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考虑动态混掺氢-氨燃烧和P2G-CCS耦合的综合能源系统优化运行
龚子怡, 马辉, 毛睿, 王鑫, 苗桂喜, 元亮
电力建设 ›› 2026, Vol. 47 ›› Issue (5) : 133-146.
PDF(5637 KB)
PDF(5637 KB)
考虑动态混掺氢-氨燃烧和P2G-CCS耦合的综合能源系统优化运行
Optimized Operation of Integrated Energy System Considering Dynamic Hydrogen/Ammonia Co-Firing and Power to Gas （P2G）-Carbon Capture and Storage （CCS） Coupling
【目的】 由于风、光等新能源发电具有极大的反调峰特性，在负荷低谷期容易发生大规模弃风弃光现象，不利于综合能源系统（integrated energy system，IES）的经济低碳运行，而氢、氨具有零碳和高能量密度的特点，将其引入综合能源系统对于促进能源结构转型具有重要意义。为充分发挥氢、氨在促进系统低碳排放、经济运行方面的优势，提出了一种考虑动态混掺氢-氨燃烧和电转气（power to gas，P2G）与碳捕集（carbon capture and storage，CCS）耦合的综合能源系统优化调度模型。【方法】 首先构建了含P2G、电转氨（power-to-ammonia，P2A）、电锅炉以及储能系统等设备模型，同时以P2G生产的氢气为能源纽带分别构建了燃气机组掺氢模型以及火电机组掺氨模型。其次，为进一步提高系统碳减排的灵活性，引入了阶梯式碳交易机制，以系统的总运行成本最低为目标函数分析在不同混掺氢-氨比例下，燃气机组的掺氢燃烧和火电机组的掺氨燃烧对系统的经济性和碳排放的影响。【结果】 仿真表明，P2G-CCS耦合与20%固定氢氨混掺可使系统运行成本与碳排放最低。采用变混掺比例后，总成本进一步降低11.65%，碳排放减少33.63 t。【结论】 阶梯式碳交易机制与动态氢氨混掺策略能有效提升系统经济性与低碳性，为综合能源系统优化调度提供了可行方案。
[Objective] The significant anti-peak regulation characteristics of renewable energy sources like wind and solar power lead to large-scale curtailment during low-load periods， which is detrimental to the economic and low-carbon operation of integrated energy systems （IES）. Hydrogen and ammonia， with their zero-carbon and high-energy-density features， hold great significance for promoting the energy transition when integrated into IES. To fully leverage their advantages in reducing emissions and enhancing economic performance， this study aims to develop an optimal scheduling model. [Methods] This paper proposes an optimal scheduling model for an IES that incorporates dynamic co-firing of hydrogen and ammonia， and couples power-to-gas （P2G） with carbon capture and storage （CCS）. Equipment models， including P2G， power-to-ammonia （P2A）， electric boilers， and energy storage systems， are constructed. The hydrogen produced by P2G serves as an energy link， enabling gas turbines to co-fire hydrogen and coal-fired units to co-fire ammonia. Furthermore， a tiered carbon trading mechanism is introduced to enhance the flexibility of carbon emission reduction. Targeting at minimizing the total operating cost， an analysis is made on the impact of different hydrogen/ammonia co-firing ratios on the system's economy and carbon emissions. [Results] Simulation results indicate that the P2G-CCS coupling combined with a fixed 20% hydrogen/ammonia co-firing ratio minimizes the total operating cost and carbon emissions. Adopting a dynamic co-firing ratio further reduces the total cost by 11.65% and carbon emissions by 33.63 tons. [Conclusions] The tiered carbon trading mechanism combined with a dynamic hydrogen/ammonia co-firing strategy can effectively enhance both the economic and low-carbon performance of the IES， providing a viable solution for its optimal scheduling.
综合能源系统（IES） / 电转气（P2G） / 碳捕集（CCS） / 燃气掺氢 / 火电掺氨 / 阶梯式碳交易机制
integrated energy system （IES） / power to gas （P2G） / carbon capture and storage （CCS） / gas mixed with hydrogen / thermal power mixed with ammonia / step by step carbon trading mechanism
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利益冲突声明（Conflict of Interests）： 所有作者声明不存在利益冲突。
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