Harmonic power flow of VSC-HVDC based AC/DC power systems

被引：9
|
作者：
Liu, Bo [1 ]
Du, Zhengchun [1 ]
Li, Chongtao [1 ]
机构：
[1] Xi An Jiao Tong Univ, Xian 710049, Peoples R China
来源：
ELECTRIC POWER SYSTEMS RESEARCH | 2016年 / 133卷
关键词：
Harmonic model; Harmonic power flow (HPF); Newton's method; Voltage source converter (VSC); VSC-HVDC; VOLTAGE-SOURCE CONVERTER; DOMAIN; MODEL;
D O I：
10.1016/j.epsr.2015.12.038
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper extends the traditional harmonic power flow (HPF) to include voltage source converter (VSC) based HVDC. First, a new harmonic model of VSCs, called the real harmonic coupling matrix (RHCM), is developed. The real-valued model is simple in form and easy to calculate. The nonlinear relationship between harmonics and VSC control variables is analytically represented. Then, the model is used to integrate VSC-HVDC into the rectangular-form HPF. Newton's method is adopted to simultaneously solve the AC and DC system harmonics and fundamental power flow. The algorithm is validated by time-domain simulation and tested on a 10-bus AC/DC power system. The effect of VSC harmonics on fundamental power flow is investigated, so is the effect of different operating conditions on harmonics. The results demonstrate that the proposed HPF makes a very useful tool in the harmonic analysis of VSC-HVDC based AC/DC power systems. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：355 / 364
页数：10
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