● Product Introduction
Product specifications: XSN (XZ) -176KVA /44kV
Applicable to test products: cable, main transformer, switch, transformer
Scope of tested products: 10kV/300mm2 cable 4km,10kV/20000kVA main transformer,10kV GIS, switch and 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 4km AC voltage test, capacitance ≤1.502uF, test frequency 30-300Hz, test voltage 22kV, test time 5min.
2. Ac voltage withstand test of 10kV/20000kVA main transformer, capacitance ≤0.01uF, test frequency 45-65Hz, test voltage 35kV, test time 1min.
3. Ac voltage withstand test of 10kV GIS, switch and transformer, test frequency 30-300Hz, test voltage 42kV, test time 1min.
● Technical parameters
1. Core product parameters
Rated capacity: 176kVA;
Input power: single-phase 220 or three-phase 380V voltage, frequency is 50Hz;
Rated voltage: 22kV; 44 kv;
Rated current: 8A; 4 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 - 10 kva / 1.2/2.4 kV / 0.4 kV 1
Rated capacity: 10kVA;
Input voltage: 0-400V, single phase;
Output voltage: 1.2/2.4kV
Structure: dry type;
Weight: about 65kg;
3, frequency conversion power BP - 10 kw / 220/380 v 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%
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 4 sections
Rated capacity: 44kVA;
Rated voltage: 22kV;
Rated current: 2 a;
Electric sensing: 55H/ single section;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 45kg
5, 1 set of capacitor divider FY-50KV /2000pF
Rated voltage: 50kV;
High voltage capacity: 2000pF
Dielectric loss: TG σ≤0.5%;
Partial pressure ratio: 1000:1
Measurement accuracy: effective value 1.5 level;
Weight: about 30kg;
6, compensation capacitor BC-35KV /40000pF 1 set
Rated voltage: 35kV;
High voltage capacity: 40000pF
Weight: 12 kg
