Starting And Speed Control Of 2-Phase Induction Motor (Split-Phase Induction Motor)

Tham, Adrian Tuck Man (2006) Starting And Speed Control Of 2-Phase Induction Motor (Split-Phase Induction Motor). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In the terms of cost for operation and maintenance, industries and commercial buildings, single phase induction motor are known to have the edge out of other types of motor which makes it much more preferable. In relation to this, a variety of variable speed drives have been applied to vary the speed of these induction machines. For this project, speed variation is being obtained by applying simple inverter topologies to vary the voltage applied to the single-phase induction motor using a pulse width modulation. The control is done by a voltage source PWM inverter which uses low power MOSFETs as low power transistors and because of the inverter design's low-cost topologies it could easily satisfy the market demand. The low power MOSFETs is configured in a H-brige which allows unipolar switching process. On the other hand, an IC gate drive (IR2184) would be applied to drive or switch the low power MOSFET's which content in the H-bridge circuit from off to on stage and vice versa. Utilization of the driver would generally provide a better form of alternative to the conventional speed control method whereby it eliminates mechanical wears due to frictions and so forth, costly expenses of components and mechanical parts and reduces bulky form factor (device sizing).

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