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1. Design by F Becheret 3 88 Sir Speedy Printing Center MERLIN GERIN Fluarc FG1 3 to 15 kV fixed FG1 withdrawable FG1 mastering electrical power description presentation The Fluarc FG1 type three pole circuit breakers are designed for control and protection of medium voltage public distribution and industrial networks These circuit breakers use sulphur hexafluoride SF6 for insulation and breaking They are made up of three pole units and an operating mechanism The insulating enclosure housing the active parts of these pole units is filled with SF6 gas at a relative pressure of 2 5 bars It is of the sealed pressure system type according to the IEC 56 definition appendix EE 1987 edition Their main qualities are as follows m long life expectancy m no maintenance of active parts m high electrical endurance m very low surge level m Operating safety m insensitivity to the environment m possibility of permanent circuit breaker state control optional pressure switch m well suited to high speed reclosing and capacitor bank control ratings to IEC 56 VDE 0670 BS 5311 UTE C 64 100 101 i hak A EA 20 LT ri characteristics The characteristics given below are as defined by the IEC regulations publication 56 and 694 UTE volume C 64 100 101 VDE 0670 and BS 5311 Rated frequency 50 60 Hz Operating times at rated voltage indicative values m openi2. IEC ANS a cp ee ra tates LJ installation and application characteristics FIXCGUNIt ext go a ea Fe Se A SPA E ANY Withdrawable unit MG Fluair eqt other equipment Merin Gerin incomplete panel basic housing compartment separate form TOIDE MINE cs Cette Sak ated ol ae Biel ta et tude Seth ett ed ee eet ae LJ Outdoor installation DFE 0 0 00 0 eee LJ Manual operating mechanism 0 00000 ce cece ee tees O Electrical operating mechanism 2 0 0 0 eee eee eee Common auxiliary devices fixed and withdrawable units Charging motor M IV DC or AG EA I Hz Closing release YF l J V DC or LJ MAC LE J Hz Opening release shunt trip release ____J V L Dc or AL i Hz Other opening releases ananuna anune T NN Common options see page 3 9 additional auxiliary contacts with manually charged mechanisms Open position breaker locking facility lock not included 7 Lock for above locking device Ronis ELS 11A 5 A 0 0 0 0 Pressure switch SP 0 0 0 0 0 00 0 Rp ee STATIMAX system with MITOP a D ee Operating mechanisms charged indication COntact M3 LJ O C green red mech indicator instead ofggreerwhite LJ Options for fixed unit
3. 0 FG1 pole cross section upper current terminal absorbent material insulating enclosure attachment solenoid fixed main contact fixed arcing contact upper arcing ring lower arcing ring moving main contact moving arcing contact insulating rod shaft with sealing device lower current terminal breaking principle Rotation of the arc between the circular arcing contacts is caused by an intense electromagnetic field This field is produced by a solenoid through which the current to be interrupted flows at the moment of opening rated voltage rated insulation level sym 1 C continuous closing maximum range impulse Amn at rated ampere and latching voltage factor K 1 2 50us 60 Fiz voltage rating capability 15 5kV 1 110kVcrest 50kV 20kA 600 1200A 54kA crest indoor Fluarc FG1 500 13 8kV 500MVA class rated voltage rated insulation level sym 1 C continuous short time closing range factor impulse 4 mn atrated ampere rating and latching K 1 2 50 us 60 Hiz maxkV rating 3 sec capability 1 3 95kVcrest 36kV 18kA 600 1200A 23kA 37kArms dimensions inches top view front view side view approx weight 265 pounds MERLIN GERIN INC Suite 150 5000 Highlands Parkway Smyrna Georgia 30082 Tel 404 432 2744 Telex 544018 Fax 404 432 9179 FG1 US 288 As standards specifications and designs changefromtimeto Mies time please ask for confirmation of the information given ir this publication
4. 0 Rs 180 108 Weight 140 kg removable charging lever LV connector guide rail removable 3 position racking lever aoogw pe 626 FG1 pole unit pole unit description Each pole unit consists of m a main circuit including the fixed contact 6 and the self wiping self compensated blades making up the moving contact 10 m a breaking circuit including the fixed arcing contact 7 moving arcing contact two fixed arcing rings upper 8 and lower 9 An arc quenching coil 5 is in series in this circuit m the main circuit designed for the continuous flow of the current is distinct from the breaking circuit subjected to the arc m a transmission mechanism conveying the mechanical energy to the moving contacts including the shaft 13 which activates the rods 12 and 14 An insulating enclosure 3 encloses all active parts It is provided with a sealing system highly reliable for any number of operations The filling pressure and breaker performance characteristics are maintained for at least 20 years corresponding to the operating life of a circuit breaker on a normally disturbed network operation The FG1 circuit breaker is a magnetic unit which uses the arc rotating technique to interrupt the current m At the beginning of the opening operation the main contacts and the arcing contacts are closed fig 1 m The main circuit is disconnected by separation of the tilting blades 10 and the curre
5. MERLIN GERIN Fluarc FG1 application Substation up to 15 5kV Metalclad up to 13 8kV Retrofit up to 17 5kV description FG1 circuit breakers are applied for switching and protection on medium voltage networks FG1 breakers are using rotating arch technology with SF6 medium for insulation and breaking Three segregated phases are encapsulated into a single epoxy bottle Pressure of inside SF6 gas is 2 5 bars relative pressure FG1 bottle is a sealed for life pressure system main features a extremely compact for reduced space and easy adaptation to switchgear a low maintenance a because of sealed bottle breaker is not affected by hostile environments a soft interruption reduces transient over voltages due to restrikes prestrikes a option pressure switch allows permanent check of dielectric breaking medium a ideal for capacitor bank switching comes in fixed version as standard drawout on request mastering electrical power MERLIN GERIN sulfur hexafluoride gas properties SF6 is an uninflammable colorless odorless non toxic gas five times heavier than air Its dielectric strength is much higher than air at atmospheric pressure Thanks to SF6 gas qualities and to rotating arc principles a when switching motors and tranformers overvoltages are very low no successive prestrikes restrikes a excellent capability for capacitor switching ANSI ratings C 37 06 outdoor Fluarc FG1 15 2
6. contact pressure switch SP Ww VA for indication of possible pressure drop Consumptions at rated U single coil shunt 70 100 m a STATIMAX protection device without charging closing undervoltage 15 75 auxiliary power supply with MITOP release motor release single coil overcurrent 120 m operating mechanism charged in D C 120 to 250 W 70 W in A C 180 to 350 VA 100 VA Opening Manual opening by mechanical action via a pushbutton on the front panel Electrical opening via indirect releases Several types of indirect releases can be fitted The 17 possible combinations are set out in the table opposite Electrical operating mechanism wiring diagram Dl Self curr nt MITOP 1 VA AAAS Mi j M3 oul se e YM YX1 LJ Lmg Mitoni YF YO YD YX2 Q Q Q Q O Q Q Always supplied Options M spring charging motor Y01 Y02 YF closing release YM M1 M2 end of charging switch YX QF auxiliary contacts YD KN anti pumping relay M3 shunt trip release undervoltage release overcurrent release MITOP release operating mechanism charged indication contact indication contact M3 m green red O C indicator instead of standard green white 1 Withdrawable circuit breaker with undervoltage release always has automatic discharging of the operating mechanism 2 Overcurrent release power supply 2 A 5A 3 The MITOP release includes a low consumption bi stable electromagnet designed to receive a low po
7. e opened before going isolation indication into position 2 The unit is equipped with h ae position 3 m the operating mechanism and auxiliary the lever unlocks the system and allows devices mentioned on page 3 withdrawal of the breaker from the cubicle m a frame earthing contact It also provides a stop motion action when m a guide rail at the bottom c the breaker is presented into the cubicle m a mechanical system to secure the breaker in service or disconnected Options for withdrawable unit position m a female 36 pin LV connector with a The circuit breaker is operated by a 2 m conductor removable racking lever d on the front m automatic discharging of the operating plate which can be set in 3 positions mechanism beyond the test or L position 1 disconnected position see note 1 Circuit breaker set in service or test page 3 position or disconnected outside of m racking lock out system preventing cubicle For circuit breaker operating breaker insertion if the LV cabl isnot PE AE opening closing the lever must be set in connected a cupicres position 1 m auxiliary contact indicatifigethe breaker is secured in service position SQ m drawn in out interlocking keylock or padlock dimensions and weights 630 1250 A 266 H 44 394 withdrawable FG1 front view ei withdrawal travel 108 18
8. ectrical operating mechanism 3 a1 coil m 1 coil C 1 usedgfor the opening shunt trip release These two systems comprise 4 mi coil m 2 coil 3 contactsyremain available for customer s m an operations counter 5 use z f m a position indicator ON OFF m 14 auxiliaty contacts if electrically The springs are charged electrically or 6 m m 1 coil operated manually by a removable lever in front in 7 a m 2 coil 2eused for the electrical operating the event of auxiliary power failure The 8 m1 coil mechanism l l electrical spring charging system includes 1 used for the opening shunt trip release a motor M automatically recharging the 9 m2coil CF contacts remain available for operating mechanism as soon as the 10 m 2 coil Customer s use breaker is closed recharging time 11 m2coil m Characteristics of auxiliary contacts lt ee 12 m2 coil m1 coil Rated current 10 A Rated supply voltages 13 Breaking capacity D C 24 48 60 110 125 220 V 14 m coil Gin D C 3 A at 110 V or 220 V AG 110 127 220 V gt in A C at 0 3 pf 10 A at 220 V aii 15 mi col s Options Closing 16 m2 coil n a 9 additional auxiliary contacts with Manual closing by mechanical action via a 17 m 2 Coil m manually charged mechanisms pushbutton on the front panel m open position locking facility by Ronis Electrical closing by a closing release YF Consumptions at rated U ELS 11A key lock lock not supplied and anti pumping relay KN release type DC AC E a closing
9. ing safety The Fluarc operates at low pressure with a relative pressure of 2 5 bars A slight pressure rise occurs between the arcing rings only during the arcing period insensitivity to external conditions The Fluarc pole unit provides a completely insulated system Its is a hermetically sealed enclosure filled with SF6 gas in which are housed the following essential parts m the breaking chamber m the insulating rod which activates the moving contacts m the electrical connection between the moving contact and the corresponding fixed terminal The Fluarc pole unit is therefore a Gaseous Insulated System G LS order form for Fluarc FG1 circuit breakers Name Of iProjeCt naren desni iad apeta gene aha aA a bee teen Asa abe a8 date Name of client cieee supe asad sub a a e oe elec ad wp ag ound Meeker gen ate Ales gwen ee order no Language for user manual 0 0 a aaa IENS aee teen eee eae QtyL A 4 network characteristics Requested service voltage 0 nananana raaa kV Short circuit current at requested service voltage kA Rated operating current 0 20 0 00 cc eee eee eee j A Frequency eia haraa Mok hele ant E T aE Hz Insulation level m Power frequency 1 MN 2 0 00 ce eee ee J kV m Impulse 1 2 50uS upas p ea p ada tees kV Operating sequence m standard O 3mn CO 3mn Co mon request O 03s CO 15s CO Standards
10. low wear of the active parts which require no maintenance m the excellent enclosure sealing These units need no complementary filling Mechanical endurances The operating energy is reduced by using the natural expansion of the hotygases during breaking The operating mechanism is the standard GMh type and benefits frofMpover 20 years of experience The Fluarc circuit breakeris able to carry out 10 000 operations without any parts being replaced The periodic lubrication of the operating mechanism is recommended and depends on the environment andoperation Electrical endurance The longdife of the Fl arc is due to the negligible degeneration of the gas and to the low wear of the contacts The energy dissipated in the arc is low due to m th intrinsic properties of the gas m the shorttarc length m the Wery short arcing time Wear ofithe arcing contacts can be checked without opening the poles by means of a wear indicator The unit is capable of breaking all load and short circuit currents for a period of 20 years even in the case of frequent operation and requires no maintenance of the active parts Low switching surges The intrinsic properties of the gas and the soft break resulting from this technology means that the switching surges are very low Concerning motor start up the unit provokes no multiple preignitions nor multiple reignitions which could damage the insulation between coil turns Operat
11. ng index capability 2 7 times rated short circuit current Ks peak Fluarc indoor_circuit breaker rated voltage kV U maxi U mini Mini factor K Maxi kV 4 Foninstallation in cubicles the dielectric withstand is the fespOnsibility of the cubicle designer Merlin Gerin can Provide recommandations upon specific request When the circuit breaker is supplied separately in either the fixed or draw out version the insulation level rating is 75 kV peak 2 The making capacity corresponds to 2 5 times the breaking capacity at rated voltage IAN AE ANLA da rated insulation level Isc impulse 1 1 mn 1 2 50 ps 60 Hz kV peak A E S C C a breaking capacity rated kV mini kV maxi continuous withstand 3 second closing and latching index capability 1 6 Isc U mini current kA rms kA rms operating mechanism and auxiliary devices operating mechanism Release type auxiliary devices The Fluarc circuit breaker is equipped with n shunt under over Mitop Auxiliary contacts a GMh type spring stored energy operating trip voltage 1 current 3 Fluarc FG1 incorporates mechanism for fast opening and closing 1 1 coil m 5 auxiliary contacts if manually independent of operator action 2 micol u operated It is equipped with either a manual or an 1 used forthe closing release el
12. ng time between application of voltage to the opening device and arc contact separation 45 to 65 ms m breaking time between application of voltage to the opening device and final arc extinction 60 to 80 ms m closing time between application of voltage to the closing device and contact closing 60 to 90 ms Rated operating sequence standard O 3 mn CO 3 mn CO on request O 0 3 s CO 15 s CO 1 fixed FG1 withdrawable FG1 1 Three pole enclosure 2 Auxiliaries LV connector 3 Operating mechanism 4 Racking lever rated rated insulation level rated breaking capacity rated making 3 second capacitor breaking index voltage impulse 1 1 mn at U kV continuous capacity withstand capacity for a rated 1 2 50 ps 50 60 Hz current 2 current current of A kV kV peak kV rms kA Arms kA peak kArms 630 A 1250 A 7 2 60 20 kV 3 to 7 2 20 630 1250 50 20 440 875 a 29 73 25 3 440 875 b M 12 75 28 Kvy7 2tomo T 12 20 20 20 630 1250 50 20 440 875 c 7 29 26 2 25 73 66 63 25 3 440 875 d 15 95 38 KV 13 8fto 15 20 630 1250 50 20 440 875 e ratings to US standards ANSI C37 06 outdoor DFE Fluarc fixed circuit breaker rated insulation level breaking rated voltage max voltage K factor impulse 1 U maxi _ amp S kV kV peak rated capacity continuous Isc current kA at N 60 Hz aed kV 3 second withstand current KA rms closing and latchi
13. nt flows via the arcing contacts which are still closed fig 2 m When the arc appears between the arcing contacts it is magnetically transferred between the arcing rings under the effect of the loop During its passage the arc inserts the ar quenching coil which produces a magnetic field dependent upon the currentgto be interrupted The arc is put into rapid sOtatiompundetthe effect of the original ele tromagneticsforce The arc is thus cooled by forced convection through the movement of this rotation Due to the phase shift between the current and the magnetic field this force continues to have a significant value at current zero fig 8 m Towards current zero the dielectric strength between the gt contacts is very rapidly rec6wereddue to the intrinsic qualities ORSFE6 fig 4 Fig 1 closed circuit breaker Fig 3 arcing time ONO A PWN UI upper current terminal adsorbent material insulating enclosure attachment arc quenching coil fixed main contact fixed arcing contact upper arcing ring lower arcing ring moving main arcing contacta tilting blade moving arcing contact insulating rod shaft with sealing device rod lower current terminal Fig 2 opened main contacts Fig 4 opened circuit breaker Fluarc technology Permanent control of the circuit breaker state Possibility of adding a pressure controlling device to the switchgear Advan
14. see pagep4 Male and female 36 pin LV connectorwith a 2 m conductor LJ Supporting frame RM ee Options for withdrawable unit see page 5 A female 36 pin LV connector with a 2m conductor Automatic discharging of the operating mechanism Racking lock out on LV connector 20 0000 e eee Breaker secured in position contact SQ 0 0 0 0 eee Drawn in out interlocking keylock or padlock 0 2008 Key for above int nlock 6 0 teas Special OrPMMIQMS lt ii na ei tte eet E E teens MERLIN GERIN As standards specifications and designs change from time to time please ask for confirmation of the 38050 Grenoble c dex information given in this publication France t l 76 57 60 60 anin me
15. tages of the Fluarc FG The Fluarc FG1 is a modern circuit sulphur hexafluoride gas SF6 properties SF6 is an uninflammable very stable non toxic gas five times heavier than air Its dielectric strength is much higher than that of air at atmospheric pressure breaking gas SF6 is the breaking gas combining the best properties a high capacity for carrying the heat produced by the arc The latter is strongly cooled by convection during the arcing period a high radial thermal conduction and high electron captation capacity When the current passes through zero the arc is extinguished by the combination of these two phenomena Li SF6 permits rapid heat exchange from the centre of the arc towards the exterior Q fluorine atoms which are highly electronegative act as veritable traps for electrons Since it is electrons which are mainly responsible for electric conduction inthe gas the gap between the contacts recovers its initial dielectric strength through this electron capture phenomenon at zero current m the decomposition of the SF6 molecule is reversible Theyssame mass of gas is therefore always available making the device Self sustained throughout its op rating life breaker making use of the rotating arc technique it offers ideal arc cooling by forced convection resulting in the following advantages Long life This quality results from m high product reliability m very
16. wer order from the Statimax protection system ensuring protection without the use of an auxiliary source see leaflet AC 42 GMh electrically charged operating mechanism 1 closing and opening release 2 latching unit 3 closing springs 4 frame 5 spring charging motor dimensions and weights fixed FG1 fixed unit Optional connection terminals P The fixed FG1 is furnished with the m a male and female LV 36 pin connection comprising a fixed connector on the circuit breaker and a socket equipped with a 2m conductor m supporting frame operating mechanism and the auxiliary devices mentioned in page 3 It is delivered for connection with busbars removable loading lever travel Weight 120 kg unit mounted on a support frame The support frame is fitted with rollers to make handling and installing the circuit breaker easy Anchoring to the ground is possible by means of fixing lugs provided on the frame The units mounted on a support frame may take two positions Frame weiaht 15 ka withdrawable FG1 description position 2 the lever unlocks the system and allows The withdrawable version of the Fluarc moving the breaker from the service FG1 circuit breaker is designed to facilitate position to the test position and installation and maintenance and to inversely f ensure upstream and downstream positive The breaker must b
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