● Product introduction
Product Specifications: XSN (XZ) -220KVA / 44KVA
Applicable to test products: cable, main transformer, switch, GIS, transformer
Test product range: 10kV/300mm2 cable 5km,10kV/20000kVA main transformer,10kV switch, GIS, transformer
●Functions of the product:
1, to help customers to achieve a variety of test products preventive AC pressure test and handover AC pressure test;
2. AC voltage withstand test of cross-linked rubber and plastic power cables, power transformer, GIS, mutual inductors, insulators, generators, switches and other tested products' insulation ability to withstand various overvoltages and capacitive loads.
Product name: series resonance voltage test complete set of equipment, AC voltage test complete set of equipment, resonance booster device for inspection, series resonance voltage test instrument.
Test objects: 1. AC withstand voltage test of 5km 10kV/300mm2 cable, electric capacity ≤1.88uF, test frequency 30-300Hz, test voltage 22kV, test time 5min.
2. AC withstand voltage test of 10kV/ 2000kVA main transformer, capacitance ≤0.01uF, test frequency 45-65Hz, test voltage no more than 35kV, test time 1min.
3. AC withstand voltage test of 10kV switch, GIS and transformer, test frequency 30-300Hz, test voltage no more than 42kV, test time 1min.
● Product core parameters
Rated capacity: 220KVA;
Input power supply: single-phase 220 or three-phase 380V voltage, frequency 50Hz;
Rated voltage: 22kV; 44 kv;
Rated current: 10A; 5 a;
Working frequency: 30-300Hz;
Device output waveform: sine wave
Waveform distortion rate: output voltage waveform distortion rate ≤1%;
Working time: continuous 5min under rated load; Overpressure 1.1 times 1 minute;
Temperature rise: temperature rise ≤65K after continuous operation for 5min under rated load;
Quality factor: the device itself Q≥30(F =45Hz);
Protection function: over current, over voltage and flashover protection for the tested products (see frequency conversion power supply section for details);
Measuring accuracy: RMS of the system is 1.5 level;
2, excitation transformer JLB-12KVA / 1.2/2.4KV / 0.4KV 1
Rated capacity: 12KVA;
Input voltage: 0-400V, single-phase;
Output voltage: 1.2/2.4KV
Structure: dry;
Weight: about 65kg;
3, frequency conversion power supply BP-10KW /220/380V 1
Rated output capacity: 10KW
Power supply: 220/380±10%V (single/three-phase), power frequency
Output voltage: 0-400V, single phase,
Rated input current: 25A
Rated output current: 25A
Voltage resolution: 0.01kV
Voltage measurement accuracy: 1.5%
Frequency adjustment range: 30-300Hz
Frequency adjustment resolution: ≤0.1Hz
Frequency stability: 0.1%
Running time: continuous 5min under rated capacity
The maximum temperature of the components running continuously for 5min under the rated capacity is no more than 65K;
Noise level: ≤50dB
4, high voltage reactor DK (G) -55KVA / 22KV 4 sections
Rated capacity: 55KVA;
Rated voltage: 22kV;
Rated current: 2.5A;
Electrical sensitivity: 44H/ single section;
Quality factor: Q≥30 (F =45Hz);
Structure: dry;
5, Capacitor voltage divider FY-50KV / 2000PF 1 set
Rated voltage: 50KV;
High voltage capacity: 2000pF
Dielectric loss: Tg σ≤0.5%;
Partial pressure ratio: 1000:1
Measuring accuracy: RMS 1.5 level;
Weight: about 9kg;
Weight: about 50kg;
6, compensation capacitor BC-40KV / 30000PF 1 set
Rated voltage: 40KV;
High voltage capacity: 30000PF;
Weight: 12 kg
