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  • 标题:A Novel Direct Power Control of 3phase Induction Multi Motor Drive with AFF
  • 本地全文:下载
  • 作者:S. Elangovan ; K. Thanushkodi
  • 期刊名称:International Journal of Soft Computing & Engineering
  • 电子版ISSN:2231-2307
  • 出版年度:2013
  • 卷号:3
  • 期号:2
  • 页码:124-127
  • 出版社:International Journal of Soft Computing & Engineering
  • 摘要:Direct Power Control (DPC) of three phase PWM rectifiers without line voltage sensors and based on Virtual flux estimation is presented. In this paper, the compensation of neighboring nonlinear power load is proposed. The active filtering function enlarges the functionality of PWM rectifiers, which decreases the cost of additional installation of compensating equipment. It gives a chance to fulfill both shunt active power filter and PWM rectifier tasks in a multimotor drive system by one advanced PWM rectifier. The Direct Power Control Space Vector modulated (DPC-SVM) and new Synchronous Double Reference Frame Phase locked Loop (SDRF-PLL) approach, made the control system resistant to a majority of line voltage disturbances and also it allow a constant switching frequency of the converters, leading to least switching losses. This assures proper operation of the system for abnormal and failure grid conditions. Simulation results have proven excellent performance and verify the validity of the proposed system.
  • 关键词:Active filtering function; Direct Power Control;SDRF; Space vector modulation.
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