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...
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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...
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,...
Oil immersion test transformer leakage test
Operation steps of oil immersion test transformer leakage test: 1. Before testing, check whether the...
Notes on operation of DC resistance tester
Note for DC resistance tester: 1. Be sure to reset before measuring the reverse tapping...