Figure 4. Magnetic flux density distribution at 2 instant of time

From

A Novel Fast FEA No-Load Loss Calculation Method for Stacked Core Three Phase Distribution Transformers

Ehsan Hajipour, Mehdi Vakilian, Mohsen Ghafouri

International Transaction of Electrical and Computer Engineers System. 2014, 2(1), 34-38 doi:10.12691/iteces-2-1-6