hvhipot Daily maintenance of partial discharge detector
Instruments such as partial discharge detectors are used in many industries, and because the frequency...
High Voltage Test Transformer Protection
High-voltage test transformers should pay special attention to their fire safety measures. 1. The...
Calibration of Insulation Resistance Testers
Before using the insulation resistance tester, first turn off the power of the device under...
High current generator attention
Notes on using high current generator: 1. Working power: 220V/380V ±10% 50HZ 2. Ambient...
Field test method of DC resistance tester
Because the windings on the low-voltage side of the large transformer are connected in a...
Notes on Transformer Partial Discharge Test
Power transformers mainly use oil-paper barrier insulation, which is composed of electrical paper layers and...
High current generator measuring circuit breaker
The high current generator measures the role of the circuit breaker in the circuit resistance....
Troubleshooting DC High Voltage Generators
The DC high voltage generator is the power department, the power department of factories and...
Microcomputer relay protection tester test
Three-phase microcomputer relay protection tester test steps: (1) Measurement of the action area and...
Commonly used thermal relay function
The thermal relay generates heat by the current flowing into the thermal element, which deforms...