“…Reference [22], which reviews islanding detection methods, declare that active methods take longer time than passive methods to detect islanding. Telecommunication based methods such as transfer trip schemes would be much faster but costlier to implement.…”
Section: Microgrid Behavior At Islandingmentioning
This paper presents the impact of the time duration taken to change the control mode of a microgrid from grid connected operation to islanded operation (control mode transition delay) on the stability of a microgrid. A detailed microgrid simulation model was developed and its frequency and voltage control was designed based on the most generic schemes identified after a profound literature survey on practical microgrids. The simulation study results revealed that the control mode transition delay has a significant impact on the amount of load that need to be shed to preserve the stability of the islanded microgrid. The control mode transition delay also has an impact on the power quality.
“…Reference [22], which reviews islanding detection methods, declare that active methods take longer time than passive methods to detect islanding. Telecommunication based methods such as transfer trip schemes would be much faster but costlier to implement.…”
Section: Microgrid Behavior At Islandingmentioning
This paper presents the impact of the time duration taken to change the control mode of a microgrid from grid connected operation to islanded operation (control mode transition delay) on the stability of a microgrid. A detailed microgrid simulation model was developed and its frequency and voltage control was designed based on the most generic schemes identified after a profound literature survey on practical microgrids. The simulation study results revealed that the control mode transition delay has a significant impact on the amount of load that need to be shed to preserve the stability of the islanded microgrid. The control mode transition delay also has an impact on the power quality.
“…And as scientific technological progress and economic development, people on the environment demand is increasing day by day. The development and utilization of new energy has been continuously developing [1][2][3]. Distributed generation technology is not only clean, environmental protection, economic and efficient, but also can improve the stability and flexibility of the whole power system.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, distributed generation and micro grid technology have developed rapidly, and that implement the parallel operation. Distributed generation technology in power system not only to improve the reliability and flexibility of the power, but also bring some new challenges at the same time, an islanding effect is one of them [1][2][3][4].…”
“…Distributed generation offers the possibility of maintaining voltage levels at nodes of distribution network, decreasing active and reactive power losses in the network, providing higher level of power supply reliability by maintaining power supply from distributed generation to some consumers in the case of emergency disconnection of the main supply point in the power supply system (islanding) [5,7,8].…”
The paper addresses the problem of multicriteria reconfiguration of distribution network with distributed generation according to the criterion of minimum power loss under normal conditions and the criterion of power supply reliability under postemergency conditions. Efficient heuristic and multicriteria methods are used to solve the problem including advanced ant colony algorithm for minimum loss reconfiguration of distribution network, the sorting-out algorithm of cell formation for island performing in postemergency network, and the successive concessions method for multicriteria decision making. Demonstration studies have been carried out for the Central Power System of Mongolia.
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