Why Test Zinc Oxide Arrester Resistive Current
The zinc oxide arrester live tester can test the live or power failure detection of...
February 2026
sion932 Operation process of DC high voltage generator
(1) Connect the test product between the high-voltage output terminal and the ground terminal. (2)...
Principle and usage of DC high voltage generator
1. When the output voltage of the DC high-voltage generator is 200kV and above, although...
Microcomputer relay protection tester test
Three-phase microcomputer relay protection tester test steps: (1) Measurement of the action area and...
High current generator attention
Notes on using high current generator: 1. Working power: 220V/380V ±10% 50HZ 2. Ambient...
Commonly used thermal relay function
The thermal relay generates heat by the current flowing into the thermal element, which deforms...
Calibration of Insulation Resistance Testers
Before using the insulation resistance tester, first turn off the power of the device under...
Troubleshooting DC High Voltage Generators
The DC high voltage generator is the power department, the power department of factories and...
What is the use of insulation resistance tester
For the current power company, in the continuous development and normal work, it is necessary...
Field test method of DC resistance tester
Because the windings on the low-voltage side of the large transformer are connected in a...