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Micro-grid dual-energy-storage droop coordination control method and system and storage medium

An energy storage system and micro-grid technology, applied in the field of micro-grid systems, can solve problems that affect the stability of micro-grid systems, system power instability, output power fluctuations, etc., and achieve the goal of improving load voltage quality, improving operation, and fast and stable Effect

Pending Publication Date: 2022-02-18
珠海吉瓦科技有限公司 +1
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  • Abstract
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Problems solved by technology

When the microgrid is in mode switching or isolated grid mode, the output power of the wind power generation system and the photovoltaic power generation system will fluctuate, so that the power of the microgrid system will change accordingly and fluctuate. Long-term fluctuations will cause the system power to be extremely unstable. Seriously affect the stability of microgrid system operation

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  • Micro-grid dual-energy-storage droop coordination control method and system and storage medium
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  • Micro-grid dual-energy-storage droop coordination control method and system and storage medium

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Embodiment Construction

[0033] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0034] In the description of the present invention, the meaning of several means one or more, and the meaning of multiple means two or more than two. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number . If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number...

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Abstract

The invention discloses a micro-grid dual-energy-storage droop coordination control method and system and a storage medium, and relates to the field of micro-grid systems. The micro-grid dual-energy-storage droop coordination control method is provided for a micro-grid dual-energy-storage system, the stability of output power of loads in a micro-grid can be improved, and the load voltage quality can be improved, so that the micro-grid can realize smooth switching in a mode switching state process.

Description

technical field [0001] The present invention relates to the field of microgrid systems, and in particular to a method, system and storage medium for dual energy storage droop coordination control of microgrids. Background technique [0002] Renewable energy has developed rapidly in recent years. Wind-solar hybrid microgrids have been more and more widely used due to their high stability of power supply for loads and low system costs. However, wind power generation systems and photovoltaic power generation systems in microgrids are affected by climate and environmental factors. Restrictions, with the characteristics of randomness and intermittent, in order to ensure the continuity and stability of load power, it is necessary to equip corresponding energy storage systems, such as battery energy storage system (Battery Energy Storage System, BESS) and supercapacitor energy storage system ( Super Capacitor Energy Storage System, SCESS). [0003] In the case of poor wind and sun...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/24H02J3/28H02J3/38
CPCH02J3/002H02J3/28H02J3/24H02J3/38H02J3/381H02J3/388H02J2203/10H02J2203/20H02J2300/24H02J2300/28H02J2300/40Y02E10/56
Inventor 黄沛明
Owner 珠海吉瓦科技有限公司
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