Electromechanical Transient Modeling and Control Strategy of Decentralized Hybrid HVDC Systems

被引：5
|
作者：
Wang, Guoteng [1 ]
Xiao, Huangqing [1 ,2 ]
Xiao, Liang [3 ]
Zhang, Zheren [1 ]
Xu, Zheng [1 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Zhejiang, Peoples R China
[2] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37201 USA
[3] China Southe Grid Power Dispatching & Control Ctr, Guangzhou 510000, Guangdong, Peoples R China
来源：
ENERGIES | 2019年 / 12卷 / 15期
关键词：
electromechanical transient model; control strategy; decentralized hybrid HVDC system; line commutated converter (LCC); modular multilevel converter (MMC); COMPUTATIONAL ELECTROMAGNETICS CEM; SELECTIVE VALIDATION FSV; LCC;
D O I：
10.3390/en12152856
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 studies the electromechanical transient model and the control strategy of line commutated converter (LCC) and modular multilevel converter (MMC) based decentralized hybrid High Voltage Direct Current (HVDC) Transmission systems. The decentralized hybrid HVDC system is a new type of topology, and the related electromechanical transient model and control strategy have not been studied well. In this paper, the electromechanical transient model of a decentralized hybrid HVDC system is devloped through mathematical deduction. This model can be easily implemented in electromechanical transient simulation software and meet the time domain simulation requirements of large-scale systems. Then, in order to ensure the safe absorption of the DC power under various conditions, an optimal power flow model considering the decentralized hybrid HVDC system is proposed. Finally, the electromechanical transient model proposed in this paper is verified by the electromagnetic transient model, and the control strategy is validated in a modified New England 39-bus system.
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收藏
页数：17
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