蓄热式三电平中性点箝位PWM电压源逆变器的协调控制

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1044137

F. Wang

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引用次数: 11

摘要

研究了蓄热式背靠背三电平中性点箝位PWM电压源型逆变器的源负载协调控制策略。重点研究了通过前馈潮流控制的协调直流链路电压控制和协调直流链路中性点控制。本文还介绍了各种中性点控制方法，包括一种新的线性控制方案。仿真和实验结果表明，与独立源和负载控制方法相比，协调控制方法能显著提高系统响应，减小部件应力，并有助于消除干扰跳闸。

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Coordinated control of regenerative three-level neutral point clamped PWM voltage source inverters

This paper studies the coordinated control strategy between the source and load controllers for regenerative back-to-back three level neutral-point-clamped PWM voltage source inverters. The focus is on the coordinated dc link voltage control through a feed-forward power flow control and the coordinated dc link neutral point control. The paper also covers various neutral point control methods including a new linear control scheme. The simulation and experiment results show that, compared with independent source and load control approach, the coordinated approach can significantly improve system response, reduce component stress, and help eliminating nuisance trips.

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Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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