Double clamp method of ground resistance tester
The advantages of the measurement principle of the ground resistance tester method are: First, the...
Technical Guide
How to use insulation resistance tester
1. Before using the insulation resistance tester. Before unpacking and use, it needs to be...
Measuring method of insulation resistance meter
1. Measuring method of insulation resistance meter: (1) Wiring method When measuring the insulation resistance...
DC resistance tester to measure and discharge
The DC resistance tester is a relatively common high-voltage electrical test equipment. It is mainly...
DC resistance tester measuring circuit
The measurement loop is mainly from the constant current series resonance outputting a stable current...
Common problems of DC resistance tester
Common problems encountered by DC resistance testers: 1. Burn insurance at boot Generally, this kind...
The measured resistance is too large
The reason and solution for the large resistance value of the earth grid grounding resistance...
Precautions for transformer capacity tester
1. The transformer capacity characteristic tester does not allow the no-load tap changer to be...
Failure Analysis of High Voltage Test Transformer
The high-voltage test transformer is suitable for the power system to conduct the insulation strength...
Current method of zinc oxide arrester tester
We know that under the excitation of sinusoidal voltage, the leakage current of the zinc...