● Product Overview
Product Name: 35kV (135kVA/54kV) frequency conversion cable series resonance
Product specifications: XSN (XZ) -135KVA /54kV(frequency conversion)
Applicable to test products: cable, switch, transformer
Range of tested products: 35kV/300mm2 cable 1km,10kV/300mm2 cable 3km,10kV switch 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, AC withstand voltage test complete set, resonance boost device for inspection, series resonance withstand voltage tester.
Test subjects:
1, 35kV/300mm2 cable 1km AC voltage test, capacitance ≤ 0.1945UF, test frequency 30-300Hz, test voltage 52kV, test time;
2, 10kV/300mm2 cable 3km AC voltage test, capacitance ≤1.126uF, test frequency 30-300Hz, test voltage 22kV, test time;
3. Ac voltage withstand test of 10kV switch and transformer, test frequency 30-300Hz, test voltage does not exceed 42kV, test time.
● Technical parameters
1, product core parameters: rated capacity: 135kVA;
Input power: single-phase 220 or three-phase 380V voltage, frequency is 50Hz;
Rated voltage: 27kV; 54 kv;
Rated current: 5A; 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, excitation transformer JLB-7.5kVA/1.5/3kV/0.4kV 1
Rated capacity: 7.5kVA;
Input voltage: 0-400V, single phase;
Output voltage: 1.5/3kV
Structure: dry type;
Weight: about 48kg;
3, frequency conversion power BP - 7.5 kW / 220/380 v 1
Rated output capacity: 7.5kW
Power supply: 220/380±10%V (single/three phase), power frequency
Output voltage: 0 -- 400V, single phase,
Rated input current: 18.75A
Rated output current: 18.75A
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) -33.75kVA/27kV 4 sections
Rated capacity: 33.75kVA;
Rated voltage: 27kV;
Rated current: 1.25A;
Inductance: 100H/ single section;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 40kg;
5. One set of capacitor divider FY-60KV /1500pF
Rated voltage: 60kV;
High voltage capacity: 1500pF;
Dielectric loss: TG σ≤0.5%;
Partial pressure ratio: 1000:1
Measurement accuracy: effective value 1.5 level;
Weight: about 6kg;
