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Active front end rectifiers (AFE) are widely used in various industrial area applications. In these types of systems, AC pre-charge circuit, output LCL filter and power module switches are the three most critical power segments. AC pre-charge circuit design is often related to an overall high component volume and cost. Many manufacturers adopt mechanical contactors or breakers between the utility...
This paper evaluates the optimal design of the main inductor for LCL filter in a three phase active front end (AFE) rectifier. The objective is to evaluate the optimal inductance of the main inductance and its cost under various switching frequency, air flow speed, and inductance. The paper presents a detailed step by step optimization procedure to optimize main inductor with lamination materials...
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