Hysteresis Coefficent Units

  • #1
7
0
I'm working with hysteresis losses in transformers at the moment, and I was wanting to know if there are units for the coefficient.

Normally, I'd just rearrange the equation for units, below,

h=ηB1.6f
η=hf-1B-1.6
so it would have units
JsT-1.6

However, given the power of 1.6, I'm not sure it still works like this. Does anyone know the units for it?
 

Answers and Replies

  • #2
430
119
Hysteresis loss [for instance] formula :

Ph=lh*B^n*f Watt/m^3 where:

B in Tesla=Wb/m^2

n=1.6 to 1.8

lh is a property of material about 500 for 4% silicon steel or 3000 for cast iron.

f=50 or 60 Hz

See [for instance]:

https://www.physicsforums.com/file:///C:/Users/user/Downloads/MAGNETIC%20CIRCUITS.pdf [Broken]

ch.1.8 Hysteresis loss
 
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