A Topology Analysis-Based MMC-HVDC Grid Transmission Capacity Calculation Method

被引：1
|
作者：
Yu, Xiao [1 ]
Zhao, Bing [1 ]
Wang, Shanshan [1 ]
Wang, Tiezhu [1 ]
Zhang, Lu [2 ]
机构：
[1] China Elect Power Res Inst, Beijing 100094, Peoples R China
[2] State Grid Xinjiang Elect Power Res Inst, Urumqi 830011, Peoples R China
来源：
SYMMETRY-BASEL | 2021年 / 13卷 / 05期
关键词：
MMC-HVDC grid; topology; transmission capacity; calculation method;
D O I：
10.3390/sym13050822
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Modular multilevel converter-based high voltage direct current (MMC-HVDC) has a broad application prospect in renewable energy transmission. With the development of converter capacity, the transmission capacity calculation for MMC-HVDC grids becomes important for power dispatching. The existing method depends on manual work and is suitable for a simple grid. However, as the grid structure and operation modes become more and more complex, it becomes difficult to calculate the transmission capacity of different operation modes for an MMC-HVDC grid. This paper analyzed and simplified affecting factors and basic topologies. On this basis, a topology-based MMC-HVDC grid transmission capacity calculation method is proposed. First, an MMC-HVDC grid is divided into sending end grid, transmission section lines, and receiving end grid. Then the power limits of these three parts are calculated. Finally, the transmission capacity is determined by analyzing the connection mode of these three parts. This method can be adapted to any kind of MMC-HVDC grid and can be easily programmed.
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收藏
页数：10
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