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TI 无刷电机相电流重构

更新时间:2022-01-31 08:12:25 大小:3M 上传用户:hsyy查看TA发布的资源 标签:无刷电机相电流重构 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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The three-phase current sensing with only one dc link shunt resistor can be used for cost sensitive applications.

However, special efforts need to reconstruct three-phase current from a dc link current. Moreover, phase current

cannot be correctly measured from the single shunt when the active vector duration is less than the minimum

measurement time. In order to get dc link current in unmeasurable vector area, a special algorithm for PWM

compensation is required. This application report describes how to reconstruct three phase currents with a single

current sensor in the inverter dc link. This solution is verified through InstaSPIN™-FOC with MotorControl SDK

software platform.

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文件名 大小
spract7.pdf 3M

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