HIGH VOLTAGE PHASE COMPARATORS
Contents
1. a front end which is in Fiberglass tubing Each pole has an Handle section At the junction between the handle section and the front end section there is a RED BAND which is the limit mark By definition this mark or the Red Band indicates the physical limit to which the poles of the Phase Comparators may be inserted between live components or may touch them 3 LABELS AND MARKING e The following labels must be present on the Master Pole e The following labels must be present on BOTH Poles 6 6kV 11kV 22kV 33kV 44kV IGER USE ON SYSTEMS UP TO DANGER USE ON SYSTEMS UP TO DANGER USE ON SYSTEMS UP TO DANGER USE ON SYSTEMS UP TO DANGER USE ON SYSTEMS UP TO 6 6kV ONLY AS PER INSTRUCTION MANUAL 11kV ONLY AS PER INSTRUCTION MANUAL 22kV ONLY AS PER INSTRUCTION MANUAL 33kV ONLY AS PER INSTRUCTION MANUAL _ 44kV ONLY AS PER INSTRUCTION MANUAL The Phase Comparator is designed Part Number to be used up to this voltage system only Voltage System for this Phase Comparator i Labels acture notto The Phase Comparator will he wsed inthe oto be used as valage teste ae selfexplanatory and are operate over the frequency tobe strictly Observed range 50 to 60 Hz Read and Understand the Instruction manual before The Ph C tor i sities E using the Phase Comparator designed for use on High Voltage Systems The Phase Comparator is suitable for use ei2. factory All models may be used indoor and outdoors in dry weather only PRINCIPLE OF OPERATION The PC range of Phase Comparators is a resistive devise which comprise mainly of resistors a neon and a panel meter The Phase Comparator draw current from the circuit or source under test The Phase Comparator consist of two inter connected poles the master pole with the panel meter and the slave pole The Master pole carries the panel meter with the color coded scale and the integral neon light indicator The color coded scale indicates in phase out of phase band on the scale Green in phase Red out of phase The Neon light lit up when the voltage between the poles is greater than 1 2kV 1 5kV If two energized conductors are out of phase and a contact electrode is touched onto each pole current will flow between the conductors through the resistors resistors are inside the fiberglass front end in each pole in the poles and the interconnecting lead cord This will cause the neon to lit and the panel meter s indicator to move into the out of phase area Red If two energized conductors are in phase and a contact electrode is touched onto each pole current will not flow between the conductors through the resistors in the poles and the interconnecting lead cord This should not cause the neon to lit and the panel meter s indicator to move The indicator will stay into the in phase area Green Ensure that voltage is present on
3. Contact Electrode po je E Indicator Housing SPlit Probe ain Master Stic Front End Master d Slave i Split Probe Contact electrode Slave Stick Red Band Limit Mark Insulating element Hand Grip Resistif element REPRESENTATION FOR EXPLANATION PURPOSE M S S S Master Stick N Slave Stick Interconnecting Lead 10 TESTING FOR PHASE PRESENCE Before doing the Phase Comparison test you must ensure that the feeders to be compared are live FEEDER 1 Example Preparing to FEEDER 2 Phase A Compare two Phases Phase A From different feeders Check that both phases to be compared are Live and have the Same amplitude Phase B Phase B Phase C Phase C To Check Phase Presence measure the Voltage between Phase and Earth The result will confirm that voltage Earth b is present and thatthe Earth I7 amplitude are the same yJ s s TESTING FOR PHASING No Indication Neon OFF does not lit IN PHASE FEEDER 1 FEEDER 2 S S Phase A Phase A 2 eee A u Phase nna cssseseessssssneenesssssnseccesnsssoneceeen Phase B a as Se ere eee ee te Phase C Indication Neon ON does lit OUT OF PHASE FEEDER 1 FEEDER 2 Phase A Ms S S Phase C Phase Bi nen PASE B Phase ior T Phase A Note that the links must be arranged so that the phases are Connected in Phase as indicated by the dotted lines Do Not Use Phasing Sticks u
4. USER S MANUAL for HIGH VOLTAGE PHASE COMPARATORS PC Series Double Poles TOP Tronic Hellermanniyton Model System Voltage Full Scale INDEX PAGE SAFETY RULES ee eee 1 GENERAL DESCRIPTION isscsaccicccetondetecendee 2 PRINCIPLE OF OPERATION 2 PROVING THE PHASE COMPARATORS 3 EINT MAR Po coos ce eeaticdteeate ce eeeterensnseheececeaes 3 LABELS AND MARKING 0 cesses 4 RANGE OF MODELS 5 INSTRUCTION FOR USE 6 OPERA HON crrisisopiarisnn inia ri SPECIFICATIONS wzrpciccrettasocccacticienccatencaccgiets 8 2 7 0 SS ee ee 9 DIRECTIONS FOR USE wcccdeccceteciccatecereresicececs 10 TESTING FOR PHASING PRESENCE 11 CARE AND MAINTENANCE 12 LIMITED WARRANTY 13 SAFETY RULES Only Personnel who are fully trained in the use of High Voltage Phase Comparators should use this equipment Be aware that the system that it will be used on are powered from high voltages which are lethal Before use ensure that the Phase Comparators and any accessories are clean free from cracks or deep scores and are properly secured together Only the proper rated Phase Comparators must be used Ensure that the Phase Comparator is properly rated for the voltage of the system under test Test the operation of the Phase Comparator before and after each test Do not allow any part of the Phase Comparator except the contact electrodes to come in contact with energized or earthed items Safe Working dist
5. ance must always be observed Safety insulated Gloves and protective clothing and glasses must be wear when using the Phase comparator The Phase Comparator must only be handled by one person only Do not insert the Phase Comparator beyond its limit mark into the apparatus under test The Limit mark is the red band The Phase Comparator should not be used as a synchronising Device or a voltage detector The Interconnecting lead cord must not be allowed to come within 100mm 10cm of the hand guard and must not be touched while testing Before using the Phase Comparator in the testing of factory assembled swtichgear the manufacturer of the switchgear must be consulted as the suitability of the Phase Comparator in such testing Always check for Phase Presence before testing between Phases Ensure that voltage is present on both phases before testing between phases The Phase Comparators are not to be subjected to a constant voltage for a period longer than 1 minute in every five minutes GENERAL DESCRIPTION The range of high Voltage Phase Comparators have been designed to comply and exceeds the requirements of VDE0681Part5 The Phase Comparators are double poles devices which are used to determine the correct Phase Relationship between two energized conductors of the Same nominal Voltage and Frequency Models are available to cover systems voltages from 1kV to 44kV 50 60Hz For other systems voltage please contact the
6. ator should move nearest the voltage measured Reverse the poles of the Phase Comparator and check that an out of phase indication is given They are no user serviceable parts on our range of Phase Comparators Should the Phase Comparator become damaged faulty or suspect in any form please consult with your nearest distributor to return it to the factory There must be galvanic contact between the test electrodes and the part of the installation under test and no other part of the phase Comparator except the electrodes should be in contact with energized or earthed parts in order to ensure accuracy of the display 6 OPERATION To determine the correct phase relationship between two energized conductors the following procedure should be followed First Check that each Phase to be compared is individually energized 1 With one handle held in each hand touch one bare conductor first phase which will be compared later with one contact electrode and touch the earth with the other contact electrode 2 The Neon will operate and the meter pointer will indicate the Red out of phase band indication which indicate that this phase is energized The voltage scale will indicate the voltage phase to Earth or and the percentage of the full scale 3 Repeat the operation 1 and 2 with the other bare conductor the other phase to be compared later so that it is known that both Conductors are energized Now you should know if both cond
7. both phases before testing between phases 2 PROVING THE PHASE COMPARATORS Before and after using a Phase Comparator and accessories a functional test should be performed on the Phase Comparator as It is to be used on the source or circuit to test A High Voltage Insulation tester can be used for this purpose When using a High Voltage Insulation tester the Phase Comparator will indicate the voltage generated by that H V Insulation tester Please note that H V Insulation testers are generating DC voltage and have polarity The PC range of Phase Comparators are using a bridge rectifier and current only pass one way into the panel meter However the neon must lit both ways When proving with a DC source as with a H V Insulation tester the poles must be tested for both polarity to confirm that the panel meter only show voltage in one way but confirm that the neon indicates both polarity The reading on the High Voltage Insulation tester also indicate the total value of the resistor chain and is also a good indication that the circuit is still correct and in good condition See specifications A Proving Unit can also be used if a High Voltage Insulation Meter is not available The Proving unit does not indicate how many mega ohms are in the front end or if the circuit is still in good condition or not The Proving unit only output a DC voltage of 5kVdc LIMIT MARK Each Phase Comparator has two poles Each pole has
8. d in accordance with IEC 68 2 6 Drop Resistance tested in accordance with IEC 68 2 32 Bump tested in accordance with IEC 68 2 2 Impact tested in accordance with IEC 1010 Clause 8 2 Deflection the contact electrodes must not deflect by more than 150mm when loaded at the electrode by 10N Connection Lead Cord Strenght each pole connection to withstand 10000 swing with 10N Load applied and a vertical pull with 200N applied Environmental Operating temperature 25 C to 55 C Operating Humidity 20 to 96 RH 8 SCALES E 4 50 12 00 00 TPC 7k TPC 11k TPC 22k TPC 33k TPC 44k Special Scales and configuration can be manufactured on a case by case basis Contact the factory with your requirements DIRECTIONS FOR USE It is the user s responsibility to ensure that only competent personnel with the necessary knowledge and training to work with high voltage use and handle this equipment Before using the Phase Comparators it is recommended to check them with an High Voltage Insulation tester if possible a variable one For Phasing it must be ensured that both feeders are in a live condition of the same voltage and in a stable state before commencing the phasing tests The Phase Comparators comprises of two interconnected parts these are the Master Stick containing the indicator housing The second stick is referred to as the slave ae SE Cover
9. n a dry Place 12 LIMITED WARRANTY We warrant the product manufactured by us to be free from defective material or factory workmanship and agree to repair or replace this product which under normal use and service disclose the defect to be the fault of our manufacturing with no charge for parts and service If we are unable to repair or replace this product we will make a full refund of the purchase price Consult the user s manual for proper instruction regarding use of this instrument Our obligation under this warranty is limited to repairing replacing or making refund of this test equipment which proves to be defective within forty eight months from the date of purchase This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons in any way so as in our sole judgement to injure their stability or reliability or which have been subject to misuse abuse misapplication negligence or accident or which have had the serial numbers altered defaced or removed All warranties implied by law are hereby limited to a period of fourty eight months and the provisions of the warranty are expressly in lieu of any other warranties expressed or implied The purchaser agrees to assume all liability for any damages or bodily injury which may result from the use or misuse of the product by the purchaser or it s user his employees or others and the remedies provided for in this warrant
10. nless you have been fully trained In High Voltage work and understand the system fully 11 CARE AND MAINTENANCE Storage The Phase Comparator and it s accessories should be stored in the proprietary carrying case bag when not in use Transporting When the equipment is in transit it should be stored in its carrying case bag Whilst the equipment has been designed for field use it should not be subjected to excessive bumps and shocks Cleanliness Dirt can cause surface tracking and it s therefore necessary to keep the Phase Comparator and its accessories clean by washing them in mild detergent solution All part should be cleaned with the appropriate liquid Mechanical Damage If surface scratches or dents can easily be seen by the naked eye then the equipment should be returned to the factory of your nearest distributor for repairs since these blemishes act as traps for dirt and moisture Mechanical damage would also necessitate the return of the equipment to the manufacturer Recelebration and Proof Testing Every twelve months the Phase Comparator and it s accessories should be rechecked This would include checking the threshold level of the neon voltage proof testing in factory or accredited laboratory and pressure testing of the panel meter housing Please note that there are no internal user replaceable parts The Phase comparator must always be clean and dry before use and during use Please store the Phase Comparator i
11. ther indoor or outdoor in dry condition The Phase Comparator will The user must keep hands perform correctly over er and all parts of the body the temperaturerange behind the hand guard to maintain safe working distances of 25 C to 55 C RANGE OF MODELS e Models are available to cover system voltages from 1kV to 44kV 50 or 60Hz e Contact the factory for information on models suitable for other voltages e The following models are available as standard instruments Model System Voltage Full Scale Maximum Display N Voltage Voltage Voltage Type Neon TPC7k 6 6kV 8kV 9kV amp Panel Meter Neon TPC11k 11kV 12kV 15kV amp Panel Meter Neon TPC22k 22kV 24kV 30kV amp Panel Meter Neon TPC33k 33kV 36kV 40kV amp Panel Meter Neon TPC44k 44kV 48kV 55kV amp Panel Meter 5 INSTRUCTION FOR USE Before using the Phase Comparator clean the Front End FiberGlass with a polymer polishing All models do not require batteries and are being signal driven current taken from the source or circuit under test and do not require arming However it is recommended that a functional test be carried out using an High Voltage Insulation tester or a proving unit To prove the Phase Comparator set the voltage on the Proving unit or on the High Voltage Insulation tester to suit the model of Phase Comparator Turn the test ON or the proving unit ON The Neon should lit if the voltage if high enough and the indic
12. uctors are energized because you will have read the voltage Phase to Earth of both conductors If both phases are not energized then the remedial action will have to be carried out before proceeding to the next stage of the Test Compare the Phases If both Phases are energized after checking between Phase and Earth that they are energized proceed to compare between the phases Now touch each bare conductor each phase to compare with a contact Electrode If the conductors Phases are in phase the neon will not lit and the meter pointer will not operate or the meter pointer will stay in the Green band If the conductors Phases are out of phase the neon will lit and the meter pointer will operate or the meter pointer will go in the Red band ay SPECIFICATIONS Safety Standard IEC 61481 TPC7k TPC11k TPC22k TPC33k TPC44k Total Resistance 4 48M ohm 6 78M ohm 10 82M ohm19 68M ohm26 8M ohm Response time lt 1Sec lt 1Sec lt 1Sec lt 1Sec lt 1Sec Neon Threshold 1 2kV 1 2kV 1 2kV 1 2kV 1 2kV Neon Lit Fully 1 5kV 1 5kV 1 5kV 1 5kV 1 5kV Mechanical TPC7k TPC11k TPC22k TPC33k TPC44k Lenght of Handle 775mm 775mm 775mm 775mm 775mm Lenght of Front 400mm 400mm 500mm 665mm 820mm End Fiberglass Total Lenght 1 175M 1 175M 1 275M 1 440M_ 1 595M Total Weight 2 1kG 2 1kG 2 2kG 2 4kG 2 5kG Handle Material Composite Material with Polyurethane Front End Fiber Glass Wound Tubing Vibration Resistance teste
13. y are expressly in lieu of any other liability we may have including incidental or consequential damages We reserve the right to discontinue models at any time or change specification price or design without notice and without incuring Any obligation 13 NOTES We Exceeded the safety specifications wherever possible However we can t be held liable for misuse or bad manipulation We simplified the Phase Comparators by not having any parts to assemble on site There is no user serviceable parts or user assembled part in our Phase Comparators Only the tip contact electrode has to be screwed on the Front end of each pole They generally do not need to be removed by the user For other kind of tips and contact electrodes contact the factory or you nearest distributor Getting regular training on your High Voltage equipment and on the electrical network grid you are working on is a good practice and will help in keeping you safe Always make a sketch before proceeding with testing High Voltage and ensure you are fully in control of the testing and understand Fully what is going on Failure to do so can result in fatal accidents 14
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