新能源渗透率的不断增加以及越来越多的储能装置并入电网,使得现行的调频市场机制已不能再适应电力系统的实际情况,基于此现状构建风、光以及独立储能装置与常规火电机组共同参与的调频辅助服务市场与电能量市场联合出清模型,模型中利用层次分析法（AHP）进行调频性能指标的权重优化,使得新能源与独立储能装置参与电网调频后的电力系统的调频压力减小,同时进一步提高对新能源的消纳力度。通过算例分析表明,引入高渗透率的新能源机组与独立储能装置参与调频市场不仅能减少调频性能较差的火电机组中标,减少弃风、弃光现象,也能减少运营商购买调频服务的费用支出。
Abstract
With the increasing penetration rate of new energy and the integration of more and more energy storage devices into the power grid, the current frequency modulation market mechanism can no longer adapt to the actual situation of the power system. Based on this situation, a joint clearance model of frequency modulation auxiliary service market and electricity energy market involving wind turbine generators, photovoltaic panels, independent energy storage devices and conventional thermal power units is built. In the model, the analytic hierarchy process（AHP） is used to optimize the weight of frequency modulation performance indicators, which reduces the frequency modulation pressure of the power system after the participation of new energy and independent energy storage devices in the grid frequency modulation, and further improves the absorption of new energy. The example analysis shows that the introduction of new energy units with high permeability and independent energy storage devices to participate in the power market can not only reduce the bidding of thermal power units with poor frequency modulation performance, reduce the phenomenon of wind and light abandonment, but also reduce the cost of purchasing frequency modulation service for operators.
关键词
风电机组 /
储能 /
调频 /
层次分析法 /
联合出清 /
调频性能指标
Key words
wind turbines /
energy storage /
frequency modulation /
AHP /
joint clearing /
frequency modulation performance index
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基金
河北省自然科学基金（E2020502066）; 中央高校基本科研业务费专项资金（2020MS091）
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