Ground resistance tester use
Before the majority of electric power workers conduct high-voltage power tests outdoors, they generally need...
February 2026
hvhipot How to maintain dry-type test transformer
Dry-type test transformers mainly rely on air convection cooling equipment. Therefore, it has good heat...
Maintenance guide for gas-filled test transformers
The test transformer is the test equipment of the power equipment inspection and preventive test...
High voltage test transformer test
As a part of power lines, power cables are widely used because of their low...
Advantages of oil-immersed test transformers
Oil-immersed test transformers are widely used in power systems, industrial and mining enterprises and other...
Interference in partial discharge test
Before the partial discharge test, the transformer should be vented and allowed to stand for...
Inaccurate grounding resistance readings
Analysis of inaccurate grounding resistance readings 1. Reasons for inaccurate detection of ground resistance or...
Influencing factors of motor insulation failure
Degradation and decomposition The most common faults in electrical equipment are degradation and breakdown (flashover)...
Interference relay protection tester
What are the factors that interfere with the microcomputer relay protection tester? 1. Electrostatic discharge...
Maximum range of grounding resistance tester
For electricians, they often use a clamp-on ground resistance tester to measure ground resistance. When...