考虑非线性存储效率的市场区域储能系统收益最大化

2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM) Pub Date : 2018-06-01 DOI:10.1109/SPEEDAM.2018.8445321

T. Nguyen, R. Byrne, B. Chalamala, I. Gyuk

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引用次数: 6

摘要

储能的技术经济分析目前使用的是恒效率能量流模型。在实际应用中，储能系统的充放电效率随充电状态、温度、充放电功率的变化而变化。因此，使用等效率的能量流模型将导致次优结果。本文主要研究基于非线性效率模型的非线性能量流模型在储能收益最大化问题中的应用。采用动态规划方法求解优化问题。为了使钒氧化还原液流电池(VRFB)系统在PJM的能量和频率调节市场上的收益最大化，进行了一个案例研究。

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Maximizing The Revenue of Energy Storage Systems in Market Areas Considering Nonlinear Storage Efficiencies

Techno-economic analyses of energy storage currently use constant-efficiency energy flow models. In practice, charge/discharge efficiency of energy storage varies as a function of state-of-charge, temperature, charge/discharge power. Therefore, using the constant-efficiency energy flow models will cause suboptimal results. This work focuses on incorporating nonlinear energy flow models based on nonlinear efficiency models in the revenue maximization problem of energy storage. Dynamic programming is used to solve the optimization problem. A case studies is conducted to maximize the revenue of a Vanadium Redox Flow Battery (VRFB) system in PJM's energy and frequency regulation market.

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2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)

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