Field test method of DC resistance tester
Because the windings on the low-voltage side of the large transformer are connected in a...
Technical Guide
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...
Commonly used thermal relay function
The thermal relay generates heat by the current flowing into the thermal element, which deforms...
Operation process of DC high voltage generator
(1) Connect the test product between the high-voltage output terminal and the ground terminal. (2)...
Principle and usage of DC high voltage generator
1. When the output voltage of the DC high-voltage generator is 200kV and above, although...
Microcomputer relay protection tester test
Three-phase microcomputer relay protection tester test steps: (1) Measurement of the action area and...
Generation of partial discharges in transformers
Partial discharge is mainly discharged under the action of high voltage through high-voltage electrical engineering...
How to use the ground resistance tester
(1) Before the measurement, arrange the ground electrode E’ to be measured with the potential...