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CONTENTS 

1.

 

DESCRIPTION OF EQUIPMENT 

6

 

1.1

 

Electrical specification 

6

 

1.1.1

 

Supply requirements 

6

 

1.1.2

 

Output specifications 

6

 

1.1.3

 

Zero voltage interlock 

6

 

1.1.4

 

External interlock and beacons 

6

 

1.1.5

 

Overload protection 

6

 

1.1.6

 

Metering 

7

 

1.2

 

Front panel control functions 

8

 

2.

 

OPERATION 

10

 

2.1

 

Safety 

10

 

2.2

 

Installation 

10

 

2.2.1

 

Test area 

10

 

2.2.2

 

Mains supply 

10

 

2.2.3

 

Earthing 

10

 

2.2.4

 

Interlock/beacon circuit connections 

13

 

2.2.5

 

Grounding of the high voltage output 

13

 

2.2.6

 

High voltage connection 

14

 

2.3

 

Connections 

15

 

2.4

 

Operation 

16

 

2.4.1

 

Method of operation 

16

 

3.

 

MAINTENANCE 

18

 

3.1

 

Removal of control unit from case 

18

 

4.

 

STANDARD ACCESSORIES 

19

 

5.

 

OVERALL PERFORMANCE SPECIFICATION 

20

 

6.

 

REVISION 

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Содержание KV50-20D mk2

Страница 1: ...roduct High Voltage AC Test Set Type KV50 20D mk2 DESIGNED AND MANUFACTURED BY T R Test Equipment Limited 15 16 Woodbridge Meadows Guildford Surrey GU1 1BJ United Kingdom Telephone 01483 207428 e mail...

Страница 2: ...ol unit and HV transformer that must be connected to a local earth Ensure that the unit is properly grounded before making any connections to inputs or outputs Terminal ratings must be observed to pre...

Страница 3: ...men As a minimum the current capacity of the ground leads should exceed that necessary to carry the maximum possible ground current The effect of ground potential rise due to the resistance and reacta...

Страница 4: ...The following safety symbols 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 T...

Страница 5: ...unctions 8 2 OPERATION 10 2 1 Safety 10 2 2 Installation 10 2 2 1 Test area 10 2 2 2 Mains supply 10 2 2 3 Earthing 10 2 2 4 Interlock beacon circuit connections 13 2 2 5 Grounding of the high voltage...

Страница 6: ...Output current Continuous 5 min on 15 min off KV50 20D MK2 0 50kV 12mA 20mA One side of the high voltage transformer output is connected to the earth system of the equipment 1 1 3 Zero voltage interlo...

Страница 7: ...t the output current on short circuit 1 1 6 Metering The equipment is fitted with a two range kV meter that indicates the output voltage It is also fitted with a mA meter that meters the output curren...

Страница 8: ...ltage control D HV transformer connector L Output trip level control E Primary trip circuit breaker M N HV output on off switches illuminated green when output is off illuminated red when output is on...

Страница 9: ...9 Figure 1 2 HV transformer connections T HV output connection V Control unit connector U Earth terminal for connection to low impedance local earth This terminal MUST be connected as specified...

Страница 10: ...supply or HV unit interlock to ensure that the unit cannot be switched on unless the area is secure Refer to EN50191 2001 for further details of suitable test areas The test area must also be identif...

Страница 11: ...11 Figure 2 1 KV50 20D MK2 leads...

Страница 12: ...12 Figure 2 2 Earthing in metal test cage Figure 2 3 Earthing in temporary test area without earthed enclosure...

Страница 13: ...nterlock circuit remove the shorting link from the plug supplied and wire the external interlock circuit in its place The interlock circuit has a self checking circuit and will sound an audible alarm...

Страница 14: ...6 1 High voltage output clearances Adequate clearances must be maintained between the following parts and any other conducting object whether earthed or not HV output connection and all parts connecte...

Страница 15: ...ding frame Connect control unit earth terminal to earth clamp using supplied earth lead Connect the following leads to the HV transformer earth terminal Earth lead to earth clamp Earth stick Hang eart...

Страница 16: ...The key is only removable in the OFF position The key is trapped in the ON position Remove the earth stick from the HV connection of the transformer and leave the test cage Place the earth stick by t...

Страница 17: ...mp will extinguish and the HV ON lamp will be lit The output voltage can now be increased to the desired level as indicated on the kV meter In the event of a test object failure the HV output will be...

Страница 18: ...control unit is the regulator brush This should be inspected for damage and wear when the unit is re calibrated 3 1 Removal of control unit from case a Remove the lid from the control unit and rest it...

Страница 19: ...ovided with the equipment Replacement part number a Mains input lead S000 0580 b Interlock plug GX134 0005 c 2 x 5m earthing leads for control and HV units AX138 0002 d Earth clamp AX138 0003 e Interc...

Страница 20: ...frame Accuracy of instruments kV meter 5 of reading 5d mA meter 2 of reading 5d H V Transformer 2 5kV RMS for 1 minute between primary and earth 2 5kV RMS for 1 minute between earthy end of secondary...

Страница 21: ...21...

Страница 22: ......

Страница 23: ...23 6 REVISION Product Type High Voltage AC Test Set KV50 20D mk2 File OM0041 1 docx Author M Clancy Issue Date 1 13 09 2022 Checked By G Bond Date 07 12 22...

Страница 24: ...24 Drawings required A2 002227 latest issue KV50 20D mk2...

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