YUAN Dian, JIN Xu , QIAN Tao, CHEN Tao, ZHANG Fei, ZHANG Yuanshi, HU Qinran
Abstract (
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Under the background of the "carbon peaking and carbon neutrality" goals and the construction of new power systems, the proportion of distributed energy resources in the distribution network has been increasing year by year. However, new energy generation is random and intermittent, and with the increasing peak-to-valley difference of loads, it is difficult to satisfy the demand for peak load following with only traditional generation resources. With the development of demand response technology, it has become possible to regulate flexible resources on the load side. There is an urgent need to explore the adjustable potential of controllable loads, analyze their regulation capability qualitatively and quantitatively from the perspective of the system, and establish their external characteristic models so as to be precisely dispatched. In this paper, research is carried out on inverter air conditioners on the customer side. First, the load model and control method of inverter air conditioners are clarified;then the qualitative assessment of the regulation potential of inverter air conditioner aggregation is carried out;then, according to different regulation scenarios, the external characteristic model of inverter air conditioner aggregation is established;and finally, the example verification is carried out in the active power distribution network. The result shows that the inverter air conditioner aggregation has similar external characteristics and regulation potential as the traditional generator, and can effectively participate in the optimization of the active distribution network scheduling.