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TI 无刷电机相电流重构
资料介绍
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.
部分文件列表
| 文件名 | 大小 |
| spract7.pdf | 3M |
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