A method and system for evaluating operation benefits of a photovoltaic energy storage air conditioning system

By constructing a multi-energy flow time-series dataset and a hierarchical quantitative evaluation method, the problems of unreasonable energy coupling and energy storage life decay in photovoltaic energy storage air conditioning systems were solved, and the efficient collaborative operation and economic optimization of the system were achieved.

CN122134203APending Publication Date: 2026-06-02GUANGXI TECHCAL COLLEGE OF MACHINERY & ELECTRICITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI TECHCAL COLLEGE OF MACHINERY & ELECTRICITY
Filing Date
2026-03-18
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing technologies are insufficient to reflect the overall operational benefits under multi-energy flow coupling conditions in photovoltaic energy storage air conditioning systems. They lack comprehensive consideration of long-term operational benefits, energy storage life reduction, and economic discounting factors, and cannot provide targeted optimization strategies. Furthermore, they are difficult to identify problems such as unreasonable energy allocation, low energy storage utilization, and decreased air conditioning system efficiency.

Method used

By constructing a multi-energy flow time-series dataset, the dynamic collaborative operation benefit index, coupling loss identification index, and lifetime discounted comprehensive benefit index are calculated to achieve hierarchical quantitative evaluation of photovoltaic power generation, energy storage regulation, and air conditioning load. When threshold conditions are not met, optimization strategies are automatically triggered to form a closed-loop control mechanism.

Benefits of technology

It improved the overall collaborative operation level of the system, reduced the overall energy loss, enhanced the long-term operating economy, and solved the problems of energy coupling imbalance and energy storage life decay through automatic optimization strategies.

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Abstract

This invention provides a method and system for evaluating the operational benefits of a photovoltaic energy storage air conditioning system, relating to the field of energy-saving air conditioning control technology. By constructing a multi-energy flow time-series dataset, this invention calculates a dynamic collaborative operation benefit index, a coupling loss identification index, and a lifetime discounted comprehensive benefit index, achieving a hierarchical quantitative evaluation of the energy coupling relationship between photovoltaic power generation, energy storage regulation, and air conditioning load, the system's overall loss level, and its life-cycle economics. Furthermore, it combines preset thresholds for judgment and early warning, triggering collaborative reconfiguration, loss suppression, and lifetime benefit optimization strategies to form a closed-loop adaptive control mechanism. This invention can improve the system's collaborative operation efficiency, reduce overall energy loss, delay energy storage lifetime decay, and improve long-term operational benefits and stability.
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