● Product Introduction
Product specifications: XSN (XZ) -270KVA /108kV(frequency conversion)
Applicable to test products: cable, switch, main transformer, transformer
Scope of tested products: 35kV switch bus and transformer,35kV/50000kVA main transformer,35kV/300mm2 cable 2km,10kV/300mm2 cable 5km
● 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, 35kV/300mm2 cable 2km AC voltage test, capacitance ≤0.389uF, test frequency 30-300Hz, test voltage 52kV, test time 60min.
2, 10kV/300mm2 cable 5km AC voltage test, capacitance ≤1.88uF, test frequency 30-300Hz, test voltage 22kV, test time 5min.
3, 35kV/50000kVA main transformer AC voltage test, capacitance ≤0.015uF, test frequency 45-65Hz, test voltage 68kV, test time 1min.
Ac voltage withstand test of 35kV switch and transformer, test frequency 30-300Hz, test voltage does not exceed 95kV, test time 1min.
● Technical parameters
1. Core product parameters:
Rated capacity: 270kVA;
Input power: single-phase 220 or three-phase 380V voltage, frequency is 50Hz;
Rated voltage: 27kV; 54 kv; 108 kv;
Rated current: 10A; 5 a; 2.5 A.
Operating frequency: 30-300Hz;
Device output waveform: sine wave
Waveform distortion rate: output voltage waveform distortion rate ≤1%;
Working time: continuous 60min under rated load; Overvoltage 1.1 times 1 minute;
Temperature rise: temperature rise ≤65K after 60min 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, the excitation transformer JLB - 15 kva / 1.5/3/6 kV / 0.4 kV 1
Rated capacity: 15kVA;
Input voltage: 0-400V, single phase;
Output voltage: 1.5/3/6kV
Structure: dry type;
Weight: about 75kg;
3, frequency conversion power BP 220/380-15 kw/v 1
Rated output capacity: 15kW
Power supply: 220/380±10%V (single/three phase), power frequency
Output voltage: 0 -- 400V, single phase,
Rated input current: 37.5a
Rated output current: 37.5a
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 60min at rated capacity
Maximum temperature of components ≤65K during continuous operation at rated capacity for 60min;
Noise level: ≤50dB
4, high voltage reactor DK (G) -67.5KVA /27kV 4 sections
Rated capacity: 67.5kVA;
Rated voltage: 27kV;
Rated current: 2.5a;
Inductance: 46H/ single section;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 65kg;
5. One set of capacitor divider FY-110KV /1500pF
Rated voltage: 110kV;
High voltage capacity: 1500pF
Dielectric loss: TG σ≤0.5%;
Partial pressure ratio: 1500:1
Measurement accuracy: effective value 1.5 level;
Weight: about 10kg;
6, compensation capacitor BC-70kV/20000pF 1 set
Rated voltage: 70kV/35kV;
High voltage capacity: 20000pF/40000pF;
Weight: 15 kg
