Testing Parameter of Silicon Steel

The main testing parameters are noted down below. 1 to 3 no's are most Frequent test. While others are usually tested by steel supplier or R&D purpose by the motor experts.

1. Hysteresis loss and eddy current loss in separate value.
2. Permeability of the punched sheet.
3. B-H curve generation.

1. Maximum polarization
2. Effective polarization
3. Maximum field strength
4. Effective field strength
5. Remanence
6. Coercive field strength
7. Specific apparent power
8. Hysteresis display
9. Form factor
10. J(H) values for graphic display

Among them hysteresis & eddy current loss is namely core loss and it checked as regular checking parameter before giving to stator line feeding. Usually core loss value is checked in each roll of stator lamination from the Press punched lamination.

There are 3/4 total renowned tester supplier worldwide.