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...
Measurement principle of clamp resistance meter
1、 Measurement principle of clamp resistance meter, grounding resistance tester Clamp on resistance meter is...
Insulation resistance of high-voltage equipment
Insulation performance tests must be conducted on electrical equipment, especially high-voltage electrical equipment, during commissioning...
Power-Frequency Withstand Voltage Test
Power frequency high voltage, test transformer, control box 1. When conducting high-voltage AC/DC tests,...