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Local control method for energy management unit of household microgrid energy router

An energy management and local control technology, applied in the direction of AC and DC network circuit layout, current collectors, electrical components, etc., can solve problems such as it is difficult to continue to maintain economic and social health, coordination and sustainable development, and achieve local The effect of absorption

Active Publication Date: 2019-12-03
天津大学(青岛)海洋工程研究院有限公司
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Problems solved by technology

Relying on traditional fossil fuels has made it difficult to maintain healthy, coordinated and sustainable economic and social development

Method used

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  • Local control method for energy management unit of household microgrid energy router
  • Local control method for energy management unit of household microgrid energy router

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Embodiment Construction

[0053] Research energy management unit (EMU) local control technology. Based on the AC-DC hybrid microgrid based on the home pan-new energy microgrid energy router as the core, its EMU integrates single-chip computers with different operation control strategies, according to two different users (users with stable mains supply and users with unstable mains supply) users) proposes a set of control logic for household microgrids in grid-connected mode, off-grid mode, and restricted mode to realize coordinated control of household-level microgrid routing energy management and scheduling, and multi-voltage level sequence AC-DC bus energy flow , which can ensure that the household microgrid operates independently and safely without receiving background control instructions, and finally realizes the maximum utilization of photovoltaic power generation.

[0054]In the process of microgrid operation and management, EMU needs to continuously collect and control various variables in the ...

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Abstract

The invention discloses a local control method for an energy management unit of a household microgrid energy router, and aims to research and develop household microgrid energy router energy management unit equipment for a household microgrid system formed by household photovoltaic power generation equipment, lithium battery energy storage equipment and typical household appliances and for the problems of stable operation, cooperative control and the like of the system. When the commercial power fails, the household microgrid energy router energy management unit equipment is in local linkage with a DC lighting main control unit DCU to execute an MEMS simple scheduling command and allow the most appropriate household microgrid to supply power to the DC lighting LED, and the main-standby complementation of the AC power grid and the household light storage DC microgrid is achieved. The EMU integrates a single-chip microcomputer containing different operation control strategies, provides aset of control logic of the household microgrid in a grid-connected mode, an off-grid mode and a limited mode, achieves household-level microgrid routing energy management scheduling and coordinationcontrol of multi-voltage-level sequence AC / DC bus energy flow, and achieves maximum utilization of photovoltaic power generation.

Description

technical field [0001] The invention relates to the field of application problems for solving household distributed photovoltaic power generation, lithium battery energy storage, integrated optimization control and management of typical household appliances (LED lamps), and especially designs a local control of the energy management unit of the household microgrid energy router method. Background technique [0002] At present, our country is in an important stage of rapid economic and social development. In the process of realizing industrialization, informatization and urbanization, we are facing various challenges, such as the constraints of the environment and resources on the development of human society; energy and the environment are the same as greenhouses. The contradiction between gas emissions; the balance of development and utilization of resources and energy, etc. Relying on traditional fossil fuels has made it difficult to maintain healthy, coordinated and sust...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J4/00H02J3/38H02J7/35
CPCH02J4/00H02J7/35Y02B10/10Y02E10/56
Inventor 王丹马喜然苏朋飞
Owner 天津大学(青岛)海洋工程研究院有限公司
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