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What is an Electromagnetic Relay ?

Encyclopedia
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China


What is an Electromagnetic Relay ?


Electromagnetic Relay Definition


An electromagnetic relay is a switch that uses an electromagnet to mechanically operate a switching operation, essential in various electrical protection systems.


 

Operation Principles


The working of electromagnetic relays involves principles like magnitude and ratio measurement, essential for understanding their functionality in electrical systems.


 

Types of Relays


  • Attracted Armature type relay

  • Induction Disc type relay

  • Induction Cup type relay

  • Balanced Beam type relay

  • Moving coil type relay

  • Polarized Moving Iron type relay


 

 

 

Induction Disc Operation


Induction disc relays generate motion and operate based on the interaction of magnetic fields and a rotating disc, a key component in energy measurement.


 

Relay Applications


Electromagnetic relays are crucial in managing electrical circuits by providing over-current protection, voltage regulation, and system stability.



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