How to maintain dry-type test transformer
Dry-type test transformers mainly rely on air convection cooling equipment. Therefore, it has good heat...
Technical Guide
Maintenance guide for gas-filled test transformers
The test transformer is the test equipment of the power equipment inspection and preventive test...
Interference in partial discharge test
Before the partial discharge test, the transformer should be vented and allowed to stand for...
Influencing factors of motor insulation failure
Degradation and decomposition The most common faults in electrical equipment are degradation and breakdown (flashover)...
Maximum range of grounding resistance tester
For electricians, they often use a clamp-on ground resistance tester to measure ground resistance. When...
Inaccurate grounding resistance readings
Analysis of inaccurate grounding resistance readings 1. Reasons for inaccurate detection of ground resistance or...
Interference relay protection tester
What are the factors that interfere with the microcomputer relay protection tester? 1. Electrostatic discharge...
Knowledge of partial discharge detection devices
The partial discharge detection device refers to the non-penetrating discharge that occurs between the electrodes...
Use loop resistance tester for correct operation
How to use loop resistance tester correctly 1. According to the fHV Hipot Electric Co.,...
Use of microcomputer relay protection tester
The microcomputer relay protection tester is an important power testing instrument to ensure the safe...