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OPERATING AND MAINTENANCE MANUAL

Product:

High Voltage DC Cable Test Set

Type:

PT15-10s

DESIGNED AND MANUFACTURED BY:

T & R Test Equipment Limited

15-16 Woodbridge Meadows, Guildford, Surrey, GU1 1BJ, United Kingdom

Telephone: 01483 207428

e-mail: [email protected]

Fax.:

01483 511229

Web:

www.trtest.com

TRUSTED & RELIABLE

Содержание PT15-10s

Страница 1: ...DC Cable Test Set Type PT15 10s DESIGNED AND MANUFACTURED BY T R Test Equipment Limited 15 16 Woodbridge Meadows Guildford Surrey GU1 1BJ United Kingdom Telephone 01483 207428 e mail sales trtest com...

Страница 2: ...2...

Страница 3: ...he equipment that may be connected to a local earth Ensure that the product is properly grounded before making any connections to inputs or outputs Terminal ratings must be observed to prevent fire ha...

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Страница 5: ...5 CONTENTS 1 Description of Equipment 2 Operation of Equipment 3 Maintenance Instructions 4 Standard Accessories 5 Overall Performance Specification 6 Revision...

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Страница 7: ...1 Electrical Specification 1 2 Output Voltage Control 1 3 Overload Protection 1 4 High Voltage Output Cables 1 5 Metering 1 6 Automatic Earthing 1 7 Manual Earthing Using DP20 Discharge Earthing Prob...

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Страница 9: ...mA c The maximum currents available from the equipment are as the following table V supply kV DC mA DC R load C load 240V 15 0 500pF 2 14 7M 0 075 F 5 23 2 86M 0 15 F 8 4 1 78M 0 15 F 10 00 1 5M 0 22...

Страница 10: ...F5A for 115V operation 1 3 2 The outputs from the instrument are protected by means of a fast acting magnetic overload relay which in turn controls an output contactor The overload is set for 12 15 m...

Страница 11: ...milliamps dc The range change on the milliammeters is achieved by means of an non latching push button which is coloured white and located on the instrument s front panel The rest position is Range 1...

Страница 12: ...ge Probe and More Importantly Possible Fatal Injury to the Operator 1 6 2 The Specification for DP20 Max discharge voltage kVdc 20kVdc Max discharge capacitance 12 F Max discharge energy 3 6kJ Max dis...

Страница 13: ...the input and output sockets 1 9 Storage 1 9 1 The PT15 10S when not in use must be stored in a dry environment corrosion damage may occur to the HV components if stored in damp environment 1 9 2 Impo...

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Страница 15: ...15 2 OPERATION 2 1 Supply Voltage Selection 2 2 Front Panel Control Functions 2 3 Testing Procedures and Safety Precautions...

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Страница 17: ...til desired supply voltage is seen through the fuse drawer window c The PT15 10s is suitable for 2 different supply voltages as follows 240V or 115V d Replace fuse drawer once the desired voltage has...

Страница 18: ...the set and that supply fuse is healthy 10 push button Selects range for output milliammeter HV OFF illuminated Indicates HV output off when lit Switches push button Green off HV output when pressed H...

Страница 19: ...ype F 115V 5A Type F NEG HIGH VOLTAGE kV DC mA DC DANGER EARTH Negative kilovoltmeter Milliamp meter 10 push button Power ON OFF key switch Output ON push button Output OFF push button Fused mains inp...

Страница 20: ...d to the cable sheath If the cable sheath is not earthed this may occur on cables which have just been installed a temporary earth spike 0 5M long may be used However this should be treated with cauti...

Страница 21: ...ge regulator to the zero voltage position e Observe the slow decay in the output voltage which will indicate a healthy cable f After 30 seconds switch off the HV output The PT15 10s has an auto earth...

Страница 22: ...ET TYPE PT15 10S POWER ON HV OUTPUT ON OFF INPUT 1ph 50 60Hz 240V 3A Type F 115V 5A Type F NEG HIGH VOLTAGE kV DC mA DC DANGER EARTH Cable Under Test Impedance Earth Connect to Low DP20 Earthing Disch...

Страница 23: ...cking the brush condition as detailed above also check for signs of erosion on the regulator track Wipe clean with an alcohol moistened cloth If the track is badly eroded it should be cleaned with ver...

Страница 24: ...om Its Housing 1 Remove the 4 fixing screws that hold the carrying strap to the unit s case 2 The unit can now be lifted from the case 3 To gain access to the internal components remove the aluminium...

Страница 25: ...4 2 The following items are provided with the equipment a Mains input lead b 2 keys for mains ON OFF switch c 5 metre earth lead fitted with clip and tag d DP20 discharge earthing probe e 5 metre HT o...

Страница 26: ...s than 10 Megohms between Mains Input to Frame 5 2 Applied Voltage Test Mains input to frame 2 kV RMS for 1 minute 5 3 Flashover test 5 flashovers at 15kV DC direct to earth 5 4 Normal voltage test 15...

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Страница 28: ...28 6 REVISION Product Type High Voltage DC Cable Test Set PT15 10s File PT15 10s manual v10 doc Author D Buckle Issue Date 10 28 02 17 Modified By K Mupotsa Checked By G Biggs Date 30 05 17...

Страница 29: ...29 Drawings Required A2 000438 latest issue...

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