●Product introduction
Product name: 220kV transformer induction withstand voltage test device
Product specifications: XSN (DBP)-20kVA
Applicable test product: Transformer
Scope of tested products: Inductive withstand voltage test of 220kV and below voltage class transformers
●Product role and function:
1. Help customers to achieve preventive AC withstand voltage test and handover AC withstand voltage test of various tested products;
2. Test cross-linked rubber-plastic power cables, power transformers, GIS, transformers, insulators, generators, switches and other test products insulation withstand various overvoltage capabilities and AC withstand voltage test for capacitive loads.
Product nicknames: series resonance withstand voltage test equipment, AC withstand voltage test equipment, resonant booster device for inspection, series resonance withstand voltage tester.
Test object: Meet the inductive withstand voltage test of 220kV and below voltage transformer.
●Technical parameters
1. Product core parameters:
Device capacity: 20kW
Input voltage: AC, three-phase, 380V±10%
Power frequency: 50Hz
Output voltage: 0 ~ 400V
Output frequency: 50Hz, 100Hz, 150Hz, 200Hz (optional).
Waveform distortion rate: <3%.
Protection function: overcurrent, overvoltage and flashover protection for the tested product (see the frequency conversion power supply section for details);
2. Multi-frequency DBP-20kW/380V 1 unit
Rated output capacity: 20kW
Working power supply: 380±10%V (three-phase), power frequency
Output voltage: 0 -400V, single phase,
Rated input current: 50A
Rated output current: 50A
Noise level: ≤50dB
Weight: about 12kg
3. Compensation reactor DK-8mH/14mH/20mH/300V 1 section
Rated capacity: 7.5kVA/4.8kVA;
Rated voltage: 300V;
Rated current: 25/25/16A;
Inductance: 8/14/20mH/single cell;
Quality factor: Q≥30 (f=45Hz);
Structure: dry type;
Weight: about 25kg
