L18_A
Fig 4.11-17
Approximate Equivalent Circuits
Example 4.3-4.5

L18_B
Fig4.16-19
4.5 Voltage Regulation (VR)
Example 4.6
4.6 Mazimum Efficiency Criterion

L18_C
Fig 4.20
Example 4.7

L18_D
Fig 4.21-25
4.7 Determination of Transformer Parameters