●Product introduction
Product name: 10kV AC withstand voltage test
Product specifications: XSN (XZ) -108kVA/108kV
Applicable test products: cables, switches, GIS, transformers, circuit breakers
Test product range: 10kV/300mm2 cable 2km, 35kV and below voltage level switch, GIS, transformer, circuit breaker, 35kV/300mm² 0.5km cable
●Product role and function:
1. Help customers to achieve preventive AC withstand voltage test and handover AC withstand voltage test of various tested products;
2. Test cross-linked rubber-plastic power cables, power transformers, GIS, transformers, insulators, generators, switches and other test products insulation withstand various overvoltage capabilities and AC withstand voltage test for capacitive loads.
Product nicknames: series resonance withstand voltage test equipment, AC withstand voltage test equipment, resonant booster device for inspection, series resonance withstand voltage tester.
Test object: 1.35kV/300mm², AC withstand voltage test of 0.5km cable, capacitance≤0.097uF, test frequency 30-300Hz, test voltage 52kV, running time 60min.
2. 10kV/300mm2 cable 2km AC withstand voltage test, capacitance ≤0.751uF, test frequency 30-300Hz, test voltage not exceeding 22kV, test time 5min.
3. AC withstand voltage test of 35kV and below voltage level switches, GIS, transformers, circuit breakers and other substation equipment, test frequency 30-300Hz, test voltage not exceeding 95kV, test time 1min
●Technical parameters
1. Rated capacity: 108kVA;
Input power: single-phase 220/three-phase 380V voltage, frequency is 50Hz;
Rated voltage: 54kV; 108kV
Rated current: 2A; 1A
Working frequency: 30-300Hz;
Device output waveform: sine wave
Waveform distortion rate: output voltage waveform distortion rate ≤ 1%;
Working time: allow continuous 60min under rated load; overvoltage 1.1 times 1 minute;
Temperature rise: the temperature rise after 60 minutes of continuous operation under rated load is ≤65K;
Quality factor: the device itself Q≥30 (f=45Hz);
Protection function: overcurrent, overvoltage and flashover protection for the tested product (see the frequency conversion power supply section for details);
Measurement accuracy: system effective value 1.5;
2. Excitation transformer JLB-6kVA/1.5/3/6kV/0.4kV 1 set
Rated capacity: 6kVA;
Input voltage: 0-400V, single phase;
Output voltage: 1.5/ 3/6kV
Structure: dry type;
Weight: about 55kg;
3. Frequency conversion power supply BP-6kW/220/380V 1 unit
Rated output capacity: 6kW
Power supply: 220/380±10%V (single/three-phase), power frequency
Output voltage: 0-400V, single phase,
Rated input current: 13A
Rated output current: 13A
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 60min under rated capacity
The maximum temperature of the components during continuous operation for 60min under the rated capacity is ≤65K;
Noise level: ≤50dB
4. High-voltage reactor DK(G)-27kVA/27kV Section 4
Rated capacity: 27kVA;
Rated voltage: 27kV;
Rated current: 1A;
Inductance: 100H/single cell;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 38kg;
5. Capacitor voltage divider FY-110kV/1000pF 1 set
Rated voltage: 110kV
High voltage capacity: 1000pF
Dielectric loss: tgσ≤0.5%;
Partial pressure ratio: 1500:1
Measurement accuracy: effective value 1.5;
Weight: about 9kg
