| Customization: | Available |
|---|---|
| Rated Capacity: | 528kVA |
| Rated Voltage: | 40kv/200kv/440kv |
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AC resonant test system is used for factory testing of middle, high and ultra-high voltage cables, capacitors, generators, motors, power transformers and gas-insulated switchgears.
The resonant test systems can be either in insulation cylinder type or metal tank. Insulation cylinder reactors are in module and can be stacked to connect in series parallel to get much higher voltage or current. Additional voltage taps are possible for metal tank reactors. The output voltage is fed out through the tap-changers by HV bushings. This kind of reactors extend application range, and satisfy testing for cables of various voltage class.
SXBP-528kVA/440kV Variable Frequency AC Series Resonant Test System
The system is consisted by below units:
√ Variable Frequency Power Generator
√ HV Divider
√ Exciting Transformer
√ HV Reactor
√ Accessories Box (connection wires)
Test Object and Requirement
The system is specially designed for AC withstand voltage test for below items, with below specifications and requirements.
AC withstand voltage test for 80MVA/220kV.
AC withstand voltage for 103MW generator, test voltage 22.95kV.
AC withstand voltage for 203KV GIS, max. test voltage 440kV.
Technical Data
√ Rated capacity: 528kVA
√ Input power supply: three phase 380V, 50Hz
√ Rated voltage: 40kV/200kV/440kV
√ Rated current: 12A/2.4A/1.2A
√ Working Frequency: 30-300Hz
√ Output waveform: sine wave
√ Waveform distortion rate: ≤1%
√ Working time: Constant working of 60mins under rated load. Working of 1min, under 1.1 times of rated voltage
√ Temperature rise: ≤65K after constant working of 60mins under rated load
√ Quality factor: Q ≥30 (f=45Hz)
√ Protective function: Over-current, over-voltage and flashover protections for test object.
√ Accuracy: 1.5% (RMS)
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