Measure insulation resistance using a megohmmeter
What is the relationship between the output short-circuit current of a megohmmeter and the measured...
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hvhipot The use of clamp type grounding resistance tester
There are many ways to use a clamp type grounding resistance tester. How to use...
How to use a megohmmeter correctly
A megohmmeter, also known as a shaker or insulation resistance tester, is a simple and...
AC/DC dual-purpose test transformer
This morning, a customer called to inquire: ‘After completing the AC voltage withstand test, when...
Test items for power transformers
Test equipment, high-voltage megohmmeter DC resistance rapid tester, fully automatic ratio group tester, transformer...
How to phase distribution transformers on site?
Checking the phase of distribution transformers is a routine task in the power system. The...
Misconceptions in the operation of a megohmmeter
Abstract: Regarding the insulation value of 10kV transformers measured by shaking, there are three misconceptions...
Related knowledge of series resonance
1、 Definition In a series circuit composed of resistors, inductors, and capacitors, when the capacitive...
Classification of voltage withstand test
1. DC withstand voltage test The DC withstand voltage test has a high voltage and...
Basic knowledge of transformers
Transformers are almost used in all electronic products, and their principle is simple. However, the...