孤立发电系统参与电力市场的模式探讨

Discussions on the Mode of Isolated Power Generation System Participating in Electricity Market

独立海岛群中可再生能源资源的最大化开发利用对远洋海岛的可持续发展至关重要。合理的开发模式应为政府搭建电力基础设施,构建合理的市场架构,吸引多元化主体投资建设运营。为此,构建了包含售电方、购电方及独立系统运营机构的独立海岛电力市场运营架构,并考虑到岛群内相当一部分海岛不具备与负荷中心岛敷设电缆(无线资源富集岛)的现实困难,提出一种多功能船舶运营商与无线资源富集岛合作的孤立发电系统参与电力市场的模式。基于上述架构和模式建立了相应的双层决策模型、日前市场统一出清模型。以我国南海南沙的岛屿群为背景,算例仿真结果表明,所提运营模式可以在保证社会效益最大化的同时提高资源富集岛发电主体收益,验证了孤立发电系统参与电力市场的可行性。

The maximum development and utilization of renewable energy resources in isolated islands is extremely important for the sustainable development of offshore islands.The reasonable development mode should be building power infrastructure and a reasonable market structure by the government in order to attract diversified investors to invest in construction and operation.For this reason,an isolated island power market operation framework including power seller,power buyer and independent system operator was constructed.Considering that a considerable number of islands(wireless resource rich island)do not have the practical basic of laying cables with load center island,an isolated power generation system with multi-function vessel operators and wireless resource-rich island participating in power market was proposed.Based on the above framework and mode,the corresponding two-level decision-making model and day ahead market clearing model were established.Taking Nansha Islands in South China Sea as an example,the case simulation shows that the proposed operation mode can not only maximize the social benefits,but also improve the power generation revenue of resource-rich island,which verifies the feasibility of isolated power generation system participating in the power market.