● Product Overview
Product name: 35kV (405kVA/54kV) frequency conversion cable series resonance
Product specifications: XSN (XZ) -405KVA /54kV (frequency conversion)
Applicable to test products: cable, switch
Range of tested products: 35kV/300mm² cable 3km, 10kV/300mm² cable 7km
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:
Ac voltage withstand test for 3km cable, capacitance ≤0.5835uF, test frequency 30-300Hz, test voltage 52kV, test time 60min.
Ac voltage withstand test of 10kV/300mm² cables for 7km cables, capacitance ≤2.62uF, test frequency 30-300Hz, test voltage 22kV, test time 5min.
● Technical parameters
1. Core product parameters:
Rated capacity: 405kVA;
Input power: single-phase 220 or three-phase 380V voltage, frequency is 50Hz;
Rated voltage: 27kV; 54 kv;
Rated current: 15A; 7.5 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 - kva / 1.5/3 22 kV / 0.4 kV 1
Rated capacity: 22kVA;
Input voltage: 0-400V, single phase;
Output voltage: 1.5/3kV
Structure: dry type;
Weight: about 80kg;
3, frequency conversion power BP - 22 v 1 kw / 220/380
Rated output capacity: 22kW
Power supply: 220/380±10%V (single/three phase), power frequency
Output voltage: 0 -- 400V, single phase,
Rated input current: 55A
Rated output current: 55A
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 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 6 sections
Rated capacity: 67.5kVA;
Rated voltage: 27kV;
Rated current: 2.5a;
Electric sensing: 50H/ single section;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 65kg;
5, capacitance divider FY-60KV /3000pF 1 set
Rated voltage: 60kV;
High voltage capacity: 3000pF
Dielectric loss: TG σ≤0.5%;
Partial pressure ratio: 1000:1
Measurement accuracy: effective value 1.5 level;
Weight: about 8kg;
