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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 power systems become more complex and heavily loaded, voltage stability becomes an increasing serious problem. It is therefore necessary to develop an on-line voltage stability monitoring system in today's energy management systems (EMS). Voltage stability corrective control, one of the steps in the monitoring system, can be formulated as a static nonlinear optimization problem which can be solved...
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...
Based upon the MC-TSCOPF (multi-contingency transient stability constrained OPF) program, in this paper, an optimal power flow based method for power system transient stability preventive control is presented. Since generation rescheduling is based upon the optimal result of MC-TSCOPF, this method always maintains economy while rescheduling generation to improve security. It possesses the merit that...
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