Variable frequency Resonant Test equipment

 1. Application: 

- ≤ 220KV CT/PT;

- ≤ 220KV Bushing;

- ≤ 220KV Insulators, Disconnectors, Reactors;

- ≤ 220kV Switchgear;

- ≤ 220KV Insulation Instrument. 

- Rated Capacity: 500kVA;

- Output Voltage: 0-500KV

- Max Output current: 1A;

- Output frequency: 30-300Hz (Auto sweeping, manully setting frequency 50Hz);

- Input Power: 220V or 380V single phase, 50Hz

- Waveform distortion rate: Output voltage distortion ≤ 1%;

- Working time: max 60 minutes continous under rated load;

- Working Temperature: -10℃～+40℃

- Quality factors:  Q ≥ 30 (f=45Hz);

- Stability: Over-current/over-voltage/Flashover protection;Auto Time;Touch Screen;

- Accuracy: 1.0% RMS

1) Controller 20KVA/400V,  1 unit

- Rated output capacity: 20KVA

- Power Supply: 220V or 380V ± 10% (single phase), 50Hz

- Output Voltage: 0 - 400V, single phase;

- Output wave form: sine wave

- Voltage Resolution: 0.01kV

- Voltage measurement accuracy: 0.5%

- Frequency: 30 - 300Hz

- Frequency resolution: ≤ 0.1Hz

- Frequency stability: 0.1%

- Noise level: ≤ 50dB

2) Excitation Transformer  2.5kV/15kv/30kV,   1 unit

- Rated capacity: 20kVA;                     

- Input voltage: 400V, single phase;

- Output voltage :15kv;30kV;

- Structure: Dry Transformer,

- Weight: 90kg;

3) Reactor 50KVA/50KV,   10 units

- Rated Capacity: 50kVA;

- Rated voltage: 50kV;

- Rated current: 1A;

- Quality factor: Q ≥ 30 (f=45Hz)；

- Structure: Dry Transformer;

- Weight: 55kgs/each;

- Rated voltage: 500KV

- High-voltage capacitance: 500pF

- Dielectric loss: tgσ ≤ 0.5%;

- Divider ratio: 1000:1

- Accuracy: RMS 1.0;

- Weight: about 45kg;