- Category:
- Project Design
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- File Size:
- 1.02mb
- Update:
- 2014-03-17
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- Uploaded by:
- 任祖方
Description: With the beginning of the AC induction motor speed control field dominance, speed control system for high-performance induction motor research has been widespread concern. Especially in the 1980s, Direct Torque Control (DTC) appeared, with its simple and efficient way to control and further improve the performance of asynchronous motor. However, the existence of traditional DTC will produce torque and torque ripple flux hysteresis width when making steady. Therefore, high-performance control requires a narrower hysteresis width, corresponding demanding inverter switching frequency. Where high power must be low switching losses and good torque control performance is difficult to meet the needs of traditional DTC.
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Direct torque control.caj
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