Microgrid group-oriented public energy storage power station configuration method and system

A technology for energy storage power stations and microgrid clusters, applied in circuit devices, energy reserves, AC network circuits, etc., can solve the problems of poor economy and high investment costs, optimize the operation process, reduce energy waste, and reduce power generation. cost effect

Active Publication Date: 2021-04-30
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003]Under the current technological development conditions, the investment cost of microgrid directly equipped with energy storage equipment is relatively high, and the economy is not strong

Method used

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  • Microgrid group-oriented public energy storage power station configuration method and system
  • Microgrid group-oriented public energy storage power station configuration method and system
  • Microgrid group-oriented public energy storage power station configuration method and system

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0043] In the present invention, the terms "first", "second" and the like (if any) in the present invention and drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0044] figure 2 It is a flow chart of a microgrid group-oriented public energy storage station configuration method provided by an embodiment of the present inve...

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Abstract

The invention discloses a microgrid group-oriented public energy storage power station configuration method and system, and belongs to the field of power system energy storage. The method comprises the steps of: establishing a construction cost model of a public energy storage power station, with the construction cost model being in positive correlation with public energy storage power station power and public energy storage power station capacity; establishing a total operation cost model of the microgrid group-public energy storage power station system, and setting the weighted sum of the construction cost model and the total operation cost model as a total cost model; and under the condition that the parameters in the total cost model enable the public energy storage power station and each microgrid to meet corresponding constraint conditions and enable the microgrid group and the public energy storage power station to meet energy consumption coupling constraint conditions, calculating the public energy storage power station power and the public energy storage power station capacity which enable the total cost model to be minimum in value. The average energy storage investment cost of the microgrid group can be reduced, the absorption level of renewable energy sources is improved, and economic and stable operation of an energy system of the microgrid group is ensured.

Description

technical field [0001] The invention belongs to the field of power system energy storage, and more specifically relates to a configuration method and system for a public energy storage power station facing a microgrid group. Background technique [0002] As emerging industries, energy storage and microgrid are rising, and they are also hot spots and difficulties in the field of energy technology innovation in the world. my country's energy storage technology is developing from small-capacity and small-scale research demonstrations to large-scale large-scale applications, and has become the basis for building new energy microgrids. In the development of microgrids, energy storage can support distributed energy, demand response, power quality management and control, and other auxiliary services in microgrids, and play a role in peak shaving and valley filling and reducing operating costs of microgrids. . In addition, from a long-term perspective, the continuous reduction of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32
CPCH02J3/32H02J2203/20Y02E70/30
Inventor 王燕舞何璇崔世常肖江文
Owner HUAZHONG UNIV OF SCI & TECH
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