Chapter 4

Steady-State Behavior of Synchronous Machines

4.1    Introduction

Park’s equations, derived in Chapter 3, form the basis for the analysis of any operating mode of a synchronous machine and can be employed for any situation that might be encountered, including starting transients, pole slipping, fault behavior, operation with a bridge inverter or rectifier, etc. However, since most synchronous machines operate nearly exclusively under balanced sinusoidal conditions, it is important that this important operating mode now be examined in some detail.

4.2    d–q Axes Orientation

Recall that it has already been established that the voltages of any three-phase system can be viewed as a single vector in a three dimensional space. When the sum ...

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