More information about it on website:http://xaapt.com/2012/0921/14.html


1.Description:

The resonant withstand test set is specially designed for AC withstand test of 150KV cable and 150KV&500KV GIS. The whole test set consists of variable frequency power source, excitation transformer, 4 pieces of inductors, and high voltage detector(capacitive voltage divider).

2.Product Features:
Variable frequency resonance type
Test both cable and GIS with different connections.
Creative design, High Voltage Tester not only one instrument to measure high voltage, but as one capacitor to compose the test set.
Manual or Automatic Test Mode
Q value more that 30
Over Current Protection , Over Voltage Protection, Atc Protection for Tested Object
Output Wave: Sine Wave，Wave Aberration Rate≤1%

3.Test Object & requirements:

XLPE Cable, Rated Voltage150kV ,estimate length 1000 meters(1000mmsq), Equivalent capacity≤0.22uF, Test Frequency:30～300Hz, Test Voltage:160KV

150KV GIS, Test Frequency:30～300Hz ,test voltage 275KV

500KV GIS, Test Frequency:30～300Hz ,test voltage 596KV

4.The Test Set Composed of:

Exciting Transformer, 60kVA/6kV/12kV/24KV, oil immersed,1 piece, about 350Kg
Variable Frequency Power Supply, 60kW/380V,1 piece, about 150Kg
High Voltage Inductor,400KVA/160KV,4 PCS, oil immersed , 500Kg/piece
High Voltage Dividerr,350KV/400pf, 2 pieces, about 45Kg

5.Main Specifications:
Rated Capacity:1600KVA
Input: 3-phase,380V,50Hz
Rated Voltage:160KV,320KV,640KV
Rated Current:10A, 5A,2.5A
Test Frequency: 30～300Hz
Output Wave:Sine Wave
Wave Aberration Rate≤1%
Duration: Rated test object,60 minutes, Over Voltage 110% 60 seconds( For single HV inductor,over voltage 120% 60 second, for whole set, over voltage 110% 60 second)
Temp.Rise: Rated test object,60 minutes continuous operation, less than 65K
Q Value ≥30(f=45Hz)
Over Current Protection , Over Voltage Protection, Arc Protection for Tested Object
Measuring Accuracy: RMS1.5%
Temp. 0℃ ～45℃
RH≤90%,No dew
Altitude≤1000m