电流互感器的非理想效应及其对级联多电平STATCOM控制器设计的影响

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2012-06-25 DOI:10.1109/PEDG.2012.6254035

Yanjun Shi, Bangyin Liu, S. Duan

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引用次数: 2

摘要

讨论了电流互感器作为反馈元件在串级多电平变换器中的影响。首先，通过小信号实验建立CT的简化传递函数模型，并通过大信号实验验证模型参数。然后，对具有CT反馈的级联多电平STATCOM进行了建模和分析。讨论了CT对控制器设计的影响，并给出了解决方案。最后进行了实验验证。

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Non ideal effect of current transformer and its influence on controller design of cascade multilevel STATCOM

This paper discusses influences of using current transformer (CT) as feedback element in a cascade multilevel converter. First, a simplified transfer function model of CT is built by small signal test and the model parameter is verified by large signal experiment. Then, a cascade multilevel STATCOM with CT feedback is modeled and analyzed. Influences of CT on controller designing are discussed, along with solutions. Finally, experiments are performed to verify proposed method.

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来源期刊

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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