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Self-excited induction generators (SEIG) are used in small scale generation systems such as small wind turbines and micro-hydro schemes where a grid connection is not available. In such applications, there is a strong need to model the generator as accurately as possible in order to obtain a realistic estimation of the machine behaviour and dynamics. In this paper, a generalized dynamic model of a...
Self-excited induction generators produce power off-grid with capacitors placed in parallel with the load to supply the reactive power. The existing theory predicts an exponential growth of the phase voltages from the zero state when the linearized electrical system has unstable poles, a condition that requires a combination of minimum speed and sufficient capacitance. In practice, however, pre-charged...
This paper is introducing a very fast simulation approach to analysis the transient behavior of three-phase squirrel-cage type induction motor. The well known model with four differential equations of voltage and current in rotor reference frame along with the torque equation is used to model the motor. Also, in the proposed model, the saturation of both magnetizing and leakage inductances is considered...
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