HVHIPOT Impulse Current Test System For Surge Arrester (GDCL-20kA)
Description
The fully automatic comprehensive test system of the impulse current device is mainly applied to the impulse current test of the lightning arrester device (lightning protection device). The use environment is indoors, the altitude is not more than 1500 meters, and the ambient temperature is -10 °C~40 °C. The relative humidity is not more than 90%.
GDCL-20kA impact generator body and discharge test rack platform.
1.Model: GDCL-20kA
2.Maximum charging voltage: ±100kV, maximum energy storage: 10kJ.
3.Capacitors: 1 iron-shell pulse capacitor (lightning impulse current)
4. Capacitor Capacitance: 2μF/80kV/7 units 10kJ
5.discharge ball gap: Φ80 pneumatic ball gap.
6. discharge ball gap ignition mode: pneumatic ignition.
7.basic circuit arrangement: straight line and star arrangement
8.mpulse current shunt
9. model: GF-1/20 tubular impact shunt
10.rated inrush current: 25kA
11.resistance value: 4mΩ
12.residual voltage divider
13. Model: RCF-10
14.rated voltage: 10kV
15. partial pressure ratio: 10kV/100V
16.DC charging power supply
17. Model: DY50kV/62.5mA DY15kV/1000mA
18. rated output voltage: ±100kV ±15kV
19. rated output current: 62.5mA 1000mA
20. polarity conversion: manual switching
GDCL-2000A automatic control system technical parameters
1 charging voltage: setting range 0~100.0kV, 0~15kV
2 working range: 10.0~80.0kV, 1kV~15kV
3 Setting deviation: ≤±1%
4 instability: ≤ ± 1%
5 tuning resolution: 0.1kV
6 charging time: setting range 5~180s
7 impact test interval: setting range 1~999s
8 tuning resolution 1s
9 trigger control: manual or automatic, can be set
10 Impact test times: Setting range 1~999 or 1~99999
11 protection settings:
11-1 charging overcurrent protection value, can be set
11-2 overvoltage protection value, can be set
11-3 dynamic charging protection, optional
11-4 static charging protection, can be set
| Impulse waveform |
| Short circuit current waveform |
8/20ms |
Allowable deviation
|
| Wavefront time |
8ms |
± 10% |
| Half peak time |
20ms |
± 10% |
| Current range |
1kA-10kA, Max. 12kA |
| Standard |
Waveform is smooth, accorded with IEC standard. |
Major loop |
Constant voltage charge |
Three level subsection, charging time |
Max. 40secs |
| |
Auto ground |
Electromagnet |
| |
Transformer |
AC 15kV/500VA |
| |
Rectification |
Half-wave rectification |
1pcs high voltage silicon stack |
| |
Polarity |
Positive or negative |
| |
Charging voltage measurement |
Resistive divider |
| |
Discharging loop |
capacitor |
15kV/16uf 1piece |
| |
|
capacity |
1800J |
| |
|
Wave-adjusting resistor 1piece |
| |
|
Wave-adjusting inductance 1piece |
| |
|
Discharge ball |
Control switch |
| Measurement |
Output voltage measurement |
Resistive divider |
| |
Output current measurement |
Rogowski coil
|
| |
Waveform record |
oscillograph TDS2012C |
| PC part |
PC |
Laptop or Table type IPC |
| |
Communication |
Fiber isolation |
| |
Measurement and control software |
Set charge voltage, discharge times, time interval, auto-setting oscillograph, auto-achieving oscillograph trace, calculating current and residual voltage peak value, calculating current wavefront time, half peak time, negative form vibrate, data and waveform auto-saving |
Control part |
Program control |
PLC |
| |
Preset discharge voltage |
0.5kV~28.0kV
Digital voltmeter, potentiometer, comparator |
| |
Charging voltage display |
DC voltage divider, digital voltmeter |
| |
Operation button |
Charging, HV on, HV off |
| |
Indicator light |
HV on |
Audited Supplier 
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