论文标题
电池寿命的动态估值
Dynamic Valuation of Battery Lifetime
论文作者
论文摘要
本文提出了一个动态估值框架，以根据内部降解机制和利用场景确定电池容量降解的机会降解的机会价值。所提出的框架遵循动态编程方法，并包括一个分段线性值函数近似解决方案，该解决方案在长期计划范围内解决了优化问题。本文使用实际市场和系统数据提供了两项有关价格套利和频率调节的案例研究，以证明所提出的框架的广泛适用性。结果表明，电池寿命价值至关重要，取决于外部市场环境及其内部健康状况。在网格服务方面，结果表明，与新电池相比，二人电池可以提供价值的50％以上，而频率法规的收入是整个电池寿命的价格套利的两倍。
This paper proposes a dynamic valuation framework to determine the opportunity value of battery capacity degradation in grid applications based on the internal degradation mechanism and utilization scenarios. The proposed framework follows a dynamic programming approach and includes a piecewise linear value function approximation solution that solves the optimization problem over a long planning horizon. The paper provides two case studies on price arbitrage and frequency regulation using real market and system data to demonstrate the broad applicability of the proposed framework. Results show that the battery lifetime value is critically dependent on both the external market environment and its internal state of health. On the grid service side, results show that second-life batteries can provide more than 50% of the value compared to new batteries, and frequency regulation provides two times more revenue than price arbitrage throughout the battery lifetime.
