●Product introduction
Product name: 18kV/300MV thermal power generator set power frequency modulation series resonance
Product specifications: XSN (XZ) -160kVA/40kV
Applicable test product: thermal generator
Test product range: AC withstand voltage test of 18kV/300MW thermal power generator
Product functions and functions: 1. Help customers realize 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, inspection resonant booster device, series resonance withstand voltage tester.
Test object: AC withstand voltage test of 18kV/300MW thermal power generator, the highest test voltage does not exceed 39kV, and the single-phase ground capacitance is not more than 0.3uF
●Technical parameters
Main technical parameters and functions of the system
Rated capacity: 160kVA;
Rated voltage: 40kV;
Rated current: 4A;
Working frequency: power frequency 50Hz;
Distortion rate of output voltage waveform: ≤0.5%;
Allowed continuous working time: 5min under rated load;
The temperature rise after continuous operation for 5 minutes under rated load is ≤65K;
Quality factor: Q≥10;
System measurement accuracy: effective value level 1;
Input power: single-phase 380V voltage, frequency 50Hz;
The test product has overcurrent, overvoltage and test product flashover protection;
Ambient temperature: -100C -50 0C, relative humidity: ≤90%RH, altitude ≤1000 meters;
Product configuration and parameters:
1. Excitation transformer JLB-16kVA/4kV/0.4kV one set
Rated capacity: 16kVA;
Input voltage: 400V, single phase;
Output voltage: 4kV
Structure: dry
Weight: about 80kg;
The temperature rise of the coil to the air after 1 minute of rated operation: ≤65K;
2. Resonant console CZT (XZ)-16kVA/380V One
Rated capacity: 16kVA;
Input voltage: 380V;
Output voltage: 0~420V;
Protection function: zero position, over current, over voltage and test product flashover protection;
Weight: about 90kg;
3. Adjustable reactor DK-160kVA/40kV one set
Rated capacity: 160kVA;
Rated voltage: 40kV;
Rated current: 4A;
Adjustable inductance: 33.5H~84H;
Quality factor: Q≥10;
Structure: dry type;
Number: 1 unit;
Weight: about 120kg;
4. One set of AC/DC voltage divider JZL-40kV
Rated voltage: 40kV;
Measurement accuracy: AC effective value 1.5;
Dielectric loss: tgσ≤0.5%;
Partial pressure ratio: 1000:1,
Error of partial pressure ratio: ≤1.0%;
Weight: about 15kg;
5. One set of compensation capacitor BC-40kV/0.15uF
Rated voltage: 40kV;
Electric capacity: 0.15uF
Weight: 25kg