When using series resonance in the field withstand voltage test, why sometimes the resonance point cannot be found? We summarized based on his own years of experience. The main rea
Nov 13, 2021
1. When the machine is turned on, the indicator light of the power switch is off. Please check whether the fuse core of the power board is fused. 2. When the device is boosting, th
Nov 11, 2021
Dielectric loss measurement is a very basic method in the insulation test, which can effectively find the overall damp deterioration and deterioration of the insulation of electric
Nov 09, 2021
1. When the power switch is turned on, the digital display on the control box does not light up. Please check the power connection and all fuses. If the fuse is damaged, please rep
Nov 08, 2021
The correct way to use the DC high-voltage generator Although the test personnel wear insulated shoes, when the DC high-voltage generator is 200kV and above. And it is outside the
Nov 05, 2021
Zinc oxide arrester is mainly a kind of equipment widely used below 1000KV. A common lightning protection device mainly used to prevent lightning waves from damaging the electrical
Nov 07, 2021
Maintenance method of battery internal resistance tester failure Step 1: Use a battery internal resistance tester to regularly test the internal resistance of the battery to find o
Nov 04, 2021
1. Non-linear problems existing in power system components The non-linear problems of components in the power supply system include: harmonics generated during normal operation of
Nov 03, 2021
The presence of moisture and vigorous stirring are the main reasons for the emulsification of oil products. Oil and water are incompatible, and the density of oil is lower than tha
Nov 02, 2021
1. The alarm light is on between a certain phase socket of the microcomputer relay protection tester, and there is an alarm sound: the current of this phase is open or the load exc
Nov 01, 2021
Power quality refers to the quality of ac power supplied to users through the public grid. Generally speaking, it refers to the power quality of the grid lines. Power quality probl
Oct 29, 2021
The four main categories of oil purifiers are: ordinary oil purifiers, vacuum oil purifiers, centrifugal oil purifiers, and gearbox dialysis machines. According to different oil pr
Oct 27, 2021
