120kV AC Digital Hipot Test Set with 10kV Tap
I. General information
GDYD series AC Hipot Test Set is composed of manual control unit and AC oil testing transformer (HV unit) which output AC voltage smoothly. Meanwhile, it has many monitoring and protection functions.
II. Features
- Digital display meters mounted on the panel.
- Monitoring HV side voltage, HV side current, LV side current and indicator of zero, power, working start, timing.
- Over-current protection, zero-starting protection, sound, and light alarm.
- With new type time relay, time rang is wider (1S ~ 99H).
- Using the latest current relay, more accurate and reliable.
- Light weight, small size, easy to move.
III. Specifications
A. Control unit specifications
- Power: AC 220V, 50Hz
- Capacity: 10kVA
- Output voltage: AC 0-250V
- Rated output current: 50A
- HV voltmeter range: 0-120kV, Accuracy: 3.0%
- HV ammeter range: 0-100mA, Accuracy: 3.0%
- LV ammeter range: 0-50A, Accuracy: 3.0%
- Timing range:1s-99h
- Weight: approx. 39kg
- Dimension: 460mm (L)*360mm (W)*510mm (H)
B. Testing transformer (HV unit) specifications
- Input voltage: 0-200V
- Input current: AC 0-50A
- Output voltage: AC 0-120kV, 0-10kV
- Output current: AC 0-83.3mA, 0-1000mA
- Capacity: 10kVA
- HV side/LV side turns ratio: 600:1
- Measuring voltage: AC 0-100V, Accuracy: 1.0% of the reading±1 digit (F.S)
- No-load current: <15%
- Impedance voltage: <20%
- Weight: approx. 140kg
- Dimension: 400mm(L)*500mm (W)*1110mm(H)
C. Protective resistor 120kV
- Rated voltage: 120kV
- Resistance: 10kΩ
D. Working conditions
- Working place: No gas, steam, chemical dust, and explosive and corrosive medium which will influence insulation.
- Environment temperature: -20-50ºC
- Environment humidity: ≤85% RH (no condensing)
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