Frequency Modulation Series Resonance Withstand Voltage Test Device 2400kV 800kV
- Wrindu
- China
- about 10 days
- 100 set/month
- RDXB(WJ)-450kW
1.Suitable for the partial discharge and induction withstand voltage test of power transformer of 400kV/350MVA and below;
2.AC power frequency converter adopts a linear amplification circuit; sine wave output with small waveform distortion.
3.Automatic and steady voltage adjustment.
4.Overvoltage, overcurrent and other protection functions make the device safe and reliable.
RDXB(WJ)-450kW Transformer Induced Voltage Withstand and Partial Discharge Test System
Product composition
NO. | Name | Specification | Quantity |
1 | No partial discharge AC power frequency converter and control box | RDXB(WJ)-450kW | 1 unit |
2 | No partial discharge excitation transformer | RDB(WJ)－450kV/2*±10/35 Low voltage：2×300/350V/400V | 1 unit |
3 | No partial discharge compensation reactor | RDBK(WJ)-35kV（6H/8A，3H/12A、25kV/1H/20A）90min | 4 units |
4 | No partial discharge capacitive voltage divider and coupling capacitor | FRC(WJ)- 100kV/300pF | 1 unit |
5 | Partial discharge comprehensive analyzer | RDPDD-104H | 1 unit |
Scope of application and characteristics of the device
1. Suitable for the partial discharge and induction withstand voltage test of power transformer of 400kV/350MVA and below;
2. AC power frequency converter adopts a linear amplification circuit; sine wave output with small waveform distortion.
3. Automatic and steady voltage adjustment.
4. Overvoltage, overcurrent and other protection functions make the device safe and reliable.
5. Optical fiber is used to transmit high voltage signal, which completely isolates the high-voltage and low-voltage circuits.
6. With automatic and manual control modes.
7. Synchronized voltage, current and frequency display.
8. It has the function of resonant withstand voltage test.
9. With automatic resonant frequency search function, automatic sweeping of multiple frequency segments can be set.
Technical Parameters
1. Rated input power supply: 380V±10% (three-phase); 50Hz
2. Rated output power: 450kW
3. Rated output capacity: 450kVA
4. Rated output voltage: Single phase 0~350V
5. Output phase: single phase
6. Adjustable frequency range: 20Hz~300Hz
7. Output frequency resolution: 0.01Hz
8. Output frequency instability: ≤0.05％
9. Output voltage waveform: Sine wave; waveform distortion rate ≤ 1.0%
10. The amount of partial discharge: ≤10pC
11. System working hours: 90min
12. Insulation level: 1.2 times the rated voltage withstand voltage 1min
13. Noise level: ≤85dB
14. Quality factor: Q＞100（f=30Hz）
15. AC power frequency converter: 450kW (push-pull linear amplification)
