Equivalent hamiltonian equations modelling and energy function construction for MMC-HVDC in hybrid AC/DC power systems

被引：13
|
作者：
Liu, Yang [1 ]
Lin, Zehui [1 ]
Xiahou, Kaishun [1 ]
Lin, Yuqing [1 ]
Wu, Q. H. [1 ]
机构：
[1] South China Univ Technol, Sch Elect Power Engn, Guangzhou 510640, Peoples R China
来源：
CSEE JOURNAL OF POWER AND ENERGY SYSTEMS | 2021年 / 7卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Energy function; equivalent Hamiltonian equations model; hybrid AC; DC power system; MMC-HVDC; transient stability; STABILITY;
D O I：
10.17775/CSEEJPES.2020.01130
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper proposes an equivalent Hamiltonian equations model for the modular multilevel converter-based high-voltage direct-current (MMC-HVDC) transmission system, and constructs an energy function for multi-machine power systems with MMC-HVDC transmission lines. The equivalent Hamiltonian equations model is verified to be able to track the power output dynamics of the full model of an MMC-HVDC transmission system. Both theoretical and numerical studies have been undertaken to validate that the energy function proposed for hybrid AC/DC systems satisfies the conditions of an energy function. The work of this paper bridges the gap between the well-developed direct methods of transient stability analysis and power systems with MMC-HVDC transmission lines.
引用
收藏
页码：821 / 831
页数：11
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