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ZHANG Ka, FANG Lei, CAO Xiaodong. MTPA-DTC efficiency optimization method for feeding system of pressure filter[J]. Journal of Mine Automation, 2014, 40(8): 39-42. DOI: 10.13272/j.issn.1671-251x.2014.08.010
Citation: ZHANG Ka, FANG Lei, CAO Xiaodong. MTPA-DTC efficiency optimization method for feeding system of pressure filter[J]. Journal of Mine Automation, 2014, 40(8): 39-42. DOI: 10.13272/j.issn.1671-251x.2014.08.010
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MTPA-DTC efficiency optimization method for feeding system of pressure filter

  • 1.

    Yongmei Company, Henan Energy and Chemical Industry Group Co., Ltd., Shangqiu 476600, China

  • 2.

    School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou 221

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  • In order to improve actual operation efficiency of feeding system of pressure filter, an efficiency optimization method with the maximum torque per ampere applied in direct torque control was proposed. The method adjusts amplitude of stator flux linkage dynamically based on actual changing of electromagnetic torque, so as to achieve the maximum torque output under unit current amplitude. The experimental results show that the method can realize efficiency optimization of the system in the whole load range with smaller stator current under the same electromagnetic torque.
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