考虑源侧灵活性改造及可调节电热负荷的电热联合调度模型Optimal Dispatching Model of Combined Heat and Power System Considering Source-side Flexibility Improvement and Controllable Heat-power Load
周升彧;戴赛;许丹;郎一凡;胡林献;
摘要(Abstract):
在对电热联合系统源侧灵活性改造的基础上,协调运用电热柔性负荷以进一步增强系统风电消纳能力。建立了纯凝火电机组深度调峰运行成本、补贴及分摊模型,以蓄热罐蓄放热特性为基础建立了配置蓄热罐后的等效热电机组调节范围扩展模型,并以弃风开启的调峰电锅炉为可调节电负荷、其输出为可调节热负荷,构建了以总运行成本最小为目标、综合考虑热电机组调节范围扩展、火电机组深度调峰改造及负荷侧可控电锅炉3种弃风消纳方案的电热联合系统优化调度模型。算例分析表明,所提模型能够对3种方案的任意组合场景进行仿真,且能在利用源侧灵活性的同时挖掘负荷侧调节潜力,依次调度成本低、消纳效果好的可调度资源,实现弃风的低成本梯级消纳。
关键词(KeyWords): 电热联合系统;机组灵活性;可调节负荷;调度模型;风电消纳
基金项目(Foundation): 国家自然科学基金项目(51877049);; 国家电网有限公司科技项目“全局计划决策与现货市场核心技术研究与应用”(5442dz180019)~~
作者(Author): 周升彧;戴赛;许丹;郎一凡;胡林献;
Email:
DOI: 10.13335/j.1000-3673.pst.2019.1139
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