用于不平衡三相配电馈线的新型补偿器

2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077) Pub Date : 2000-01-23 DOI:10.1109/PESW.2000.847181

D. Hongfa, D. Xian-zhong, He Yang-zan

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引用次数: 4

摘要

提出了一种新型无功补偿器，用于减少三相三线制和三相四线制配电馈线中因负载不平衡引起的负序分量和零序分量以及调节负载母线电压。新型补偿器由三相电压源逆变器(消除负序分量，调整负载母线电压)和单相电压源逆变器(消除零序分量)组成。采用基于瞬时值和正弦脉宽调制(SPWM)的dq相变换控制，使系统具有快速的动态响应。数学模型的推导和计算机仿真验证并说明了该方法的可行性。

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A novel compensator for unbalanced three phase distribution feeders

A new reactive power compensator to reduce the negative and zero sequence components caused by unbalanced loads and to adjust load bus voltages for three-phase three-wire and three-phase four-wire distribution feeders is presented. The new compensator consists of a three-phase voltage source inverter (to eliminate negative sequence components and adjust the load bus voltages) and a single-phase voltage source inverter (to eliminate zero sequence components). The use of dq phasor transformation control based on instantaneous value and sinusoidal pulse width modulation (SPWM) results in a system with fast dynamic response. The derivations of the mathematical model and computer simulations verify and explain the feasibility of this approach.

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来源期刊

2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077)

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