Features:
- Provides test security with separator structure
- Detects leakage current in real time
- Alarm value can be set freely
- Test time, leakage current and voltage can be displayed simultaneously
- Audible and visual alarm
- High voltage breakdown protection
- The DC output terminal can measure the capacitor leakage current, the inverse current of the silicon oil, the reverse voltage of the transistor.
Technical Parameters:
Model | Output Voltage | Tripping Current | Test Time | Trans former | Accuracy |
MT74 BXE | (0 – 30)kV (AC/DC) | (0 ~ 20/10)mA (AC/DC) | (1 – 99)s | 600 VA | ± (5%+3) |
MT74 CXE | (0 – 50)kV (AC/DC) | (0 – 20/10)mA (AC/DC) | (1 – 99)s | 1000 VA | ± (5%+3) |
GENERAL INFORMATION
What is High Voltage Test?
High Voltage Testing is done as a way to check the effectiveness of the insulation of the device to ensure it will operate safely during rated electrical conditions.
Why is High Voltage Test Done?
It is a high voltage test during maintenance programs to demonstrate that equipment can withstand surge voltages during operation. An overvoltage is usually applied between the primary and secondary of the transformer or between the secondary and ground for 60 seconds.
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