The service life of the loop resistance tester
To find out how many years the service life of a loop resistance tester is,...
Technical Guide
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,...
Basic Principles of Triple Frequency Generator
The triple frequency power generator is designed to meet the triple frequency induction withstand voltage...
What is the loop resistance tester used to test
1. Loop resistance tester is also called contact resistance tester or switch loop resistance tester....
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...
Operation of transformation ratio group tester
When operating the transformation ratio group tester, in order to protect the safety of personnel...