Main purpose: It can be used for on-site oil filtering and replenishment of various oil-immersed transformers, oil-immersed current and voltage transformers and high-voltage oil-le
Jul 18, 2021
The surface tension is mainly related to the density. The density of water is higher than that of oil, so it should be that the surface tension of water is higher than that of oil.
Jul 14, 2021
The 0.1Hz ultra-low frequency high voltage generator is a new type of ultra-low frequency AC test device that uses sine wave or cosine square wave as the output source. For the non
Jul 11, 2021
Relay protection is generally used in generating, transforming, and power distribution places. In fact, the earliest relay protection is a fuse. This kind of protection device that
Jul 08, 2021
The multifunctional electric energy meter field calibrator is a portable device specially designed and developed for on-site calibration sheets, three-phase active and reactive pow
Jul 07, 2021
Viscosity is one of the main indicators of petroleum products, and viscosity characteristics are an important factor affecting the biodegradability of base oils. Many domestic lubr
Jul 05, 2021
1) Clear sampling bottles or plastic bottles are not used for Transformer insulation oil sampling, Why? An amber glass bottle is the preferred container. Clear glass bottles may be
Jul 02, 2021
The vacuum circuit breaker is named after its arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum, and it is more pop
Jul 03, 2021
1. Common failure analysis and failure cause analysis 1. There is no display when booting up. Analysis of the cause of the failure: 1. The battery is exhausted 2. The instrument CP
Jun 29, 2021
What is transformer winding deformation? Transformer winding deformation refers to the irreversible change in the size and shape of the winding due to mechanical force and electrom
Jun 27, 2021
In the process of power equipment operation, when partial discharge occurs, all kinds of charged particles such as electrons, positive and negative ions, under the excitation of el
Jun 24, 2021
(1) When an electrical fire occurs, the first task is to cut off the power supply. When cutting off the power, pay attention to prevent new problems caused by pulling the isolating
Jun 22, 2021
