Zhengzhou Great Electric Co.,Ltd.
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HV AC/DC Test System JTGN-55/70
High Voltage Testing Equipment AC/DC 55KV/70KV LED Display AC/DC Test Kit
1) Used for test dielectric strength of insulation in vacuum circuit breaker, power cable and other equipments
2) Test of AC withstand voltage on HV equipment
3) Accuracy of output: ±2.5%
4) Rated output: 0-250V/0-4.5A, 1KVA, 50HZ
5) Test transformer rated output: AC 55KV/18mA; DC 70KV/10mA
6) With Zero-start interlock
7) Over current and short circuit protection
Features
1) Can test dielectric strength of insulation in vacuum circuit breaker, power cable and other equipment
2) Can perform the test of AC withstand voltage on HV equipment
3) With zero-start interlock available and zero start/reset in case of failure
4) Continuously generate adjustable AC voltage & DC voltage of either positive or negative polarity from
zero to rated output voltage
5) With over current and short circuit protection
6) Rugged construction with wheels, can be fieldly used in high voltage substation
Comprised part & Technical specification
Control desk
Mechanical structure
- Steel molding and spurted plastic on case inside&outside
detachable trap door
- Ramp type
- Outside dimension: 780*495*700mm
Power supply: 220V±10% (namely 200V-240V) AC 50HZ
Voltage Regulator (installed inside of control desk)
| Rated input | 220V, 1kVA, 4.5A, 50Hz |
| Rated output | 0-250V, 1kVA, 0-4.5A, 50Hz |
| Cooling way | Air cooling |
| Note | control desk and voltage regulator are in one |
AC/DC test transformer
| Rated capacity and frequency | 1kVA,50Hz |
| Rated input voltage & current | 200V,5A |
| Rated output AC voltage & current | 55kV, 18mA |
| Rated output DC voltage & current | 70kV, 10mA |
| Accuracy of output | ±2.5% |
| Short-circuit resistance | ≤8% |
| Insulation level | 110% of rated voltage, withstand 1 min |
Working conditions
| Operation temperature | maximum 45℃ |
| Storage temperature | maximum 60℃ |
| Relative humidity | maximum 80%, and if temperature 25℃, maximum 90% |
| Altitude | less than 3000m |
Discharge rod
