Theory of the Three Phase Salient Pole Type Generator with Bridge Rectified Output - Part II

Using two approximations, the original set of basic equations of Part I applying to a Star connected stator winding is converted into explicit expressions for the average field current If, the commutation angles β and μ, the instantaneous values of all rotor currents and the DC output voltage. The particular characteristics of a Delta connected stator winding are discussed and its equations derived. All expressions are shown both in absolute as well as in per-unit values and can also be used as the initial approximation for the iterative process required to solve the basic set of exact equations of Part I. A numerical example demonstrates the capabilities of the equations.