Regulation of DC Link voltage in VSC-HVDC to Prevent DC Voltage Instability Based on Accurate Dynamic Model

被引：0
|
作者：
Yazdi, S. S. Heldary [1 ]
Fathi, S. H. [1 ]
Gharehpetian, G. B. [1 ]
Amiri, E. Ma'ali [1 ]
机构：
[1] Amirkabir Univ Technol, Dept Elect Engn, Tehran, Iran
来源：
4TH ANNUAL INTERNATIONAL POWER ELECTRONICS, DRIVE SYSTEMS & TECHNOLOGIES CONFERENCE (PEDSTC 2013) | 2013年
关键词：
voltage source converter; high voltage direct current; DC voltage stability; current control;
D O I：
暂无
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 investigates the effect of considering instantaneous power of the intermediary Inductance on the DC voltage stability in Voltage Source Converter-based High Voltage Direct Current (VSC-HVDC) transmission links. Considering the effects of Intermediary Inductance reveal a non-minimum phase zero in transfer function of the DC voltage dynamics such that neglecting this zero might lead to DC voltage instability in case of rectifying operation of inverter. In this paper after calculating the accurate dynamics of the DC voltage, a DC voltage controller has been designed to overcome any instability in either power flow direction of the inverter. Simulation results depict good performance due to utilizing an appropriate controller which has been reclined on the accuracy of the obtained model of the DC voltage dynamics.
引用
收藏
页码：394 / 400
页数：7
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