Simple operation of the relay protection tester
Usually when choosing a tester, you also need to understand a lot of details before...
April 2026
hvhipot Calibration method of on-load tap changer tester
On-load tap changer tester (also known as on-load switch tester) is one of the main...
Non-standard operation of relay protection tester
Before the relay protection test of the microcomputer relay protection tester, the operator should analyze...
Disadvantages in the loop resistance tester test
At present, most loop resistance testers on the market adopt a typical fHV Hipot Electric...
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...