Date：2024-12-09
First, a preliminary understanding of complete sets of electrical equipmentAs a quotation officer of complete electrical equipment, we must first understand what is called complete electrical equipment.The complete set of electrical equipment refers to the complete equipment composed of the shell, bus, primary and secondary components, auxiliary materials, etc., which operates in the power grid and plays the role of accepting and distributing electric energy, and plays the ro···
Date：2024-12-09
The leakage circuit breaker switch is called residual current protection device (hereinafter referred to as RCD), which is a kind of air with special protection function (leakage protection). The residual current is measured, that is, the algebraic sum of the instantaneous values of the current of the phase and neutral lines in the protected loop. To this end, the setting value of RCD, that is, its initial action current IΔn, only needs to avoid the normal leakage current va···
Date：2024-12-09
Recently, most cities in the north have heavy rainfall weather, the rainstorm brought not only precipitation, but also property and personal losses, lasting rainstorm weather, then we should be cautious in the use of electricity. According to reports, the reporter saw in a farmer's home that the electricity lines of the household were chaotic. Even the minimum household residual current action protector and knife brake are not installed. The reporter immediately informed ···
