Energy storage and power grid coordination control system based on photovoltaic priority energy supply

By monitoring the status of photovoltaic modules and energy storage units in real time, and dynamically calculating the weight coefficient to optimize power distribution, the problem of photovoltaic priority energy supply in the integrated photo storage system is solved, and the energy efficiency and stability of the system are improved.

CN120377344AActive Publication Date: 2025-07-25TIANJIN HAOCHEN INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202510886746.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-30
Publication Date
2025-07-25
Estimated Expiration
2045-06-30

AI Technical Summary

Technical Problem

The existing integrated photo storage system lacks dynamic reflection of the principle of priority power supply for photovoltaics in power scheduling, inflexible power distribution method, lagging grid access response, and lacks adaptive adjustment to dynamically adjust the output current according to real-time operating status.

Method used

The data acquisition module monitors the power of the photovoltaic module and the charge state of the energy storage unit in real time, combines the load requirements, dynamically calculates the weight coefficients of the photovoltaic and energy storage, optimizes the power distribution path, and connects it to the power grid for energy when necessary, ensuring priority utilization of photovoltaics.

Benefits of technology

It has achieved the maximum utilization of photovoltaic resources, extended the life of energy storage equipment, improved the overall energy efficiency and operating stability of the system, and ensured power supply reliability.

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Abstract

The invention discloses an energy storage and power grid coordination control system based on photovoltaic preferential energy supply, and relates to the technical field of power system dispatching automation, and the method comprises the steps: collecting the output power of a photovoltaic module, the charge state value of an energy storage unit and a load power demand in real time; dynamically calculating a photovoltaic and energy storage power distribution weight based on a preset photovoltaic priority energy supply strategy, and determining target output power of a photovoltaic module and an energy storage unit; when photovoltaic and energy storage cannot meet load requirements, power grid access control is automatically judged and triggered, so that continuity and stability of power supply are guaranteed. The problems that in the prior art, in the power dispatching process of an optical storage integrated system, dynamic reflection of the photovoltaic priority energy supply principle is lacked, the power distribution mode is not flexible, the power grid access response lags behind, and self-adaptive adjustment of dynamically adjusting the output current according to the real-time operation state is lacked are solved.
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