Hysterics core losses
1.Magnetic energy stored during build-up of magnetic field greater than magnetic energy retrieved during decay of magnetic field.
2.The difference is known as hysterics energy losses
![http://img103.herosh.com/2010/12/05/255094724.png](http://img103.herosh.com/2010/12/05/255094724.png)
2.Eddy currents core losses:
Induced eddy currents can be minimized
by using laminated sheet steel magnetic core type
![http://img101.herosh.com/2010/12/05/548789843.png](http://img101.herosh.com/2010/12/05/548789843.png)
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