Reasons for failure of test transformer
1) Short-circuit damage accident. Transformers suffer from various short-circuit accidents during operation, such as single-phase-to-ground,...
March 2026
hvhipot Test method of transformer
Transformer test method A) Test wiring AC withstand voltage test wiring is applied...
Common faults of high current generators
High-current generator failure phenomenon one: no display at startup Cause Analysis: 1. The...
DC resistance and insulation resistance
What is DC resistance? DC resistance is the resistance that a certain amount of DC...
The correct test method of megohmmeter
When the megohmmeter measures the insulation resistance of electrical equipment to ground, the correct wiring...
How to use insulation resistance meter
Insulation resistance meter, also known as shaking meter, megohm meter, is mainly used for measuring...
What test does the DC high voltage generator do?
The DC high-voltage generator is mainly used for the power sector of the power sector,...
What are the methods for high pressure test?
1. About the system of power frequency AC test The test method of power frequency...
Operation of transformation ratio group tester
When operating the transformation ratio group tester, in order to protect the safety of personnel...
Precautions for double clamp phase meter?
The dual clamp phase meter is a portable meter with a variety of power measurement...