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Optical storage power station rotation optimization control method and device

An optimized control and power station technology, applied in circuit devices, battery circuit devices, photovoltaic power generation, etc., can solve problems such as shortened service life of lithium batteries in energy storage power stations, and achieve the effect of prolonging service life and realizing working hours

Inactive Publication Date: 2022-04-15
STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a rotation optimization control method and device for an optical storage power station, which is used to solve the technical problem that the service life of the lithium battery of the energy storage power station is greatly shortened

Method used

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  • Optical storage power station rotation optimization control method and device
  • Optical storage power station rotation optimization control method and device
  • Optical storage power station rotation optimization control method and device

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Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0017] see figure 1 , which shows a flow chart of a rotation optimization control method for an optical-storage power station of the present application.

[0018] Such as figure 1 As shown, the rotation optimization control method of the photovoltaic storage power station specifically includes the following steps:

[0019] Step 1: According to ...

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Abstract

The invention discloses an optical storage power station rotation optimization control method and device, and the method comprises the steps: determining the maximum value of the power needing to be consumed by an optical storage power station according to the photovoltaic power generation power and the load power utilization power; determining the total number of battery units needing to be configured according to the maximum value of the power needing to be consumed by the optical storage power station and the rated power of the battery units; the operation states of the battery units are divided into rated power operation, fluctuating power operation and shutdown; and determining the operation state of each battery unit in each time period by adopting a value rotation mode. The operation states of the battery units are divided into rated power operation, fluctuating power operation and shutdown, and the battery units are operated among the three states in turn by optimizing the working states of the lithium batteries of the energy storage power station, so that the purpose of balancing the working time of the battery units is achieved, and the service life of the lithium batteries is effectively prolonged.

Description

technical field [0001] The invention belongs to the technical field of photovoltaic energy storage, and in particular relates to a rotation optimization control method and device for a photovoltaic storage power station. Background technique [0002] With the rapid growth of new energy power generation represented by wind power and photovoltaics, the instability, intermittency, and anti-peaking characteristics of wind power will have an impact on the safe, stable operation and economy of the power system. Energy storage is an important infrastructure to improve the flexibility of the power system, improve the utilization efficiency of wind and solar resources, and enhance the safety and reliability of the power supply system. As a key component of the energy storage system, the cycle life of the lithium battery determines the construction cost and is a key factor restricting its large-scale application in the energy storage field. [0003] At present, the existing research ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32H02J3/38H02J7/35
CPCY02E10/56Y02E70/30
Inventor 曾伟李建林马速良熊俊杰赵伟哲李佳
Owner STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST
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