Abnormal noise from the DC resistance tester
When the transformer DC resistance tester is in normal operation, it will emit a continuous...
Potential drop method of ground resistance tester
To measure resistance, we use a ground resistance tester to apply a voltage between its...
Reasons for the change in insulation value
Reasons for the change of the insulation value when the insulation resistance tester performs the...
Connection of partial discharge test circuit
(1) Standard test circuit, also known as parallel method. It is suitable for the test...
DC high voltage generator test efficiency
With the large-scale deployment of DC transmission projects, the number and frequency of DC high-voltage...
High efficiency of partial discharge detector
Partial discharge detector test digital partial discharge detection system can detect machine failure, vibration, leakage...
Why use a power quality analyzer
Power quality refers to the quality of AC power supplied to users through the public...
The core device of the DC resistance tester?
I. Overview The transformer DC resistance tester is based on a high-speed microcontroller, using high-speed...
Insulation resistance tester battery replacement
1. Battery inspection and replacement When the instrument is connected to the power supply, if...
Operation of DC withstand voltage and leakage test
It is mainly used for DC withstand voltage and leakage test of zinc oxide arresters,...