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网外与网内2种微电网供电方式的协调 被引量:2

Coordination of External Power Supply and Inner Power Supply in Micro-Grid
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摘要 微电网供电方式可分为网外与网内2类,前者为大电网参与微电网供电,后者为利用微电网内部各类发电方式进行供电,包括利用风力发电、光伏发电等可再生分布式发电,投入燃料电池、微型燃气轮机等不可再生分布式发电以及中断可中断负荷。为提高微电网供电经济性,充分利用这2种供电方式之间的经济互补特性,基于协调优化理论,建立协调这2种供电方式的数学模型,并基于代价对参数的灵敏度来指导优化方向的寻优算法对该模型进行求解,量化微电网各类供电方案的经济性,分析各因素对供电方案的影响。仿真结果表明,这2种供电方式之间存在协调空间,且协调要比不协调更能够提高微电网供电经济性。 Power supply modes of the micro-grid can be classified into external power supply and inner power supply in the micro-grid, the former corresponding to the grid participating in power supply of the micro-grid while the latter to the micro-grid using all kinds of inner resources including initiating wind generation and solar generation, fuel cells and micro gas turbine, interrupting interruptible loads. The coordination model for two kinds of power supply modes is advanced based on coordination optimization theory. Optimization algorithm is approved based on sensitivity technology in order to quicken the velocity of optimization. Economy of various power supply schemes and influences of all kinds of factors are assessed quantitatively. Simulation results are presented to validate that there exists room for coordination room and coordination is needed to improve the economy of power supply in the micro-grid.
作者 陈飞 罗运虎
出处 《电网与清洁能源》 2013年第1期24-28,共5页 Power System and Clean Energy
基金 江苏省新能源发电与电能变换重点实验室科研基地创新创优基金(NJ20120006) 南京航空航天大学2013年度基本科研业务费青年科技创新基金(理工类)项目(NS2013040) 南京航空航天大学研究生创新基金(kfjj120110)~~
关键词 网外供电 网内供电 协调优化 微电网 external power supply inner power supply coordination optimization micro-grid
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