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Energy optimization management method for AC/DC hybrid household microgrid

An AC-DC hybrid, energy-optimized technology, applied in the direction of AC network load balancing, AC network voltage adjustment, DC network circuit devices, etc., to achieve the effects of improving economy, reducing costs, and ensuring comfort

Active Publication Date: 2020-02-04
CHINA MINSHENG INVESTMENT CORP +2
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Problems solved by technology

[0004] The purpose of the present invention is to provide an AC-DC hybrid home microgrid energy optimization management method, thereby solving the aforementioned problems existing in the prior art

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  • Energy optimization management method for AC/DC hybrid household microgrid
  • Energy optimization management method for AC/DC hybrid household microgrid
  • Energy optimization management method for AC/DC hybrid household microgrid

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[0059] 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. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0060] An energy optimization management method for an AC-DC hybrid household microgrid, first establishing the network architecture of the AC-DC hybrid household microgrid, such as figure 1 As shown, it includes an energy management system, a static switch, and an AC / DC bus; the energy management system includes photovoltaic power generation, battery energy storage equipment, and various household loads; the AC bus is connected to 380V mains to provide power, and the DC bus passes through The / AC is connected to the AC bus, photovoltaic power generation, battery energy storage, and DC home applia...

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Abstract

The invention provides an energy optimization management method for an AC / DC hybrid household microgrid. An AC / DC double-bus structure is considered, an AC / DC hybrid household microgrid energy optimization management mathematical model with the load flexibility being considered is established on the basis of analyzing random fluctuation of renewable energy and load requirements, and the energy optimization management mathematical model is solved by adopting a dynamic planning method. Complementary operation and optimization regulation and control of AC and DC loads and stored energy in a household energy system can be realized, and the economy of household energy consumption is improved while the comfort is ensured.

Description

technical field [0001] The invention relates to the field of power grid management, in particular to an energy optimization management method for an AC-DC hybrid household micro-grid. Background technique [0002] Home energy management is mainly to detect and control the use of home energy through devices such as smart meters, smart terminals, and sensors, and then further optimize it in combination with optimal scheduling algorithms, so as to achieve energy saving and consumption reduction and improve energy economy while satisfying user comfort. sexual purpose. The traditional household energy system is mainly based on AC power distribution. There are many links in the power distribution process and the power consumption efficiency is low. However, with the increase of DC loads such as electric vehicles, computers, LED lighting, and distributed DC power sources such as solar photovoltaic power Large-scale access, DC power distribution is subject to more and more research...

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Application Information

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IPC IPC(8): H02J5/00H02J3/14H02J3/32H02J1/00
CPCH02J1/00H02J3/14H02J3/32H02J5/00Y02E70/30
Inventor 江红胜陈庆车凯袁栋董伯先杨景刚肖小龙
Owner CHINA MINSHENG INVESTMENT CORP
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