● Product Introduction
Product name: No local discharge adjustable sense series resonance
Product specification: XSN (XZ) -150kVA/30kV
Applicable subject: generator set
Scope of test: Ac voltage test of generator set
● Product functions and functions:
(1) Help customers to achieve a variety of tested products of preventive ac pressure test and handover AC pressure test;
(2) Ac voltage withstand test to test the insulation ability of xLPE power cables, power transformers, GIS, transformers, insulators, generators, switches and other tested products to withstand various overvoltages and capacitive loads.
Product name: series resonance withstand voltage test complete set of equipment, AC withstand voltage test complete set of equipment, resonance boost device for inspection, series resonance withstand voltage tester
Test object: generator without local discharge AC voltage withstand test, the highest test voltage is not more than 24kV, single phase to ground power capacity of 0.4-1.2uF
Test power supply and L, Cx relationship (Cx is the capacitance of the tested product) : the capacitance range of the tested product is 0.18~0.53uF, and the reactor can be adjusted within 19H~55H;
● Technical parameters
System configuration and parameters
Rated capacity: 150kVA;
Rated voltage: 30kV;
Rated current: 5A;
Working frequency: 50Hz;
Output voltage waveform distortion rate: ≤0.5%;
Allowed continuous working time: 60min under rated load;
Temperature rise ≤65K after 60min continuous operation under rated load;
Device quality factor: Q≥10;
System local volume: ≤50pC;
System measurement accuracy: effective value 1.5 level;
Input power: single phase 380V voltage, frequency 50Hz;
Over current, over pressure and flashover protection for the tested product;
Ambient temperature: -100C -- 50C, relative humidity: ≤90%RH, altitude ≤1000 meters;
No local discharge resonant operating station:
1 CZT (W) -20kVA/380V (including voltage regulator) resonant operating station without local discharge
Rated capacity: 20kVA;
Input voltage: 380V;
Output voltage: 0~420V;
Local volume: ≤50pC;
Protection function: zero, over current, over voltage and flashover protection;
Weight: about 80kg;
Non-local discharge excitation transformer:
No local discharge excitation transformer JLB (W) -20kVA/4kV/0.4kV 1
Rated capacity: 20kVA;
Input voltage: 400V, single phase;
Output voltage: 4kV
Structure: oil type
Local volume: ≤50pC;
Weight: about 120kg;
Temperature rise of coil to air after rated operation for 60 minutes: ≤65K;
Isolation transformer without local discharge:
1 GLB (W) -20kVA/0.44kV/0.4kV isolation transformer without local discharge
Rated capacity: 20kVA;
Input voltage: 440V, single phase;
Output voltage: 400V;
Local volume: ≤50pC;
Structure: oil type
Weight: about 75kg;
Temperature rise of coil to air after rated operation for 60 minutes: ≤65K;
Adjustable reactor without local discharge:
No local discharge adjustable reactor DK (W) -150kVA/30kV 1
Rated capacity: 150KVA;
Rated voltage: 30kV;
Rated current: 5A;
Adjustable inductance: 19H~55H;
Quality factor: Q≥10;
Local volume: ≤50pC;
Structure: oil type;
Quantity: 1 set;
Weight: about 300Kg;
Non-local discharge compensation reactor:
One FY (W) -30KV divider without local discharge
Rated voltage: 30kV
Measurement accuracy: AC effective value 1.5 level;
Dielectric loss: TG σ≤0.5%;
Local volume: ≤50pC;
Partial pressure ratio: 1000:1, partial pressure ratio error: ≤1.0%;
Weight: about 15Kg;
