Partial discharge and withstand voltage test device for transformer
TWJ series transformer partial discharge and withstand voltage test device
Scope of application
Inductive withstand voltage and partial discharge test of 220kV and below PT
Partial discharge test of 220kV and below CT
Performance characteristics
(1) Adopt high-fidelity linear power amplifier circuit and special filtering measures;
(2) A power supply capable of outputting variable frequency, complete sine wave and extremely low partial discharge;
(3) Combined with other components such as intermediate transformers and resonant reactors, it can meet the requirements of on-site induction withstand voltage and partial discharge test (or AC withstand voltage).
Technical index
Power supply | Three-phase 380V±10% | 50Hz |
The output voltage | Single phase sine wave 0~350V | Continuously adjustable |
Output current | 0~14A | Take 5kW as an example |
Rated output capacity | 5kW | 5-10kW (optional) |
Output frequency | 20~300Hz | Continuously adjustable |
Partial discharge | ≤10pC | |
It can measure and display the DC voltage, output voltage, output current and output frequency of the working arm。 | ||
Without partial discharge intermediate transformer | For PT induction withstand voltage | |
Rated Capacity | 5kVA | 5-10kVA |
The output voltage | 75V/127V/150V | |
Partial discharge level | ≤10pC | |
Without partial discharge intermediate transformer | CT AC withstand voltage | |
Rated Capacity | 3kVA | 5-10kVA |
The output voltage | 25kV | |
Partial discharge level | <10pC | |
No partial discharge high voltage reactor CT AC withstand voltage | ||
Rated Capacity | 24kVA | |
The output voltage | 200kV | |
Partial discharge level | <10pC | |
No. 255, Shanpu Road, Hedong Industrial Park, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province
Tel：+86-512-67266386
Fax：+86-512-67167303
szhd@szhddq.com
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