High-voltage switch mechanical failure detection
At present, the detection methods for mechanical faults of high-voltage switches are basically mature, and...
2026
Power frequency withstand voltage test method
Operation method of AC power frequency withstand voltage test of oil-immersed test transformer 1. Reliably...
Insulation resistance tester operation test steps
1. Preparation Note: When using the meter for the first time, it needs to be...
Testing method of winding deformation tester
The frequency response method test method of transformer winding deformation tester. Transformer winding deformation tester...
Judge the failure of DC high voltage generator
The DC high voltage generator provides a DC high voltage series resonance, which is specially...
Matters needing attention in test transformer test
Test transformers are suitable for power systems, industrial and mining enterprises, scientific research departments, etc....
DC high voltage generator discharge steps
guarantee The insulation has a certain degree of electrical strength, including DC withstand voltage, AC...
Preparation work before megger measurement
Insulation resistance meter is also abbreviated as megohmmeter. Nowadays, digital megohmmeter is commonly used. It...
Withstand voltage test steps and result judgment
Pressure test steps for oil-immersed test transformers During the test, the following steps should be...
The use of high voltage generator discharge rod
1. Reference to the use of supporting current-limiting resistors for DC high-voltage generators. Theoretically, current-limiting...