Modular modelling of combined AC and DC systems in dynamic simulations

被引：0
|
作者：
Aristidou, Petros [1 ]
Papangelis, Lampros [1 ]
Guillaud, Xavier [2 ]
Van Cutsem, Thierry [3 ]
机构：
[1] Univ Liege, Dept Elect Engn & Comp Sci, B-4000 Liege, Belgium
[2] L2EP Ecole Cent Lille, Lille, France
[3] Univ Liege, Dept Elect Engn & Comp Sci, Fund Sci Res FNRS, B-4000 Liege, Belgium
来源：
2015 IEEE EINDHOVEN POWERTECH | 2015年
关键词：
Time simulation; phasor approximation; AC/DC systems; multi-terminal DC system; domain decomposition methods; Schur complement; parallel processing; VSC HVDC;
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：
A formulation is proposed in which an AC-DC system is modeled as a combination of AC grids, DC grids, injectors, AC two-ports and AC/DC converters, respectively. This modular modelling facilitates the dynamic simulation of future complex AC/DC systems. Furthermore, it can be exploited by the solver, which performs less operations on components with lower dynamic activity, and offers parallel processing of the time simulation. This approach is illustrated on a test system in which a multi-terminal DC grid connects two asynchronous AC systems, allows frequency support between them, and acts as emergency control against AC voltage instability.
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页数：6
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