Loop resistance technical issues
1 High-power resistance standard resistor High-power resistance standard resistors can be roughly divided into three...
March 2026
Precautions for the use of dry-type transformers
The test transformer is also called a booster. It is a necessary equipment for the...
The service life of the loop resistance tester
To find out how many years the service life of a loop resistance tester is,...
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,...
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,...