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[高分] 学位论文 Control of three phase power converters. I: Voltage generation II: Current regulation
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根据相关领域的研究背景,三相功率变换器(Three-phase power converters) 的控制(特别是电压源变换器 VSC 的电压生成与电流调节)是电力电子领域的经典课题。该领域的研究通常涉及 PWM 技术、滑模控制或矢量控制等策略。
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| 其它 | Part I: Control of three-phase voltage generation for UPS applications. The core of any three-phase voltage generating system is a three-phase inverter capable of providing three-phase balanced, undistorted voltages regardless of any loading conditions and irrespective of any variations in the source. The inverter's performance is mainly determined by the employed controllers; therefore, the control issues of three-phase Voltage Source Inverter (VSI) have drawn much attention over the last two decades.;This part of dissertation focuses on the control of voltage generation for both three-phase three-wire system and three-phase four-wire system. Two controllers were proposed, one controls three-legged VSI while another serves four-legged VSI. For both, circuit-level decoupling and mapping were employed to decouple the two VSIs into a set of buck converters in every 60° region. The controllers can thus be realized through a combination of rotational logic and conventional buck |
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(2025-6-4)