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The microgrid can address the technical and commercial challenge of integrating distributed energy resources into the bulk electric grid, and also provide an effective approach to reducing the consequences of natural disaster (e.g. earthquake, hurricane and snowstorm). The microgrid features and its applications to emergency response and disaster relief are first presented in this paper. A control...
As the core control unit, the pole control unit of converter station determines the performance of the whole HVDC system. Aimed the back-to-back converter station, the control strategies are analyzed and discussed in this paper; characteristic curve for converter station control is patterned. On the basis of above work, the pole control unit is designed. Through the fast control for fire angle of...
Modern distribution systems face a problem that the loads are growing continuously, thus the operation of distribution equipments are close to their marginal status, which will inevitably result in voltage instability problem. Meanwhile, with the development of distributed generation (DG) technologies, more and more DGs have been interconnected into distribution network to improve the reliability...
Voltage stability becomes an increasing severe problem as the power systems become more complex and heavily loaded. Voltage problems have been a subject of great concern during planning and operation of power systems due to the significant number of serious failures believed to have been caused by this phenomenon. Therefore, how to develop an efficient research technique is one of the issues which...
The preventive/corrective control for voltage stability is an indispensable part of on-line voltage monitoring system. Hidden trouble of voltage stability could be eliminated by cooperation of preventive control and corrective control, thus the operating point could be in secure area continually. In this paper, a 168-bus real power system was investigated to illustrate how to solve optimal control...
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