● Product Introduction
Product specification: XSN (XZ) -88kVA/44kV
Applicable to test products: cable, main transformer, switch
Range of tested products: 2km 10kV/300mm2 cable, 10kV switch and other substation equipment, 10kV/20000KVA main transformer
● Product functions and functions:
1. Help customers to carry out preventive ac pressure test and handover AC pressure test of various tested products;
2. Ac voltage withstand test of cross-linked rubber and plastic power cables, power transformer, GIS, transformer, insulator, generator, switch and other tested products' insulation ability to withstand various overvoltages and capacitive loads.
● Product name: series resonance withstand voltage test complete set of equipment, AC withstand voltage test complete set of equipment, resonance boost device for inspection, series resonance withstand voltage test instrument.
● Test object:
1, 10kV/300mm2 cable 2km AC voltage test, capacitance ≤0.751uF, test frequency 30-300Hz, test voltage 22kV, test time 5min.
2, 10kV switch and other substation equipment AC voltage test, test frequency 30-300Hz, test voltage does not exceed 42kV, test time 1min.
3, 10kV/20000KVA main transformer AC voltage test, capacitance ≤0.01uF, test frequency 45-65Hz, test voltage 35kV, test time 1min.
● Technical parameters
1. Core product parameters
Rated capacity: 88kVA;
Input power: single-phase 220 or three-phase 380V voltage, frequency is 50Hz;
Rated voltage: 22kV; 44 kv;
Rated current: 4A; 2 a.
Operating frequency: 30-300Hz;
Device output waveform: sine wave
Waveform distortion rate: output voltage waveform distortion rate ≤1%;
Working time: continuous 5min under rated load; Overvoltage 1.1 times 1 minute;
Temperature rise: temperature rise ≤65K after 5min continuous operation under rated load;
Quality factor: Q≥30(f=45Hz);
Protection function: over current, over voltage and flashover protection (see frequency conversion power supply);
Measurement accuracy: system effective value 1.5 level;
2, excitation transformer JLB - 6 kva / 1.5/3 kV / 0.4 kV 1
Rated capacity: 6kVA;
Input voltage: 0-400V, single phase;
Output voltage: 1.5/3kV
Structure: dry type;
Weight: about 60kg;
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%
Operation time: continuous 5min at rated capacity
The highest temperature of components under rated capacity for 5min continuous operation ≤65K;
Noise level: ≤50dB
4, high voltage reactor DK (G) -44kVA/22kV 2 sections
Rated capacity: 44kVA;
Rated voltage: 22kV;
Rated current: 2A;
Electric sensing: 55H/ single section;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 40kg;
5, capacitance divider FY-50KV /3000pF 1 set
Rated voltage: 50kV;
High voltage capacity: 3000pF
Dielectric loss: TG σ≤0.5%;
Partial pressure ratio: 1000:1
Measurement accuracy: effective value 1.5 level;
Weight: about 6kg;
6, compensation capacitor BC-40kV/50000pF 1 set
Rated voltage: 40kV;
High voltage capacity: 50000pF;
Weight: 13 kg
