●Product introduction
Product Name: 10.5kV/100MV Hydroelectric Generating Unit Power Frequency Modulated Induction Series Resonance
Product specifications: XSN (XZ) -360kVA/30kV (power frequency)
Applicable test product: Hydroelectric generating set
Range of tested products: Power frequency AC withstand voltage test of 10.5kV/100MVA hydroelectric generating set, the highest test voltage does not exceed 23kV, and the single-phase ground capacitance does not exceed 1.6uF
●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, inspection resonant booster device, series resonance withstand voltage tester.
Test object: power frequency AC withstand voltage test of 10kV/100MVA hydroelectric generating set, the highest test voltage does not exceed 23kV, and the single phase ground capacitance is not more than 1.6uF
●Technical parameters
1. Product core parameters:
Rated capacity: 360kVA;
Rated voltage: 30kV
Rated current: 12A
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;
The quality factor of the device itself: Q≥30;
System measurement accuracy: effective value 1.5;
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;
2. Excitation transformer JLB-30kVA/2.5kV/0.4kV 1 set
Rated capacity: 30kVA;
Input voltage: 400V, single phase;
Output voltage: 2.5kV
Structure: dry
Weight: about 120kg;
The temperature rise of the coil to the air after 1 minute of rated operation: ≤65K;
3. Resonant console CZT (XZ) -30kVA/380V (including voltage regulator) 1 set
Rated capacity: 30kVA;
Input voltage: 380V;
Output voltage: 0~420V;
Protection function: zero position, over current, over voltage and test product flashover protection;
Weight: about 100kg;
4. Adjustable reactor DK-360kVA/60kV 1 unit
Rated capacity: 360kVA;
Rated voltage: 60kV;
Rated current: 12A;
Adjustable inductance: 6H~20H;
Quality factor: Q≥10;
Structure: dry type;
Weight: about 200kg;
5. AC/DC voltage divider JZL-30kV 1 set
Rated voltage: 30kV
Measurement accuracy: AC effective value 1.5;
Dielectric loss: tgσ≤0.5%;
Partial pressure ratio: 1000:1,
Error of partial pressure ratio: ≤1.5%;
Weight: about 10kg;
6. Compensation capacitor BC-30kV/0.55uF 1 set
Rated voltage: 30kV
Electric capacity: 0.55uF
Weight: 50kg
