Linear power networking distributed optical storage system and implementation method thereof

By predicting the photovoltaic power generation with high accuracy and modulating it into a linear grid power, combining energy storage systems and real-time electricity price prediction, the grid impact problem of photovoltaic power generation in rural areas is solved, the stable returns and grid friendliness of photovoltaic power generation are achieved, and the ability of photovoltaic power generation is enhanced to participate in the power market.

CN120414657AActive Publication Date: 2025-08-01SHANGHAI LIGHT RING ENERGY TECH CO LTD
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Patent Information

Application Number
CN202510912664.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2025-08-01
Estimated Expiration
2045-07-03

AI Technical Summary

Technical Problem

When existing photovoltaic power generation systems are laid on a large scale in rural areas, they are prone to cause reverse flow overload and overvoltage of low-voltage grade transformers. The photovoltaic power generation characteristics lead to deterioration of the power supply and demand relationship, and the abandonment of light is serious, affecting the yield rate and grid safety. The existing energy storage arbitrage model has instability and grid source contradiction.

Method used

By predicting the photovoltaic power generation with high precision, modulating it into a linear grid power, dynamic compensation is performed in combination with the energy storage system, and adjusting the charging and discharging strategy using real-time electricity price prediction to simulate the power generation characteristics of thermal power plants to participate in power market transactions.

Benefits of technology

It has improved the power grid's ability to accept renewable energy, stabilized the profit level of photovoltaic power generation, reduced the grid scheduling pressure, enhanced the network connection friendliness of the optical storage system, and improved the market-oriented arbitrage level.

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Abstract

The invention provides a linear power grid-connected distributed optical storage system and an implementation method thereof, and the method comprises the steps: S1, carrying out the prediction of the daily photovoltaic power generation through a new energy output high-precision prediction module, and obtaining a prediction result; and S2, a linear power modulation module modulates a daily power generation curve according to a prediction result, and modulates a steamed bun curve into linear on-grid power. A traditional steamed bun curve is modulated into stable linear on-grid power, dynamic compensation is carried out through the energy storage system, the impact of photovoltaic output fluctuation on a power grid is reduced, the capability of the power grid for accepting renewable energy sources is improved, and the requirement of the power grid for stable power supply is met.
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