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Photovoltaic microgrid microsource dynamic switching method

A micro-grid and micro-source technology, applied in photovoltaic power generation, energy industry, AC network circuits, etc., can solve the problems of micro-grid island operation mechanism, seamless two-way power flow, etc., and achieve the effect of dynamic and seamless switching

Active Publication Date: 2016-03-16
HEBEI QINHUAI DATA CO LTD
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Problems solved by technology

However, as a small and complete power generation, power supply and power consumption system, the microgrid has a large number of technical problems to be solved, such as the configuration of the network structure of the micropower supply, the real-time control of the micropower supply, loads and the microgrid system, the microgrid and the microgrid. Issues such as the seamless two-way power flow of the large power grid and the island operation mechanism of the microgrid

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  • Photovoltaic microgrid microsource dynamic switching method
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  • Photovoltaic microgrid microsource dynamic switching method

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Embodiment Construction

[0029] refer tofigure 1 , figure 2 , a photovoltaic micro-grid micro-source dynamic switching method of the present invention, comprising the following steps:

[0030] 1. As attached figure 1 As shown, a photovoltaic micro-grid system based on multi-micro-source nodes is established. The micro-sources in the system cooperate to focus on photovoltaic power generation micro-sources, so that the micro-grid system can maximize the power consumption ratio of power generation without affecting the output. .

[0031] attached figure 1 In order to increase the sufficient flexibility of the system, the organization method of the micro-grid adopts the power switch switching mode from each micro-source node to the main line, adopts the configuration strategy of dynamic extension of the topology of the micro-grid architecture, and the configuration strategy of autonomous routing of the micro-grid nodes to meet the requirements of the micro-grid architecture. The dynamic optimization c...

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Abstract

The invention relates to a photovoltaic microgrid microsource dynamic switching method. The method comprises the following steps: establishing a photovoltaic microgrid based on a multi-micro source node; establishing a dynamic mathematical model of the photovoltaic microgrid microsource; and performing multi-objective optimization on an adaptive multi-population genetic algorithm. The photovoltaic microgrid microsource dynamic switching method provided by the invention can realize dynamic seamless switching of the microsource inside the photovoltaic microgrid, and guarantee that the influence of the microsource on the output and performance of the microgrid in a switching process is the smallest.

Description

(1) Technical field [0001] The patent of the present invention relates to a method for dynamic switching of micro-sources inside a photovoltaic micro-grid. The whole solution has nothing to do with the power scale of the photovoltaic microgrid, and has certain universality. (2) Background technology [0002] The concept of photovoltaic microgrid was proposed by the American Electric Reliability Technology Solutions Association (CERTS) around 2000. It is first a distributed power supply mode, followed by multiple power supply micro-source nodes, energy storage nodes, A mutual aid network topology work form composed of load nodes and grid-connected nodes [1] . Research on microgrid technology has become one of the hotspots in the field of distributed energy system research, and it is likely to become an effective supplementary form of the existing main power grid. Energy exchange between the microgrid and the large grid can be carried out, and they can be used as backup for...

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Application Information

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IPC IPC(8): H02J3/38G06Q10/04G06Q50/06
CPCG06Q10/04G06Q50/06H02J3/383H02J2203/20Y02E10/56Y02E40/70Y02P80/14Y04S10/50
Inventor 张洪涛
Owner HEBEI QINHUAI DATA CO LTD
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