摘要
计划体制下固定价格难以激励水电参与调节,而复杂的水力约束条件导致水电现货市场出清困难。为通过现货价格激励水电参与调节,丰富其收益模式,研究现货市场下流域水电的博弈竞价策略及优化调度方法。基于水力耦合关系,将水库电站及其下游电站打捆为流域水电聚合报价单元。提出了流域水电调度模式,构建了基于流域水电调度模式的交易决策模型、现货市场出清模型。其中,流域水电调度模式明确了各电站与报价单元的电量、价格交互关系,为交易决策模型提供约束条件;交易决策模型以流域水电市场收益最大为目标优化在现货市场中申报的量价;市场出清模型以系统购电成本最小为目标优化流域水电等电源的中标量价。采用共生多种群粒子群算法对模型进行求解,以㵲水流域为案例进行仿真,结果表明:相比于传统竞价策略与调度方案,所提方法在负荷高峰时期可提高流域水电顶峰能力;在市场申报环节可规避在市场中流标的风险,使流域水电市场收益增加20.14%。仿真案例验证了所提方法的有效性。
Under the planned system,the fixed price makes it difficult to encourage hydropower to participate in regulation,and the complex hydraulic constraints lead to difficulties in hydropower spot market clearing.To encourage hydropower to participate in regulation through spot-price incentives and enrich its revenue model,the game bidding strategy and optimal dispatching method of river-basin hydropower in the spot market were studied.Based on the hydraulic coupling relationship,the reservoir,and downstream power stations were bundled into a river-basin hydropower aggregation quotation unit.The river-basin hydropower dispatching mode was proposed,and the trading decision-making model and the spot market clearing model based on the river-basin hydropower dispatching mode were constructed.Among them,the river-basin hydropower dispatching mode clarified the power quantity and price interaction relationships between each power station and the quotation unit,providing constraint conditions for the trading decision-making model;the trading decision-making model optimized the quantity and price declared in the spot market to maximize the revenue of the river-basin hydropower market;the market clearing model optimized the bid-winning quantity and price of power sources such as river-basin hydropower to minimize the system's power-purchase cost.Using a symbiotic multi-swarm particle swarm optimization to solve the model for the Wushui River Basin,the results show that,compared with the traditional bidding strategy and dispatching scheme,the proposed method can improve the peak-shaving ability of river-basin hydropower during the peak-load period;it can avoid the risk of being rejected in the market during the market declaration process,increasing the revenue of the river-basin hydropower market by 20.14%.The effectiveness of the proposed method was verified by simulation cases.
作者
刘玉青
张仕杰
石德勇
LIU Yuqing;ZHANG Shijie;SHI Deyong(School of Electrical and Information Engineering,Changsha University of Science and Technology,Changsha 410114,Hunan,China;State Grid Hunan Electric Power Co.,Ltd.Huaihua Power Supply Branch,Huaihua 410029,Hunan,China)
出处
《电气传动》
2026年第3期71-80,共10页
Electric Drive
基金
湖南省研究生科研创新重点项目(QL20220192)
教育部产学合作协同育人项目(202102574005)。
关键词
流域水电
现货市场
调度模式
收益补偿
竞价策略
basin hydropower
spot market
scheduling mode
revenue compensation
competitive bidding strategy
