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How to calculate hysteresis losses and eddy currents in 220V and 12V I/O transformer

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zedorrio

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would someone be kind enough to guide me a way to calculate hysteresis losses and eddy currents in a 220V input and 12volt output transformer.
thanking in antcipation to all good friends
 

transformer query

Empirically, they can be determined from input voltage and input idle current. The total no-load losses reducd by primary resistive losses are the core losses.
 

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    zedorrio

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Re: transformer query

Transformer design is a very specialized engineering area. The losses are a strong function of the type of metal and the sheet thickness.
 

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    zedorrio

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Re: transformer query

I didn't exactly understand, what you want to achieve: Determining the losses of an existing transformer or predicting the behaviour of a transformer design. The latter would be difficult without excact material data, as flatulent mentioned.

Losses of an existing transformer can be measured, dependig o your existing equipment. You can e. g. vizualize the hysterises loop with an oscilloscope, that has the capability to display i versus ∫udt in XY view. Total losses can be measured as input real power P = 1/T ∫u i dt by a power meter or an oscilloscope with math functions.
 

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    zedorrio

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Re: transformer query

yes u guessed it rightly i m trying to design an elctrical transformer and any of the contributions of your guidence are greately valued
 

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