基于热电比可调模式的区域综合能源系统双层优化运行

发布时间：2018-04-15 02:37

  本文选题：CHP热电比可调模式 + 广义弹性负荷　； 参考：《电网技术》2016年10期

【摘要】：目前基于能量枢纽(energy hub,EH)的区域综合能源系统的优化运行缺乏对EH内热电联产(combined heat and power,CHP)机组热电比可调的考虑,且在此类场景中参与需求侧响应的负荷种类单一。针对此状况,构建双层优化模型,建立EH机组内部能效特性与外部能源分配的联系,实现内部机组高效运行和外部能源经济分配。模型通过卡罗需-库恩-塔克条件(Karush-Kuhn-Tucker Conditions,KKT)将双层优化转换为单层优化,并用确定性优化软件求解。算例结果表明,EH双层优化运行模型可减少用能成本,提高用能效率。通过调节CHP热电比,同时利用广义弹性负荷参与响应,可以减小CHP热电比与区域内热电负荷比之间差距,从而提高CHP供能比例,实现区域综合能源系统高效经济运行。
[Abstract]:At present, the optimal operation of regional integrated energy system based on energy hub energy hub (EH) lacks the consideration that the heat and power ratio of combined heat and power CHP units in EH can be adjusted, and there is a single type of load involved in the demand-side response in this kind of scenario.In view of this situation, a double-layer optimization model is constructed to establish the relationship between the internal energy efficiency characteristics of EH units and the external energy distribution, and to realize the efficient operation of the internal units and the external energy economic distribution.By Karush-Kuhn-Tucker conditions KKT (Karush-Kuhn-Tucker ConditionsKKT), the two-layer optimization is transformed into single-layer optimization and solved by deterministic optimization software.The results show that the two-layer optimal operation model of EH can reduce the cost of energy use and improve the efficiency of energy use.By adjusting the CHP thermoelectric ratio and using generalized elastic load to participate in the response, the gap between the CHP thermoelectric ratio and the thermoelectric load ratio in the region can be reduced, thus increasing the ratio of CHP energy supply and realizing the efficient and economical operation of the regional integrated energy system.
【作者单位】： 新能源电力系统国家重点实验室(华北电力大学);国网河北省电力公司检修分公司;
【基金】：国家自然科学基金项目(51507061) 中央高校基本科研业务费专项基金(2015QN01)~~
【分类号】：TK019;TM611
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本文编号：1752174