| Summary: | 碩士 === 國立宜蘭大學 === 機械與機電工程學系碩士班 === 102 === Nuclear power generation and energy saving are today's global concern. Because inverter technology is successfully used in refrigeration appliances, and motors have 64% of electricity consumption in the industrial equipment, the inverter technology is gradually becoming more popular for industrial equipment. Hydraulic systems are widely used in a variety of mechanical work, when combined with inverter technology, they can effectively reduce energy consumption by 60% during standby and holding pressure. Today, industrial inverter hydraulic systems mostly use induction motors with inverters. Motor efficiency specifications are increasing in standards, gradually replacing induction motors with permanent magnet synchronous motors. Permanent magnet synchronous motors can be divided according to the rotor structures of Surfacemounted Permanent Magnet Synchronous Motors (SPMSM) and Interior Permanent Magnet Synchronous Motors (IPMSM). Comparing the conditions of motor volume and magnetomotive force, this study designs two types of Permanent Magnet Synchronous Motor with Finite Element Analysis software. It includes an analysis of the power density, torque ripple, efficiency, response, material costs and motor performance graphs of the two motors.
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