● Product Overview
Product Name: 35kV (810kVA/130kV) frequency conversion cable series resonance
Product specifications: XSN (XZ) -810KVA /130kV(frequency conversion)
Applicable to test products: cable, switch
Product range: 35kV/300mm2 cable 5km, 110kV/630mm2 cable 1km
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 5km AC voltage test, capacitance ≤0.97uF, test frequency 30-300Hz, test voltage 52kV, test time 60min.
2, 110kV/630mm2 cable 1km AC voltage test, capacitance ≤0.201uF, test frequency 30-300Hz, test voltage 128kV, test time 60min.
● Technical parameters:
1. Core product parameters:
Rated capacity: 810kVA;
Input power supply: three-phase 380V voltage, frequency 50Hz;
Rated voltage: 54kV; 135 kv;
Rated current: 15A; 6 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-30kVA/2.5/5kV/0.4kV 1
Rated capacity: 30kVA;
Input voltage: 0-400V, single phase;
Output voltage: 2.5/5kV
Structure: dry type;
Weight: about 130kg;
3. One frequency conversion power supply bP-30KW /380V
Rated output capacity: 30kW
Power supply: 380±10%V (three-phase), power frequency
Output voltage: 0 -- 400V, single phase,
Rated input current: 75A
Rated output current: 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) -81KVA /27kV 10 sections
Rated capacity: 81kVA;
Rated voltage: 27kV;
Rated current: 3A;
Inductance: 34H/ single section;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 75kg;
5, capacitor divider FY-130KV /2000pF 1 set
Rated voltage: 130kV;
High voltage capacity: 2000pF
Dielectric loss: TG σ≤0.5%;
Partial pressure ratio: 1500:1
Measurement accuracy: effective value 1.5 level;
Weight: about 26kg;
