An energy storage system configuration method and system

An energy storage system and particle swarm algorithm technology, applied in the energy storage system configuration method and system field, can solve problems such as single optimal configuration model, inability to guarantee the optimal scheduling state of the energy storage system, and insufficient performance of the energy storage system
CN104809531BActive Publication Date: 2018-07-13STATE GRID CORP OF CHINA +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
STATE GRID CORP OF CHINA
Publication Date
2018-07-13

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Abstract

The invention provides an energy storage system collocation method, which comprises the steps: obtaining target data; utilizing a mixed integral linear programming method and a particle swarm optimization to respectively calculate an energy storage system scheduling objective function and an energy storage system optimizing objective function; utilizing an energy storage system optimizing collocation result to collocate an energy storage system, wherein the building processes of the energy storage system scheduling objective function and the energy storage system optimizing objective function comprise the steps: a distributed generation mathematic model in a virtual power plant is built; a sub-objective function is analyzed and built according to the mathematic model and the effect of the energy storage system in the virtual power plant and comprises an economy sub-objective function, a network supply sub-objective function and a voltage sub-objective function; the energy storage system scheduling objective function and the energy storage system optimizing objective function are respectively built according to the sub-objective functions. According to an optimizing collocation result solved by an energy storage system optimizing collocation model, the energy storage system of each collocation can be in an optimal scheduling state during operation and work.
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Description

Technical field

[0001] The application relates to the field of electric power, and in particular to a method and system for configuring an energy storage system. Background technique

[0002] With the development of technology, people have higher and higher requirements for the configuration of energy storage systems.

[0003] The existing large-scale photovoltaic energy storage system configuration method obtains the charging and discharging control strategy of the energy storage system by using the first-order low-pass filtering algorithm to process the photovoltaic output power. The energy storage system is established by taking the average annual minimum cost as the objective function The (ESS) optimal configuration model is relatively simple and does not fully reflect the role of the energy storage system. The obtained optimal configuration results cannot guarantee that the energy storage system of each configuration is in the optimal scheduling state during operation.

[0004] ...

Claims

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