Abstract
Self-Excited Permanent Magnet Induction Generator (PMIG) is commonly used in wind energy generation systems. The difficulty of Self-Excited Permanent Magnet Induction Generator (SEPMIG) modeling is the circuit parameters of the generator vary at each load conditions due to the a change in the frequency and stator voltage. The paper introduces a new modeling for SEPMIG using Gauss-sidle relaxation method. The SEPMIG characteristics using the proposed method are studied at different load conditions according to the wind speed variation, load impedance changes and different shunted capacitor values. The system modeling is investigated due to the magnetizing current variation, the efficiency variation, the power variation and power factor variation. The proposed modeling system satisfies high degree of simplicity and accuracy.
Highlights
Permanent Magnet Induction Generator (PMIG) is a new type of induction generator that has a stator equipped with a three phase-winding and two rotors mounted on the machine rotor shaft
This paper introduces the PMIG model as an isolated unit in wind energy system so this machine is called Self- exited Permanent Magnet Induction Generator (SEPMIG)
The difficulty of PMSEIG modeling is that all the circuit parameters shown in Figure2 of the generator vary according to the load condition changes due to the changes in frequency and stator voltage
Summary
Permanent Magnet Induction Generator (PMIG) is a new type of induction generator that has a stator equipped with a three phase-winding and two rotors mounted on the machine rotor shaft. The outer rotor has squirrel-cage-windings while the inner free rotor is a Permanent Magnet (PM). The outer squirrel- cage rotor rotates at an angular speed faster than that of the rotating field generated by the generator stator current while the inner PM rotor is free to rotate on the same angular speed of the stator magnetic field. This paper introduces the PMIG model as an isolated unit in wind energy system so this machine is called Self- exited Permanent Magnet Induction Generator (SEPMIG). The PMIG obtains the necessary reactive power (Q) for initiating the magnetic flux in the air-gap from its connection to the grid.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
