The detection of partial discharge is necessary because the series connection of photovoltaic modules will generate high DC voltage. High voltage and corresponding higher electric field strength will ...
The main components of track type terminal include insulating parts, screws, wire pressing frame, fixing parts, etc. All the metals we use are selected, processed and surface treated using the latest ...
Terminal block selection has always been a hot topic. For those who know the terminal model or have product pictures, you can directly ask the terminal sales personnel. But for the purchase with only ...
Large manufacturers at home and abroad usually choose foreign brands such as Phoenix and Weidmuller when purchasing terminals, naturally excluding domestic terminals. The reason is that they distrust ...
The resistance between them (including the resistance to the housing) must be less than 100 milliohm. The PE line (yellow green double color line) from the power supply side should be connected to the ...
The neutral wire in the distribution box belongs to the branch wire row. As the name implies, it plays the role of dividing wire. Take the household box in our house as an example, there are many neut ...
1. As far as the question is concerned, the brass bar is of course for the convenience of wiring. It is convenient to connect certain types of wires through terminal blocks or ordinary screws instead ...
The function of the neutral block is to connect the neutral line, so that the circuit forms a loop to ensure the normal operation of the electrical appliances. Generally speaking, the neutral block is ...
Whether the neutral line of each circuit in the distribution box needs to be connected to the neutralblock does not depend on the neutral block, but depends on the type of switch in the distribution b ...
The earth bar is used to connect the earth wire. The function of earth bar is to form earthing and finally form protection. That is to say, if there is leakage of some electrical appliances in the cir ...
