The power frequency withstand voltage test device is designed in accordance with the latest national power industry standards. It is an advanced voltage withstand test device used to conduct insulation strength tests under specified voltages on various electrical products and insulating materials, and find the test product Insulation defect, the ability to measure over-voltage, this device combines advanced technology of modern digital frequency conversion, using a microcomputer to control the voltage step-up, step-down, measurement, protection is fully automated, it has a small size, light weight, and can display the output waveform, Print the test report.
The power frequency withstand voltage test device uses a mechanical method to modulate and demodulate to generate ultra-low frequency signals, so the sine wave waveform is not standard, the measurement error is large, the high voltage part has spark discharge, the equipment is bulky, and the sine wave is two or four. The quadrant also needs high-power high-voltage resistance for discharge shaping, so the overall power consumption of the power frequency withstand voltage test device is relatively large. The principle of magnetic induction is used to obtain the required test high-voltage voltage value. Various large-scale power transformers, power cables, steam turbines, hydro-generators and other capacitive equipment must be strictly and regularly subjected to AC withstand voltage tests, which are widely used in power manufacturing. Departments, power operation departments, scientific research units and many other places.
The power frequency withstand voltage test device mainly has the following uses:
1. Power frequency withstand voltage test of transformer;
2. AC withstand voltage test of the switch;
3. The AC withstand voltage test of the generator can also be applied to the AC withstand voltage test of other electric high voltage equipment similar to the transformer;