Technical Support

What causes overheating of live equipmen

In actual use, if the live equipment is overheated, it may be caused by the following points.1. Core...

2022-08-12

How important is the grounding resistanc

As we all know, in order to ensure the safety of the circuit during the operation of the power syste...

2022-08-11

How to select DC resistance tester?

The transformer DC resistance tester is subdivided into 1A , 3A, 5A, 10A, 20A, 40A, 50A, 100A and ot...

2022-08-11

Cause analysis of high voltage cable fau

High voltage cable is a kind of power cable, which refers to the power cable used to transmit 1kV to...

2022-08-05

Main causes of circuit breaker failure

1. Circuit overloadCircuit overload is one of the main reasons for the frequent tripping of circuit ...

2022-08-04

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