Abstract
The paper deals with a new analytical technique in the transient performance prediction of 3-phase self-excited induction generators for autonomous power generation based on load rejection tests. A new concept of generalized electromechanical current-controlled state space induction machine model is derived for this purpose. The previous electromechanical model presents a beneficial particularity to be linear for parameter identification needs. Numerical examples are given and discussed in detail in order to demonstrate the effectiveness of the proposed model, when the machine control variables are armature currents and mechanical torque. In the absence of speed regulator, simulation reveals that overvoltage generally follows load rejection tests of self-excited induction generator, with great change in the rotor speed variation.
Published Version
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