What is the purpose of the resistance box? The resistance box is a box type resistor. It is formed by several fixed-value resistors with different resistances connected in a certain way. Next, the edi...
What is the principle of the shunt The shunt is used to measure DC current, and is mainly made based on the principle that a voltage will be generated across the resistor when the DC current passes th...
Do you know the basic working principle of signal relay The basic working principle of the signal relay, the single phase meter shunt is a commonly used device in the automatic control system. It is g...
What are the common problems of relays 1. The relay is not disconnected 1) The load current is greater than the rated switching current of the SSR, which will permanently short-circuit the relay. At t...
A relay is a component that produces a predetermined jump in one or more of its output when the input reaches the specified conditions. The electromagnetic relay can be simply understood as a switch ...
What is the purpose of current transformer Current transformers are very similar to transformers. Transformers are mainly used to change the voltage of the line on the line, while current transformers...
Haiyan Weijia Electric Technology Co., Ltd. was established in 2008 with a registered capital of 20 million yuan, the company covers an area of 13 acres, with a total construction area about 12,000 square meters and more than 300 employees.
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