Coil Design: 24V DC 200W | Technical Assistance

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The discussion focuses on designing a coil for a 24V DC supply with a maximum power of 200W, specifically for use in 33kV vacuum circuit breakers (VCBs) as a tripping coil. Key considerations include the coil's inductance, DC resistance, and saturation current, rather than just power rating. The user specifies a tolerance for series resistance at 2.9 ohms. Participants emphasize that the coil design must account for these electrical parameters to ensure proper functionality. Overall, the design must balance these technical requirements for optimal performance in the intended application.
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I need a technical assistance in designing of a coil which will work on 24V DC supply with a maximum wattage of 200W suggest me the coil guage, no of turns and the coil ID & OD.
 
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kranth90 said:
I need a technical assistance in designing of a coil which will work on 24V DC supply with a maximum wattage of 200W suggest me the coil guage, no of turns and the coil ID & OD.

Welcome to the PF.

What is the application for the coil? What inductance do you want? What series resistance can you tolerate in the circuit?

A coil is not rated by power (and especially not at 200W!). A coil is rated by its inductance, DC resistance, and its saturation current (if it is wound on a ferrous metal or ferrite).
 
I want to use it in 33kV VCB's as Tripping coil...
and here I'm giving the DC supply to the coil so there is no matter of inductance I think..
and the series resistance can be 2.9ohms..
 

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