基于实测性能优化储能与电解系统多市场盈利
Optimizing Multi-Market Participation of Battery and Electrolyser Systems Based on Field Performance
- 融合实测数据建模，考虑充放电速率与效率限制
- 储能系统年均日利润达1749.27丹麦克朗，电解系统289.46丹麦克朗
- 适合关注真实硬件表现的能源系统设计者与市场参与者
可再生能源在电力系统中占比提升，亟需快速响应的灵活资源以维持系统稳定。随着电力市场及辅助服务产品扩展，跨服务收益叠加成为可能。长周期的电转氢（PTX）电解系统与短周期的电池储能系统（BESS）是主要灵活资源，但多数研究忽略真实设备行为，如爬坡限值、效率与设定点跟踪精度。本文基于55 kW/79 kWh BESS和三组2.4 kW电解单元的实测数据，识别关键特性并嵌入价格驱动的优化框架，利用2022至2025年丹麦电力与辅助服务市场真实数据进行模拟。优化后，储能系统与电解系统的年均日利润分别为1,749.27丹麦克朗和289.46丹麦克朗。结果表明，在多市场参与评估中引入实测性能至关重要。
原文摘要 · Abstract (English)
The increasing share of renewable energy in power systems creates a need for fast-response and flexible resources to maintain system stability. With the expansion of electricity markets and ancillary service products, opportunities arise to stack revenues across multiple services. Long-term Power-to-X (PTX) electrolysers and short-term battery energy storage systems (BESS) are prevalent flexible resources, yet most studies neglect real hardware behavior, such as ramp limits, efficiency, and setpoint-tracking accuracy. This work presents experimental and modeling results for a 55 kW/79 kWh BESS and an electrolyser comprising three 2.4 kW units. Key characteristics are identified through measurements and embedded into a price-driven optimization framework for participation in the Danish electricity and ancillary service markets, utilizing real market data from 2022 to 2025. The optimized daily profits for multi-market participation are 1,749.27 DKK and 289.46 DKK for the BESS and electrolyser, respectively. With the demonstrated business cases for BESS and PTX systems, this work highlights the importance of incorporating experimental performance when evaluating participation across multiple markets and years.
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