一种能量调度方法、设备、介质及系统

By employing a master-slave control architecture and a closed-loop feedback mechanism, the problems of battery overload and system instability in multi-machine parallel photovoltaic energy storage systems are solved, achieving efficient utilization of system resources and stable power supply.

CN121906463BActive Publication Date: 2026-07-17NINGBO GINLONG TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO GINLONG TECH
Filing Date
2026-03-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing multi-unit parallel photovoltaic energy storage systems, the limitations of real-time charging and discharging capabilities of batteries have not been effectively considered, leading to battery overload or damage. Furthermore, the systems cannot respond promptly to sudden changes in light intensity or load, resulting in system instability.

Method used

The system adopts a master-slave control architecture. The master obtains the operating status data of the slave, calculates the energy dispatch coefficient, and corrects the actual grid-connected power of the slave in combination with local constraints. The closed-loop feedback mechanism is used to compensate for power deviation and realize the automatic adjustment of the system.

Benefits of technology

This avoids equipment overload, extends system lifespan, improves system power supply reliability and stability, and maximizes the utilization of system resources.

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Abstract

本申请公开了一种能量调度方法、设备、介质及系统;方法步骤:主机获取储能系统的总充放电功率需求和有效可调度能量,并计算能量调度系数;根据得到的能量调度系数,结合各从机的运行状态计算期望并网功率,并基于本地约束条件对期望并网功率进行修正,得到各从机的实际并网执行功率;根据各从机的功率偏差,对能量调度系数进行修正,并根据修正后的能量调度系数重新确定各从机的实际并网执行功率。设备、介质及系统均用于实施上述的能量调度方法。本申请的有益效果:通过功率偏差补偿机制,能够将因局部约束未完成的功率任务重新分配给其他有能力执行的从机,避免了"短板效应",最大化利用系统资源。
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