Safety measures before high voltage test
Insulation defects of high-voltage test transformers are an important factor that causes failures between enterprise...
Technical Guide
Partial discharge acoustic emission detection
The substation is an important part of the power transmission system, and the transformer is...
Several methods of circuit breaker testing
1) Use electromagnetic oscillator or drum instrument. When the early oil switches were tested for...
What are the partial discharge test procedures?
Partial discharge test samples should be pretreated in accordance with relevant regulations: keep the surface...
How to operate the ratio tester?
operating 1. Wiring: Connect the terminals of the instrument (A, B, C, a, b, c)...
DC resistance detection of transformer winding?
The transformer is one of the indispensable electrical equipment in the power system, and it...
How to choose the test transformer capacity?
Among the electric power test workers, there are many electric power test workers who are...
Maintenance of inflatable test transformer
Precautions for inflatable test transformer: The layout of the test equipment should have a sufficient...
Precautions for winding deformation tester
(1) Before use. Please check the appearance of the tester first. Check whether the position...
Common abnormalities of loop resistance tester
The loop resistance tester will inevitably encounter various abnormal problems in HV Hipot Electric Co.,...