Main scope of application of the device
1. Meet the AC withstand voltage test of 300mm2, 10kV cable, with a length of 10km, capacitance ≤ 3.7uF, test frequency of 30-300Hz, and test voltage U ≤ 22kV.
2. Meet the AC withstand voltage test of 300mm2, 35kV cable, with a length of 5km, capacitance ≤ 0.95uF, test frequency of 30-300Hz, and test voltage U ≤ 52kV.
3. Meet the AC withstand voltage test of 630mm 2110kV cable, with a length of 1km, capacitance ≤ 0.188uF, test frequency of 30-300Hz, and test voltage U ≤ 128kV.
4. Meet the AC withstand voltage test of a 200MW/13.8kV generator, with a capacitance ≤ 0.2uF, a test frequency of 45-65Hz, and a test voltage U ≤ 20.7kV.
5. Meet the AC withstand voltage test of 10kV motor, with a test frequency of 30-300Hz and a test voltage U ≤ 16kV.
6. Meet the AC withstand voltage test of transformers below 100MVA/110kV, with capacitance ≤ 0.02uF, test frequency 45~65Hz, and test voltage U ≤ 160kV.
7. Meet the requirements of 110kV busbar, GIS AC withstand voltage test, test frequency 30-300Hz, test voltage U ≤ 265kV.
Product Features
1. Fully utilize our company's advantages in electronic measurement technology and electromagnetic compatibility, independently develop, design, and produce the components of this equipment, including variable frequency power supply, excitation transformer, cast high voltage reactor, and high-precision capacitive voltage divider.
2. It has manual/automatic mode, large screen display, test parameter setting, and automatic timing and operation prompt functions.
3 has multiple protection functions, such as overvoltage, overcurrent protection, discharge protection, and detuning protection.
Detailed parameters
Rated output voltage: 0-270kV
2. Resonant voltage waveform: sine wave, waveform distortion rate<1.0%
3. Maximum test sample current; 3A
4 Maximum test capacity: 810kVA
5 Output frequency: 30-300Hz
6 working hours: Continuous working time of 60 minutes at full power output
7 quality factors: 30-90
8-input working power supply: three-phase 380V ± 10%, 50Hz
9. Environmental temperature: -15 ºC to+40 ºC
Relative humidity:<90RH%, no condensation condition
11. Altitude: < 3500m
12 Noise: ≤ 50dB
){kind=link}