Iron loss evaluation of AC filter inductor core in a PWM inverter
作者： Hirokazu Yamaji , Toshihisa Shimizu , Koushi Takano , Hitoshi Ishii
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摘要: Iron loss of an AC filter inductor used in a PWM inverter is discussed based on dynamic minor loop method developed by the authors. A distinctive feature that instantaneous iron can be measured during every switching period inverter, and distribution one cycle output frequency produced using this data. The shape changes with both modulation load conditions, so suitable for characterization loss. categorized as two types; type high loss, which caused ripple current, other low current. High usually much higher than loss; therefore, mainly was evaluated study. total under various conditions are measured, relationships between current DC-bus voltage power factor discussed.
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