With the gradual implementation of ten industrial revitalization policies, the demand and application fields of relays in China will continue to grow. The traditional electromechanical relay will grow at a speed of about 8%, the development speed of solid state relay will remain at about 15%, and the special relay will develop rapidly at a speed of more than 20%.
To read moreIn our electric facilities, we often use a kind of electrical appliances is the relay, which is used in the automatic control circuit, is a switch of current operation, it has a conversion circuit, automatic regulation, safety protection role.Relays have different types according to their different working principles and structural characteristics.
To read moreThe purpose and classification of the control relay The control relay is an automatic electrical appliance which is suitable for remote switching and disconnecting ac and DC small capacity control circuits and is used for control, protection and signal conversion in the power drive system.The input of the relay is usually electric quantity such as current, voltage, etc., but it can also be non-electric quantity such as temperature, pressure, velocity, etc.
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The microcomputer protection device has become an indispensable part in the power station, and its role in the power station cannot be ignored.Therefore, in the choice of microcomputer protection...
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