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Multi-phase self excited induction generators (SEIGs) are increasingly being considered for standalone renewable energy generation due to better fault tolerance and ruggedness offered by them compared to the poly-phase counterparts. This paper presents modeling and analysis of a self voltage regulating, short shunt six-phase SEIG (6Ph-SEIG) supplying RL load. Mathematical model of the 6Ph-SEIG is...
A flux switching machine (FSM) with a segmented rotor and non-overlap windings is an attractive alternative for driving high torque density applications. However, a rotor with segments makes the motor less robust as well as difficult to be assembled, whilst, FSMs with salient rotor and overlap windings inherit high copper losses and less efficiency due to high coil volume. In this paper, performance...
Single-phase Field Excitation Flux Switching Machines (FEFSMs) are increasingly considered as suitable candidate for high speed applications due to their variable flux capability and single piece structure of rotor. However, most of existing FEFSMs have overlap windings between armature and field excitation coil (FEC) which lead to increased size of motor, copper losses as well as material costs....
An interest in electric vehicles (EVs) from automakers, governments and customers due to concerns on the environment makes it as more attractive research. Since electric motors are the core of EVs, it is a pressing need for researchers to develop advanced electric motors. As one of the candidates, flux switching machine (FSM) is introduced in order to cope with the requirement. This paper outlines...
Self excited induction generators (SEIGs) are being increasingly called in service for renewable energy applications. They are incapable of generating reactive power and hence their reactive power is invariably supplied by capacitors connected across their magnetizing circuit. Therefore, the foremost design constraint of SEIGs is the evaluation of optimum excitation capacitance which fulfills their...
This paper investigates the control of power generation using two-phase squirrel-cage induction machines, where the load is connected to one stator winding and the load voltage is controlled through the other winding. The concept can be applied to three-phase machines as well. A state-space model of the machine is used to identify suitable operating regions. Then, two types of control algorithms are...
Three configurations of a unique single-phase power generation system based on inexpensive single-phase induction motors are proposed in this paper. All of these configurations are well suited for residential or equivalent small-scale grid-tied power generation schemes because of their reduced cost, smaller footprint and minimum or no required maintenance. The wind power generation schemes presented...
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