Dynamic interaction investigation on a UPFC connecting to Jiangsu UHV AC/DC hybrid power system

被引：0
|
作者：
Ren B. [1 ]
Du W. [1 ]
Wang H. [1 ]
Li H. [2 ]
Chen Z. [3 ]
机构：
[1] School of Electrical and Electronic Engineering, North China Electric Power University, Changping District, Beijing
[2] State Grid Jiangsu Electric Power Company, Nanjing, 210024, Jiangsu Province
[3] School of Electrical Engineering, Southeast University, Nanjing, 210096, Jiangsu Province
来源：
Dianwang Jishu/Power System Technology | 2016年 / 40卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Damping characteristic; Dynamic interaction; Relative gain array (RGA); UPFC; Vector-control strategy;
D O I：
10.13335/j.1000-3673.pst.2016.09.011
中图分类号：
学科分类号：
摘要：
The first UPFC in China was put into full operation in Nanjing, Jiangsu Province at the end of 2015. It adopts modular multilevel converter (MMC) based on vector-controlled strategy. Published literatures focus on UPFC under traditional power-angle control, but no deep research of interactions between vector-controlled UPFC and HVDC are carried out. In order to gain deep understanding about interaction on UPFC connecting to Jiangsu UHV AC/DC hybrid power system, in this paper non-linear dynamic mathematical model of vector-current controlled UPFC was newly established and open-loop linearized model of multiple-machine power system containing UPFC and HVDC was derived based on block segmentation. Based on the derived model, dynamic interactions among multiple controllers of UPFC itself, UPFC controllers and HVDC were investigated with relative gain array (RGA) method, and its validity was confirmed with step simulation results. Non-linear simulation and its curve analysis with Prony method of generator angle difference were conducted to examine impact of UPFC installation on damping characteristic of low frequency oscillation in Jiangsu power grid. © 2016, Power System Technology Press. All right reserved.
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收藏
页码：2654 / 2660
页数：6
相关论文
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