Portable AC High Withstand Voltage Tester AC Induction Resonant Test System AC Hipot Tester for Cable Test

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Product Overview

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Technical Parameter


PRODUCT INFORMATION
Product Name
AC RESONATING HIGH POTENTIAL TESTER

Model Number
VS-CLXZ
Output Voltage
0 ~ 1000 kV
Output Frequency
30 ~ 300 Hz
Voltage Waveform
Pure sine wave
Quality Factor
30 ~ 90
Certificates
CE; EMC; LVD; ISO; IEC;
Working Power
220V / 380V ± 15%, 50Hz ± 5%

*Typical Application
AC withstand voltage test of:
* 6 ~ 500 kV crosslinking polyethylene cable.
* 35 ~ 500 kV GIS.
* 10 ~ 500 kV switch, bus, casing. 
* 10 ~ 500 kV power transformer.
* 10 ~500 kV PT and CT.
* generator.
* 10 ~ 500 kV power capacitor.
...


Products Description


AC insulation testing provides the ideal solution to testing these lighter cables. AC insulation testing better simulates the
day-to-day stresses undergone by power systems, including frequencies like 50/60 Hz, without causing the insulation breakdown common in DC testing. Additionally, AC testing won’t affect XLPE cables when used for over-potential testing, to an agreed acceptable insulation resistance value.




1. One inverter power supply:
Rated power: 10 kW
Input voltage: three-phase 380 V or single-phase 220 V±5% 50 Hz
Output voltage: 0~400 V adjustable
Output voltage frequency: 30~300 Hz
0.1 Hz step adjustable
Frequency instability≤0.02%
Output current: 0~25 A
2. High voltage reactor (four sets in total):
Rated working voltage: 50 kV
Rated working current: 1 A
Rated inductance: 115 H
Continuous working time: 60 min
Temperature rise: less than 65 K
Working frequency: 30~300 Hz


3. Excitation transformer (one set):
Rated capacity: 10 kVA
Input voltage: 400 V
Output voltage: 3/6/12 kV
Output current: 3.3/1.7/0.8 A
4. One capacitor divider:
Own electric capacity: 600 pF
Rated voltage: 200 kV
Working frequency: 30~300 Hz
Uncertainty: 1.5%
Rated voltage: 200 kV/600 pF


5. One compensation reactor:
Own electric capacity: 8000 pF
Rated voltage: 120 kV
Working frequency: 30~300 Hz
Uncertainty: 1.5%
Rated voltage: 120 kV/8000 pF
6. One set of test line.


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