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OVERALL PERFORMANCE SPECIFICATION

Insulation Resistance at 1000V DC

The insulation resistance will not be less than 10M

between mains input to frame and all

isolated outputs, and all combinations of isolated output to isolated output.

Applied Voltage Test

Mains input to frame and all isolated outputs 2kV RMS for 1 minute.

All combinations of isolated output to isolated output Isolated output to frame 1.5kV RMS for 1
minute.

Accuracy of Instruments

Ammeter plus appropriate current transducer ±0.6% of reading 6 digits

Polarity

Zero phase shift occurs on the following:

Mains input - external loading unit (Terminal 1 = Neutral).

Содержание PCU2 mk5

Страница 1: ...t Injection System Type PCU2 mk5 LU5000 LU6000 LU8000 DESIGNED AND MANUFACTURED BY T R Test Equipment Limited 15 16 Woodbridge Meadows Guildford Surrey GU1 1BJ United Kingdom Telephone 01483 207428 e...

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Страница 3: ...connections to any terminal It is ESSENTIAL to consult the product manual for rating information before making any connection to a terminal or terminal group marked with a warning triangle Only use fu...

Страница 4: ...ymbols may appear in this manual CAUTION This action or procedure may be dangerous if not carried out correctly and may cause damage to the equipment or connected equipment WARNING This action or proc...

Страница 5: ...t over temperature trip 13 1 2 7 Timing System 13 1 3 Construction 13 1 4 Installation 13 2 OPERATION 15 2 1 Loading Unit Configuration 15 2 2 Main Output 16 2 3 Connections 17 2 3 1 Earthing 17 2 4 T...

Страница 6: ...e 22 3 3 Timing Devices with NO Auxiliary Contacts 23 3 3 1 Timer Mode 23 3 3 2 Connections 23 3 3 3 Test Procedure 23 4 MAINTENANCE 24 5 ACCESSORIES 25 5 1 Standard Accessories 25 5 2 Optional Access...

Страница 7: ...lities and a flexible timing system are provided WARNING The PCU2 and associated loading units are designed to be used on dead systems i e no externally supplied voltages are present on the test objec...

Страница 8: ...8 1 1 Front Panel Layout Figure 1 1 PCU2 and loading unit front panels...

Страница 9: ...ng input from loading unit H Ammeter Displays load current I Ammeter range switch Selects ammeter low high range J Ammeter series parallel switch Selects Series parallel connection for metering K Load...

Страница 10: ...ec on 1 min off 1 sec on 1 min off LU5000 Series 8V 1250A 2500A 4000A 5000A Parallel 4V 2500A 5000A 8000A 10000A LU6000 Series 6 6V 1375A 3000A 4800A 6000A Parallel 3 3V 2750A 6000A 9600A 12000A LU800...

Страница 11: ...ill become hot in use Ensure adequate cooling time is allowed before touching cables or connectors after tests Note The output leads should not be rested against any sharp edges whilst testing The ins...

Страница 12: ...cable is not connected between the PCU2 MK5 control unit and the external loading unit the ammeter will not function and the output will not switch on 1 2 5 Overload trip The output of the unit is pro...

Страница 13: ...0 01 rdg 3d NOTE In current operated mode timing results obtained with test currents below 20 of the selected ammeter range and on measured times of 19ms and below are of doubtful accuracy The PCU2 ha...

Страница 14: ...le provided The connector and supply must be rated for 100A It is also important to ensure that the unit is adequately earthed It is suggested that the earth stud on the side of the unit is connected...

Страница 15: ...er current with a lower voltage or a lower current with a higher voltage The links on the control unit must be connected to select series or parallel operation Configuration Link terminals Series 2 3...

Страница 16: ...a 0 230V supply rated at 100A for 5 minutes on 15 minutes off This output is NOT isolated from the mains and is not designed to be used without an isolating loading unit The units are designed to dri...

Страница 17: ...ure low impedance connections are made between the output of the loading unit and the object under test Ensure that the output cables are suitable rated for the test current to avoid danger of fire If...

Страница 18: ...al Contact set 2 has a volt free contact input 2 4 1 Timer Modes 2 4 1 1 Timer Mode Off In the off mode the timer has no effect on the operation of the set and the timer does not run This mode is used...

Страница 19: ...re the regulator knob is fully anti clockwise before switching on Ensure the timer mode switch is in the off position and depress the on push button Increase the current by rotating the output control...

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Страница 21: ...1 3 Test Procedure Switch on the main supply switch Set timer mode switch to the off position Ensure that the output regulator is in the zero position Set loading unit series parallel switch to appro...

Страница 22: ...ch Set timer mode switch to the off position Ensure that the output regulator is in the zero position Set loading unit series parallel switch to appropriate settings Check that connections are made as...

Страница 23: ...mer mode switch to the off position Ensure that the output regulator is in the zero position Set loading unit series parallel switch to appropriate settings Check that connections are made as above Pr...

Страница 24: ...placement brushes are available from T R Test Equipment stock number SPA 0110 The intervals between inspection and renewal of the brushes will depend upon the amount of usage However it should be reme...

Страница 25: ...ends to suit the PCU2 control unit and the external loading unit c 5 metre long metering lead terminated at both ends to suit the PCU2 control unit and the external loading unit 5 2 Optional Accessori...

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Страница 27: ...output to isolated output Applied Voltage Test Mains input to frame and all isolated outputs 2kV RMS for 1 minute All combinations of isolated output to isolated output Isolated output to frame 1 5kV...

Страница 28: ......

Страница 29: ...29 7 REVISION Product Type Primary Current Injection PCU2 MK5 Loading Units File PCU2 MK5 manual v2 doc Author I Lake Issue Date 2 24 06 2013 Modified By T Clark Checked By P Cole Date 24 06 2013...

Страница 30: ...30 Drawings Required A2 001660 latest issue...

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