多样化调频资源是解决新型电力系统频率安全问题的有效手段和必然趋势。基于风电、光伏、火电与储能协同的差异化调频策略， 提出了多场景下耦合长时间尺度规划与短时间尺度机组组合的电源侧电池储能优化配置方法。分别构建火储、风储、光储联合调频策略， 将配套电池储能不同功能细化， 增强其在调频过程中的灵活性。优化配置模型以风光火储投资成本与运行成本最小为目标， 通过将电力系统能够释放的频率响应功率作为安全约束， 以及进行高阶多机系统频率响应的时域仿真后校验， 反馈频率安全割迭代求解。本文采用改进的IEEE 24节点系统验证了方法的有效性， 电池储能能够在平抑波动、减少新能源弃能以及参与电力系统调频之间灵活选择。

Diversified frequency regulation resources are an effective and inevitable approach for addressing frequency safety issues in new power system. With the differentiated frequency regulation strategy, an optimization configuration method for battery storage is proposed, coupling long-term planning with short-term unit combination in multiple scenarios. This method constructs joint frequency regulation strategies for thermal-storage, wind-storage, and solar-storage respectively, refining the various functions of battery storage to significantly enhance its flexibility in the frequency regulation process. The model aims to minimize investment and operation costs of the wind-solar-thermal-storage system. The model incorporates constraints of system frequency response power and high-order multi-machine system frequency response time-domain simulation for frequency safety. The effectiveness of the proposed method is validated through an improved IEEE 24 node system. It is demonstrated that battery storage can flexibly choose among various functions, such as smoothing fluctuations, reducing renewable energy curtailment, and participating in frequency regulation. The optimal frequency safety-economy solution is achieved.