Modeling and Analysis of HVDC Converter by Three-Phase Dynamic Phasor

Modeling and Analysis of HVDC Converter by Three-Phase Dynamic Phasor
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三相动态相量高压直流换流器建模与分析

DOI:
10.1109/tpwrd.2012.2236850
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发表时间:
2014-02
影响因子:
4.4
通讯作者:
田鹏飞
田鹏飞
中科院分区:
工程技术2区
文献类型:
--
作者:
刘崇茹;Anjan Bose;田鹏飞

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提出了高压直流输电系统,特别是换流站的三相动态相量模型。该模型可以快速求解变流器在对称和不对称运行条件下的动态特性:1)对称故障发生在交流侧或直流侧,2)不对称故障发生在交流侧。开关函数用于指示变流器的换向过程。通过使用序列分量方法,观察到Vd应该包含第0和第二分量,并且Ia、Ib、Ic应该包含第一和第三分量。在此基础上提出了高压直流换流站的TPDP模型。给出了该模型的接口和建立细节,并提出了一种在TPDP模型中表示换相失败的方法。仿真结果表明,该模型是有效和可接受的。
A three-phase dynamic phasor (TPDP) model of high-voltage direct current (HVDC) systems, especially the converter, is proposed. The proposed model can rapidly solve the dynamic characteristics of the converter for symmetrical and asymmetrical operating conditions: 1) the symmetrical faults occur at the ac side or the dc side and 2) the asymmetrical faults occur at the ac side of the converter. Switch functions are used to indicate the commutation process of the converter. By using the sequence component method, it is observed that the vd should contain the 0th and 2nd components and ia,ib,ic should contain the 1st and 3rd components. The TPDP model of the HVDC converter is proposed based on these observations. The interface and the details to establish the proposed model are presented and a method to represent the commutation failure in the TPDP model is also proposed. Simulation results show that the proposed model is effective and acceptable.
DOI: 10.1109/pess.2000.868834
发表时间: 2000-07
期刊: 2000 Power Engineering Society Summer Meeting (Cat. No.00CH37134)
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