基于弃风-热的采暖负荷的联合调度补偿方法研究

Ｒesearch on Joint Dispatching Compensation Method Based on Heating Load of Wind Power Curtailment

摘要:

"三北"地区是中国"弃风"较多的地方,"以热定电"原则下的电网调度方法是导致80%"弃风"发生在冬季供暖时期的重要原因。利用电采暖负荷潜在的调节能力,从而完成降低供热机组出力和提高风电消纳的目标,进而实现双向提升风电的消纳目的,提出了一种电采暖追踪弃风的联合调度方法。首先根据温度计算出该地区供热所需量;然后根据弃风量,采用电采暖负荷追踪弃风量的联合调度方法并通过新的补偿方法,提高参与联合调度的积极性,促进风电的消纳。通过新疆某地区实际算例,验证了其可行性和经济性,对电采暖推广具有指导价值。

Abstract:

" Wind power curtailment" in " Three － North" area of China is normal． In winter heating period，80% " wind power curtailment" is caused by the power grid dispatching method under the principle of " heat － fixing electricity" ． Using the potential regulation ability of electric heating load，the goal of reducing the output and increasing the consumption of new energy will be accomplished，and then the binary purpose of wind power consumption is achieved． A joint dispatching method for electric heating and tracking wind is proposed． Firstly，the heating load according to the temperature of heating area is calculated，and then the electric heating load is used to track the curtailed wind power according to the amount of curtailed wind power，therefore the wind power accommodation is promoted and the enthusiasm of participation in joint dispatching is improved by the new compensation method． The feasibility and economics of the proposed method are verified by practical examples in a certain area of Xinjiang，which has guiding value for electric heating promotion．