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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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通常来讲,移相控制用于提高无刷直流电机的效率。因为直流电机没有跳跃(Ld=Lq),当反向电动势相位和电机当前相位匹配时,效率达到最大值。但实际上,电机电流相位晚于换向电压,会降低电机效率。移相控制可以降低反向电动势和电机电流之间的相位差异。