Function of insulation resistance test
Conduct regular insulation preventive tests on electrical equipment, which can promptly discover the local defects...
March 2026
The role of dielectric loss measurement
The dielectric loss measurement coefficient (tgδ) is an important parameter describing the performance of electrical...
Instruments for measuring ground resistance
The grounding resistance tester is a common instrument for testing and measuring grounding resistance. It...
What is a DC resistance tester
After installation, maintenance and replacement of the tap changer, the DC resistance test of the...
DC high voltage generator processing method
Troubleshooting Methods of DC High Voltage Generator 1. Failure phenomenon: After the power switch is...
How to use ground resistance measuring instrument
How to use ground resistance measuring instrument Preparation before use 1) Familiarize with the instruction...
Partial discharge tester detects defects
Judgment basis for partial discharge tester to detect defects 1. Judgment basis for defective parts...
Advantages of dry high voltage test transformer
If power workers want to boost the voltage, they need to use test transformers. Generally...
Precautions for insulation resistance tester?
Matters needing attention during the use of the insulation resistance tester: 1. Confirm that the...
Megger test procedure
1. Before measuring, keep the megohmmeter in a horizontal position, press the body of the...