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In this paper DC-AC differential inverters, which are capable of stepping-up the DC voltage in a single-stage, are studied. Due to the reduced number of devices, they are compact, efficient and low cost. Due to their unique characteristics, they can be used in many applications such as PV, UPS and fuel-cell. This paper introduces a new control method which utilizes a different set of voltage references...
Discrete torque generation mechanism and inherently nonlinear magnetic characterization of switched reluctance motors lead to unacceptable torque ripple and reduce the variety of applications in industry. In this paper, a phase current profiling technique is proposed considering magnetic saturation effects as well as minimizing power loss during the commutation area between the adjacent phases. Constant...
This paper investigates the problem of high torque ripple in current controlled switched reluctance motor (SRM) drives. Torque ripple reduction bellow the base speed of the motor is studied through adjustment of both turn-on and turnoff angles. A multiobjective optimization function is used to determine the proper turn-off angle in each operation point. Based on a proposed approach on intersecting...
This paper presents a modern control system for switched reluctance motor (SRM) drives. The control system is based on computational model of mammalian limbic system and emotional processes (BELBIC) which is presented as speed controller of the motor drive with attention to torque ripple decrease. In this work, a novel and simple model of SRM drives control plant is achieved by using the intelligent...
This paper offers a new converter for switched reluctance motor (SRM) drive which uses one switch in each phase. One switch for each phase is the least number of switches among the converters used in the switch reluctance motor drive. Also, the proposed converter enjoy from an important characteristic which makes it suitable for high speed drive applications. This is due to the fast phase current...
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