● Product introduction
Product specification: XSN (XZ) -135kVA/54kV(frequency conversion)
Suitable for testing: cable, switch, transformer
Scope of test: 1km of 35kV/300mm2 cable, 3km of 10kV/300mm2 cable,10kV switch transformer
● Functions and functions of the product:
1. Help customers to carry out the preventive AC voltage withstand test and handover AC voltage withstand test of various tested products; 2.
2. Test the ac voltage withstand test of the insulation of cross-linked rubber and plastic power cables, power transformers, GIS, transformers, insulators, generators, switches and other tested products under various over voltage capacity and capacitive loads.
Other names: series resonant withstand voltage test complete set, AC withstand voltage test complete set, inspection resonant boost device, series resonant withstand voltage test instrument.
Test objects: 1. Ac voltage withstand test of 1km of 35kV/300mm2 cable, electric capacity ≤ 0.1945UF, test frequency 30-300Hz, test voltage 52kV, test time; 2.
2. Ac voltage withstand test of 3km of 10kV/300mm2 cable, electric capacity ≤1.126uF, test frequency 30-300Hz, test voltage 22kV, test time;
3. Ac withstand voltage test of 10kV switch and transformer, test frequency 30-300Hz, test voltage not exceeding 42kV, test time.
● Product core parameters
Rated capacity: 132kVA;
Input power supply: three-phase 380V voltage, frequency 50Hz;
Rated voltage: 22kV;
Rated current: 6A;
Working frequency: 30-300Hz;
Output waveform: sine wave
Waveform distortion rate: output voltage waveform distortion rate ≤1%;
Working time: 5min continuously allowed under rated load; Overpressure 1.1 times for 1 min;
Temperature rise: temperature rise ≤65K after continuous operation under rated load for 5min;
Quality factor: Q≥30 (F =45Hz) of the device itself;
Protection function: Overcurrent, overvoltage and flask-over protection for the tested products (see frequency conversion power supply section for details);
Measurement accuracy: system RMS level 1.5;
2. One excitation transformer JLB-6KVA /1kV/0.4kV
Rated capacity: 6kVA;
Input voltage: 0-400V, single-phase;
Output voltage: 1kV
Structure: dry type;
Weight: about 42kg;
3. One frequency conversion power supply, BP-6KW /220/380V
Rated output capacity: 6kW
Power supply: 220/380 ±10%V (single/three phase), power frequency
Output voltage: 0-400V, single phase,
Rated input current: 15A
Rated output current: 15A
Voltage resolution: 0.01kV
Voltage measurement accuracy: 1.5%
Frequency adjustment range: 30-300Hz
Frequency adjustment resolution: ≤0.1Hz
Frequency stability: 0.1%
Operating time: continuous 5min at rated capacity
5min of continuous operation under rated capacity, the highest temperature of components ≤65K;
Noise level: ≤50dB
4. High voltage reactor DK (G) -44kVA/22kV 3 knots
Rated capacity: 44kVA;
Rated voltage: 22kV;
Rated current: 2A;
Electrical inductance: 55H/ single node;
Quality factors: Q≥30 (F =45Hz);
Structure: dry type;
Weight: about 42kg;
5. Capacitive voltage divider FY-30kV/6000pF 1 set
Rated voltage: 30kV;
High voltage capacity: 6000pF
Medium loss: TG ≤0.5%;
Partial pressure ratio: 1000:1
Measurement accuracy: RMS level 1.5;
Weight: about 6kg;
