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为提高微电网不可再生分布式发电备用(non-renewable distributed generation reserve,简称NDGR)配置的经济性,将大电网事故支持备用、NDGR、储能以及低电价与高赔偿2种可中断负荷视为微电网备用,充分利用微电网各类备用之间的经济互补特性,从协调优化与风险管理角度建立优化NDGR配置的数学模型,在基于数值灵敏度技术的寻优算法对模型进行求解的基础上,针对单一容量事故场景与容量事故集对NDGR配置进行优化。仿真结果表明,NDGR配置过高或过低都不合适,而应存在最优值。
In order to improve the economy of non-renewable distributed generation reserve (NDGR) for microgrids, two interruptible loads such as large grid accident backup, NDGR, energy storage, low-cost and high-compensation are regarded as In order to make full use of the complementary features of the microgrid’s various kinds of spares, a mathematical model of optimizing NDGR configuration is established from the perspective of coordination optimization and risk management. Based on the optimization algorithm based on numerical sensitivity technique, NDGR configuration is optimized for single-capacity accident scenarios and capacity incidents sets. Simulation results show that NDGR configuration is too high or too low, but there should be optimal value.