【摘要】 针对区域多能量枢纽(energy hub,EH)互联的热电耦合综合能源系统(integratedenergysystem,IES),提出一种综合考虑静态安全因素与热电最优潮流的IES联合优化运行模型。模型为双层结构,首先提出热电耦合网络最优潮流计算方法,并在此基础上建立整个系统的静态安全评估指标。上层模型以系统运行经济性与静态安全性为目标,优化各EH单元的冷热电输出;下层模型根据上层热电最优潮流计算结果,结合经济性目标,并兼顾光伏消纳能力,实现EH单元内部各机组的实时出力优化。最后结合算例仿真结果证明了所提模型的有效性。更多还原

【Abstract】 An operation optimization model considering static security and optimal energy flow is proposed for district power-heating integrated energy systems(IES) with multiple energy hubs(EH). Firstly, a calculation method for optimal energy flow is proposed. Then a static security assessment index is established based on energy flow. Overall IES operating cost and static security are both taken into account in the upper-level of the model to optimize power-heating output of each EH. After obtaining multi-objective optimal power-heating flow distribution of IES, the lower-level of the model takes both economic index and photovoltaic accommodation capacity as target to optimize the output of each unit in EHs. Finally, a case study is given to verify effectiveness of the proposed model.更多还原