Disadvantages in the loop resistance tester test
At present, most loop resistance testers on the market adopt a typical fHV Hipot Electric...
April 2026
What is the value of the relay protection tester?
When choosing a relay protection tester (also known as a microcomputer relay protection tester), you...
Solve the problem of relay protection tester
Before the start of the relay protection test of the microcomputer relay protection tester, the...
Daily maintenance of on-load tap changer tester
With the wide application of on-load tap-changer testers in transformers below 110kv, transformer on-load tap-changer...
DC high voltage generator without doubler booster
The DC high voltage generator has over-current, over-voltage, zero-voltage start and fault protection functions. The...
Analysis of DC High Voltage Generator
The DC high voltage generator adopts a high-frequency voltage doubler circuit, applies the latest PWM...
Analysis of AC and DC high voltage meters
Instructions for use of AC and DC high voltage meters The AC/DC digital high-voltage meter...
Principle of Clamp Earth Resistance Tester
The clamp-shaped grounding resistance tester is a major breakthrough in traditional grounding resistance measurement technology,...
Precautions for partial discharge detection system
Precautions for partial discharge detection system 1. Before making any connection operations, first ground the...
Brief Analysis of DC Resistance Quick Tester
DC resistance can be summarized by a quick tester The DC resistance test of the...