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Adequate commutation instant setting and tuning in accordance with varied operating conditions are required for achieving good winding current and developed torque responses for a switched-reluctance motor (SRM) drive. This study presents a dynamic commutation shift controller (DCSC) based on DC-link current ripple minimisation for SRM drives. A single-phase bridgeless switch-mode rectifier (SMR)...
This paper aims at a power factor corrected (PFC) buck bridge DC-DC converter for a permanent magnet brushless DC motor (PMBLDCM) for an air conditioner. This PFC converter is fed from a single-phase AC mains through a diode bridge rectifier (DBR) and connected to a voltage source inverter (VSI) feeding the PMBLDCM. The Speed of the proposed PMBLDCM drive is controlled to improve efficiency of the...
In this paper, a switched-reluctance motor (SRM) drive powered by switch-mode rectifier (SMR) is first established. Then its control and performance evaluation in line drawn power quality improvement and vibration reduction are made. The sophisticated current and voltage controls for SMR are made to let the DC-link voltage be well-regulated and controllable. The line drawn current possesses high power...
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