV Rated lightning impulse withstand voltage E putem E nae Across isolating distance Rated closed loop breaking current UE E SS ne ud EPROM y Rated earth fault breaking current Rated cable and line charging breaking current under earth fault conditions Rated short circuit making current peak Rated short time withstand current and endurance time Mechanical endurance Earthing Switch Rated voltage ao tt Rated short circuit making current peak Rated short time withstand current and endurance time Mechanical endurance 195kV 5000 times SecoES 36 20kA 3s ILAR Dimensions Width 600mm Depth 920mm Height 1950mm Weight 400kg IR Type Bus Tie Unit Function Connect or disconnect two main busbar sections realizing busbar coupling or sectionalizing Easy maintenance by
28. irectional Negative sequence overcurrent ANSI IAC IEC flex curves Cable Thermal Model protection Breaker failure Cold load pick up Four shot auto reclose 8 digital inputs 7 contact outputs Two setting groups Metering amp monitoring Event Recorder 256 events with 1ms time stamping Oscillography with 32 samples per cycle and digital states IRIG B clock synchronization Relay amp Asset Health Diagnostics Security audit trail User interface and programming 4x20 character LCD display Control panel with 12 LED indicators Front USB and rear serial Ethernet and Fiber ports Multiple protocols IEC 61850 amp 61850 GOOSE ModBus TM RTU ModBus TM TCP IP DNP 3 0 IEC 60870 5 104 IEC 60870 5 103 EnerVista TM software An industry leading suite of software tools that simplifies every aspect of working with Multilin devices Document and software archiving toolset to ensure reference material and device utilities are up to date Overview The Multilin 3 Series of protection relays are highly functional economical protection relays for feeders motors and transformers By providing an economical system for protection control monitoring and metering and with both local and remote user interfaces in one assembly the Multilin 3 Series relays effectively eliminate the need for expensive discrete components The Multilin 3 Series provides detailed di
29. its Cable Lifting Unit with Earthing Switch Re Unit Re Dimensions Width 440mm Depth 920mm Height 1950mm Weight 250kg Technical Data Cable Lifting Unit with Earthing Switch Rated voltage Rated frequency 36kV 50Hz Rated power frequency withstand voltage 1min 70kV Rated lightning impulse withstand voltage 170kV Rated short time withstand current and endurance time 20kA 3s 52kA Rated short circuit making current peak 2000 times Mechanical endurance Function Used for connecting with incoming outgoing cables and earthing main busbar Standard configuration SecoES 36 type of earthing switch Manual operating mechanisms for the earthing switch Potential indicator SF gas pressure meter Interlocking between the earthing switch and the cable compartment door Main busbar feeder busbar earthing bar Cable bushings horizontal in front Operating handle Optional Features Cancel earthing switch Ring CT LV compartment Cable terminals Surge Arrester Short circuit and earth fault indicator Auxiliary contacts for earthing position 2NO 2NC SecoRMU Configuration SecoRMU Configuration sii ARTS
30. l Directional Overcurrent EVENT RECORDER 79 Autoreclose 5 3 81U Underfrequency 810 Overfrequency 350 RELAY CLP Cold Load Pickup Latched Lockout available as a standard feature LOAD 28 Tools and Accessories Busbar Connector Ring main units are joined together by plug in busbar connectors The modular nature of the panel ensures ease of installation and extension without the need for extra gas handling activities on site With the busbar connector SecoRMU realizes no clearance connection Busbar Extension Bushing preventing people from touching the high The inner cone busbar extension bushing voltage live parts is a gas tight component assembled on the gas tank for electrical connection A white plastic protection cover will be on the bushing during transportation and storage Inner cone bushing can be used for busbar connection and testing adapter connection End Plug Used for sealing the side panel of a line up Keep the switchgear for future extension Cable Bushing Outer cone bushing are used for cable terminal connection A black plastic protection cover will be on the bushing during transportation and storage An integrated sensor inside the cable bushing provides a voltage signal to the potential indicator The indicator can display whether the cable is live or not The out cone cable bushing comply to standard DIN 47636 and EN 50181 29 SecoRMU Configuration SecoRMU Confi
31. n 27 SecoRMU Configuration Enhanced diagnostics Preventative maintenance The Multilin 3 Series allows users to track relay exposure to extreme environmental conditions by monitoring and alarming at high temperatures This data allows users to proactively schedule regular maintenance work and upgrading activities All relays utilize EnerVistaTM setup software for communication monitoring and metering Actual values setpoints status trending and waveform capture information can all be viewed via the software and can be used for troubleshooting User Interface EnerVista Launchpad EnerVista Launchpad is a complete set of powerful device setup and configuration tools that is included in the SR relays at no extra charge Set up the Multilin 3 Series Relays and any other Multilin device in minutes Retrieve and view oscillography and event data at the click of a button Build an instant archive on any of the latest Multilin manuals service advisories application notes specifications or firmware for your SR Relay Automatic document and software version updates via the internet and detailed e mail notification of new releases SETPOINT GROUP 1 2 Security Security audit trail The Multilin 3 Series monitors security and reliability of asset protection The Multilin 3 Series protection devices offer complete traceability of any relay setting and command changes allowing the use
32. nsformer rating 36kV max 63A fuse links Two position load break puffer switch and separate upstream earting switch mechanically linked with downstream earthing switch Manual operating mechanisms with two separate operating shafts for load break function and earthing function Fuse holder for DIN type fuse links Only accessible when earthing switch is closed Fuse tripping arrangement Switch position indication for load break switch and earthing switch Fuse trip indication Potential indicator SF gas pressure meter Interlocking between the earthing switch and the cable compartment door Main busbar feeder busbar earthing bar Cable bushings horizontal in front Operating handle Optional Features Motorized operating mechanism of Load Break switch Opening coil Ring CT LV compartment Cable terminals Surge Arrester Short circuit and earth fault indicator Auxiliary contacts for load break switch position 3NO 3NC Auxiliary contacts for earthing position 2NO 2NC Auxiliary contacts for fuse blown 1NO Main busbar left right out cone bushing Castell or Fortress key interlock Vacuum Circuit Breaker Unit V Unit Ih Technical Data Vacuum Circuit Breaker Rated voltage Rated lightning impulse withstand voltage Rated current Rated short circuit breaking current Rated short circuit making current peak Rated short time withstand c
33. on process ensuring less than 0 1 annual leakage rate Very low maintenance and operation cost resulting in a lower total cost of ownership Modular design Extendable and Combine Freely The basic functional modules being the load break switch panel switch fuse panel and circuit breaker panel have uniform width 440mm Convenient for system design flexible replacement and upgrading Each unit can be extended to the left or right Ta Joined together by plug in busbar connectors and the modular nature of the panel ensure ease of installation and extension without the need for extra gas handling activities on site The big cable compartment also ensures a convenient cable installation and connection Environmental Health and Safety of Materials GE has strict process to ensure regulations for the environment health and safety of materials used during product design and manufacturing are observed Only re usable and or recyclable materials are used in producing SecoRMU switchgear It reflects GE s commitment to environmental challenges while delivering valuable products and services to the customer 36kV Gas Insulated Ring Main Unit 36kV Gas Insulated Ring Main Unit 08 Standards 36kV SecoRMU is manufactured and tested in accordance with the latest version of IEC 60282 1 High Voltage Fuses Part 1 Current limiting fuses ps 60265 mem oma o TE B m 1 w 52 w NE pe 6037
34. onnect or disconnect the incoming outgoing cable with the Width 440mm main busbar Depth 920mm Earthed three phase cables Height 1950mm Making short circuit current Weight 300kg Standard configuration Two position load break puffer switch and separate earthing switch Manual operating mechanisms with two separate operating shafts for load break function and earthing function A Switch position indication for load break switch and earthing switch Potential indicator SF gas pressure meter Technical Data interlocking between the earthing switch and the cable Load break switch SecoLBS K 36 compartment door Rated voltage Z6kV Main busbar feeder busbar earthing bar Rated frequency 50 Cable bushings horizontal in front Rated power frequency To earth phase to phase 70kV Operating handle 1min Across isolating distance 80kV a lt E PA NA A soda A PM Paa Across isolating distance 195kV No earthing switch Rated active load breaking current 630A Ring CT Rated closed loop breaking current 630A LV compartment 5 rated active load breaking current 31 5A O Cable terminals Rated cable charging breaking current 50A Basic Functional Module Units Rated earth fault breaking current Es goce penne coa zie S 3 aa CC ee ee earth fault conditions O Auxiliary contacts for load break switch position 3NO 3NC Rated short time withstand current and endurance time 2
35. or All the high voltage live parts are fully sealed in the gas tank and free from environmental impacts Therefore SecoRMU is suitable for use under severe operating conditions with the primary live parts remaining maintenance free Panel connected together without any clearance between them which protects the switchgear against the harmful effects of dust water solid foreign objects etc realize high reliability Successfully proven by 500 hour salt fog test suitable for highly corrosive environments SecoRMU is equipped with reliable mechanical and electrical interlocking system Castell and Fortress key interlocking solutions are also available guarantees safety of personnel safety of equipment and continuity of operation Compact Design An optimized electric field design combined with excellent insulating performance results in a compact switchgear product that operates safely and reliably Existing switchgear rooms can be used more effectively Suits application in very compact areas ss MV Switchgear Very Low Malntenance Heat loss I R is mainly caused by circuit resistance The main circuit resistance of SecoRMU is small resulting in low heat losses and less thermal stress on the equipment The 3mm thick stainless steel gas tank is manufactured by laser cutting and laser welding process lts sealing is systematically checked by automatic helium leakage detecti
36. ou ms sou mo 2 2 3 2 3 2 Load Break Switch Aux Node 89L M4 89T M10 89T M11 2 89L M3 89L M3 R U NP W e Earthing Switch Aux Node XB2018 XB20 10 XB20112 XB20114 XB20 116 xB20117 XB20119 XB20120 xB20122 XB20123 XB20 25 XB20 26 Fuse Aux Node E XB20 2 w Remark The initial status of this diagram shows LBS and earth circuit opened za O Symbol Description Ouantity Note KM1 Contactor Grn dom A DZE E NIME a PEE me Pelr i 5 M IEEE Wa d Mee c ei mm eo T ji EM a mes euer w AA a CM e pes a am E m ere na essa i A NO EEE PRACE NP a TZN m E e c aa E a m lt 2 T d me A gt M E en Operating Handle Interlock Wio UE Uum o E e CA e SecoRMU Applications 41 SecoRMU Control Circuit Schematic Drawing V Panel Power Suppl Era PES MCB Rectifier Charging circuit Closing circuit Anti tripping Opening circuit Charging VCB aux contact EDS aux contact ES aux AC220V circuit aux contact contact XB18 XB19 TT remote control MT remote control L to close 3 LY jto open xB1 10 x8111 Local 21 Local 9 3 Local 5 Local 7 XB118 XB120 XB122 XB124 XB126 XB128 XB130 XB132 XB134 XB136 XB138 XB140 XB142 Remote JAR R Remot emote 2Remoteg y emote yg Remote 8 Jxl3 IX 40 Jj wlas JK i5 J nz Jxno JX121 Jxj3 JKI25 3 9 3 1 1 CKT DL DL DL DL DL DL DL M37 M5 M7 M6 M19
37. r to quickly identify changes made to the relay These indicators are continuously on if the corresponding group provides settings for protection elements TRIP The indicator turns on when the relay detects a trip condition Operates the trip relay to open the breaker ALARM While the relay detects an alarm condition the indicator flashes PICKUP Indicator lights steady when any protection feature pickup threshold exceeded DISPLAY 4 line text for easy viewing of key data LEDs 10 LED indicators for quick diagnostics KEYPAD Ten button keypad for access to device interrogation and change of settings FRONT PORT An electrically isolated front USB communication port ANSI Device Numbers amp Functions Device Number Function 27P Phase Undervoltage 27X Auxiliary Undervoltage BUS WE 49 Thermal Model 50P Phase Instantaneous Overcurrent 50N Neutral Instantaneous Overcurrent v 50G Ground Sensitive Ground 27P SOP 27K 59X 59 Instantaneous Overcurrent TRIP CLOSE 1 1 1 1 1 50BF Breaker Failure MONITORING 50_2 Negative Sequence Overcurrent 51P Phase Timed Overcurrent 51G Ground Timed Overcurrent oo METERING 51N Neutral Timed Overcurrent 59P Phase Overvoltage Auxiliary Overvoltage Neutral Overvoltage Negative Sequence Overvoltage 59 59N 59 2 676 Ground Directional Overcurrent QQ TRANSIENT RECORDER 67N Neutra
38. rload 25 C lt lt 40 C Rated voltage Transformer Output Fuse link rated current Rated breaking current kV KVA A kA 56 100 4 6 5 40 30 008 13 6 3 SIBA article number Does 10 MQ S00081510 16 40 30008 15 16 16 40 30 008 13 16 sS 99 LL O O 90008 13 80 A EM e A A A Dot mika Th 73 36 6350 4 O 40 30016 13 515 5 6 6 2 dci 315 40 3001615515 36 1000 40 40 30 016 13 40 A 50 NE RA A E EN 36 1600 6 63 40 30 024 13 63 Note Table above is based on SIBA type fuses If other brand fuse is required please contact GE in advance 25 SecoRMU Configuration 26 Measurement Protection and Control For more information visit our website http www gedigitalenergy com multilin catalog 3Series htm Key benefits Easy to use and cost effective protection and control for feeders motors and transformers Effortless draw out construction eliminates requirements for test switches and reduces downtime Environmental monitoring system to alarm on destructive operating conditions to enable preventative maintenance Easy to use interface and set up in one simple step Accelerated Life Cycle Tested to ensure reliability of relay operation under abnormal conditions Advanced power system diagnostics to increase reliability through fault and disturbance recording capabilities Arc Flash mi
39. switching substation from condensating Wimm Dimm 2 way 1500 1400 m e Canned an Sa EE A MEE RHET MN A P gt A i A Note No LV compartment 1 Panels should be installed and combination before moving into the outdoor enclosure 2 Other dimension request please contact GE Height with 200mm LV compartment with 500mm LV compartment 2800 SecoRMU Dimensions K Panel 10 920 102 1 Gas pressure meter 2 Mechanism compartment cover 3 LBS ES operating mechanism 4 Cable compartment cover 5 HV cable 6 Top cover 7 Inner cone bushing for main busbar 8 Gas tank 9 Pressure relief valve of gas tank 10 Enclosure 1950 440 SecoRMU Applications 353 U O O gt Q lt gt ac O O D UD 34 SecoRMU Dimensions T Panel i LEN gt m gt i
40. ted insulating canister plays an important role in protecting up to 2000kVA transformer When short circuit happens the striker pin can activate the mechanism of the LBS The LBS will trip immediately and the current is broken by the fuse The downstream earthing switch which has connection with the main earthing switch makes the feeder side of the T panel earthed reliably When carry out earthing operation the downstream earthing switch will be operated aligned with the main earthing switch to ensure both sides of the fuse are earthed reliably So that operator can carry out fuse replacement and installation in safety Busbar extension bushing Gas tank Load break switch Operating mechanism Pressure relief device Pressure relief channel Cable bushing Pressure relief flap Vacuum Circuit Breaker Unit The vacuum circuit breaker unit has 5 vacuum bottles for extinguishing short circuit current Q The vacuum circuit breaker is equipped by a modularized spring charging mechanism which can be operated manually or electrically Thanks to the optimized design fewer components are used and high reliability is realized The moving contact of the three position switch achieves 5 stable positions makes natural interlocking The mechanical interlock is provided to make it impossible to operate the 3p switch when the circuit breaker is in the closed position Cable compartment The cable
41. tigation via zone intertripping flex curves and multiple setting groups Applications Advanced protection monitoring amp control relays for feeders Multilin 350 motors Multilin 339 and transformers Multilin 345 Industrial feeders with enhanced breaker monitoring and diagnostics Multilin 3 Series Intuitive industrial and utility protective relay systems for feeders motors and transformers Application flexibility with the use of programmable logic elements Large backlit display with 40 characters for easy viewing of relay information and settings Flexible communications with multiple ports amp protocols to allow seamless integration into new and existing infrastructure Easy access to information via multiple communication network options including USB Serial Fiber amp Copper Ethernet Reduced wiring with support for remote 1 0 Reduced setup and configuration time with the Simplified Motor Setup screen Powerful Security Audit Trail tool to increase security and minimize system risks by tracking setting changes Distribution utility downstream breaker protection Medium voltage utility feeders with advanced control features including cold load pickup auto reclose and multiple setting groups Features Protection amp control for Multilin 350 Feeder Protection System Phase neutral and ground TOC and IOC Undervoltage overvoltage frequency Neutral ground d
42. ue 2011 Best Global Brand FINANCIAL TIMES 2008 World s Most Respected Companies 36kV New Compact Gas Insulated Ring Main Unit Leading the future of electrification miaa MN sr mia TR ZA a 6 AA tl er d ie S ZPW 5 LIC E rm I TRS ASC s y T Y DE EJ SE m TA C Sa gt w WA Em aoi cia KE Y Contents General Introduction About GE GE Industrial Solutions 36kV Gas Insulated Ring Main Unit kowe YA WARAKA E B o AIBU MENA B ER RRA B Bs AA Bs A T Basic Functional Module Units Load Break Switch Unit US Dit eee eem sacas 11 Switch Fuse Combination Unit T Unit 68 12 Vacuum Circuit Breaker Unit V Unit cesse 13 Bus Tieni ll Ufer ee edad es diode esa RR sac 14 Cable Lifting Unit C Unit e e teeter eee eee 15 Cable Lifting Unit with Earthing Switch Re Unit 222222 16 SecoRMU Configuration SecoRMU Configuration Rd NUS use se dot ce eue 18 Transformer Protection by Switch Fuse Combination 25 Measurement Protection and Control 26 Tools and Accessorie Ga a Er EEG URN EE o d dore Wd RE 29 SecoRMU Applications SecoRMU Applications Bad Go due 2 be ae LUE Se ITE 32 SecoRMU Dimensions RE WG co EE M E Sr 33 SecoRMU Control Circuit Schematic Drawing 40 SecoRMU Installation Foundation iii 43 36kV Gas Insulated Ring Main Unit 02 A S CORMU 36kV New Compact Gas Insulated Ring Main Unit Applications There are many advant
43. uipment are widely used in IEC market The purpose is to prohibit incorrect operation and bring users the following benefits key interlocking systems guarantee Safety of personnel Safety of equipment Sequence of operation SecoRMU can achieve the following applications by use of Castell or Fortress SecoRMU Configuration 23 SecoRMU Configuration 24 SecoRMU Configuration Pressure Relief System Arc Relief Device Each gas tank of SecoRMU is equipped with a pressure relief device If an internal arc fault occurs and the actual pressure exceeds its designed relief pressure the pressure relief device will open allowing the pressurized gas flow through to the pressure relief passage to release the pressure thus ensures the safety of the equipment and personnel Classification according to IEC622 71 200 IAC AFLR 20kA 1s gt evacuation of the SF gas after internal arc happens Internal arc happens in the gas tank 1 Internal arc happens in the cable compartment 2 NOTICE Minimum dimension of the cable trench Width 440mm Depth 500 mm Height 500 mm 100mm mini 5 a a a 5 o u rad k9 Sh o WWOOS 500mm 100mm mini c o
44. urrent and endurance time Mechanical endurance Operating Sequence Three position switch Rated voltage Rated lightning impulse withstand voltage Rated peak withstand current Rated short time withstand current and endurance time Mechanical endurance im i Dimensions width 440mm Depth 920mm Height 1950mm Weight 350kg SecoVac R 36 36kV Rated power frequency ee a m a MEM 10000 times O 0 5s CO 180s CO O 0 5s CO 15s CO IST 56 50kA 2000 times Function Used for circuit protection motor protection and transformer protection Standard configuration SecoVac R 36 vacuum circuit breaker IST 36 three position switch Motorized operating mechanism for the vacuum circuit breaker Interlocking between the VCB and the 3p switch Interlocking between the earthing switch and the cable compartment door Switch position indication for vacuum circuit breaker disconnector and earthing switch Potential indicator SF gas pressure meter Main busbar feeder busbar earthing bar Cable bushings horizontal in front Operating handle Optional Features Cancel earthing switch of the 3p switch Self powered relay WIC1 with CT Trip coil for relay tripping Undervoltage release LV compartment Cable terminals Surge Arrester Short circuit and earth fault indicator Auxiliary contacts for vacuum circuit breaker position SNO 6NC Aux
45. uxiliary circuit 1 min power frequency withstand voltage of auxiliary circuit Load Break Switch Unit 36 70 630 52 20 3 52 630 630 Switch Fuse Combination Unit 36 50 Limit by fuse 315 82 Vacuum Circuit Breaker Unit 36 630 630A for main l busbar 630 31 5 50 150 86 m IP67 1P4X 004 0 03 002 AFLR 20kA 1s SFe lt lt 0 19 Y 0 04 0 03 0 02 24 48 110 220 DC 110 230 240 AC 3000 2000 IP67 l PAX AFLR 20kA 1s 50 10000 2000 0 02 1P67 PAK 0 04 0 03 36kV Gas Insulated Ring Main Unit 09 10 Basic Functional Module Units Load Break Switch Unit K Unit 11 Switch Fuse Combination Unit T Unit 12 Vacuum Circuit Breaker Unit V Unit 13 BUS Tie Umt t IDE cesar ORA OOOO 14 Cable Lifting Unit C Unit 15 Cable Lifting Unit with Earthing Switch Re Unit 16 6 S CORMU 3 o PZ E oggmg ayy 2 82 EE 83 6 LI T e Bn D t3 om E EK l 7B a jo e si o o o o o 3 o 9 o 8 o Le Bs o Basic Functional Module Units Load Break Switch Unit K Unit K Function Dimensions C
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