Inductive Power Transfer Device: What Is It and How Does It Work?

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In summary, the conversation is discussing an inductor type device that can transfer AC power to a separate, unconnected inductor. The person is looking for a term to use when searching for this type of device. Suggestions include "transformer" or "resonator," but the person clarifies that the two induction coils need to be separated and "magnetic amplifier" or "isolation amplifier" may be more appropriate search terms. Someone also mentions that they have used this principle before and referred to it as "inductive coupling" or "inductive coupler." The conversation ends with a thank you from the original poster.
  • #1
enigma
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Hi all,

I'm looking for general information on an inductor type device which transfers AC power to a seperate, unconnected (but nearby) inductor. If I were to try googling it, what should my searchword be?
 
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  • #2
Do you mean a transformer? Or possibly a resonator?

Njorl
 
  • #3
Kinda like a transformer, but the two induction coils need to be able to be seperated.

The application is this: powered chassis, unpowered module which draws power from and can (and will) be removed from the chassis. The environment is such that plugs would not be an optimal design choice due to excessive dust.
 
  • #4
"Unconnected" connotes "no common core" --- you can try "magnetic amplifier" --- it's a mixed bag in terms of actual magnetic amplifiers and assorted AC/DC, DC/DC, AC/AC, and DC/AC converters. You are perhaps looking for "isolation amplifiers." Trying for electrical isolation?
 
  • #5
My electric toothbrush works like that.
 
  • #6
Originally posted by enigma
Kinda like a transformer, but the two induction coils need to be able to be seperated.

The application is this: powered chassis, unpowered module which draws power from and can (and will) be removed from the chassis. The environment is such that plugs would not be an optimal design choice due to excessive dust.

I have never heard the device given a name. I have used this principle, and we have always called it inductive coupling. Maybe inductive coupler is a good name.

Njorl
 
  • #7
Thanks all!
 

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