Intelligent micro-grid monitoring system and monitoring method

A technology of intelligent micro-grid and monitoring system, applied in information technology support system, energy industry, comprehensive factory control, etc., can solve problems such as complex control process

Active Publication Date: 2014-06-18
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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Problems solved by technology

The smart microgrid needs to transition as smoothly as possible during the switchin

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  • Intelligent micro-grid monitoring system and monitoring method

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Embodiment Construction

[0029] In order to further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Smart microgrid is the inevitable result of economic and technological development. Specifically, it is to use advanced technology to improve the performance of power system in terms of energy conversion efficiency, power utilization rate, power supply quality and reliability. The basis of intelligent microgrid is distributed data transmission, computing and control technology, and efficient transmission technology of data and control commands between multiple power supply units.

[0031] Monitoring system network structure of the present invention is referring to appendix figure 2 As shown, DCS / MEMS (Micro-Electro-Energy-Management System intelligent micro-grid management system) + field bus m...

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Abstract

The invention discloses an intelligent micro-grid monitoring system and a monitoring method. Distributed energy sources and the characteristic of each piece of control equipment in an intelligent micro-grid are considered comprehensively, a monitoring management system is optimized, and safe and reliable running of a micro-grid is ensured. The framework of the monitoring system consists of three layers, wherein a first layer is a DG intelligent monitoring terminal which comprises a plurality of micro power controllers and a load controller; a second layer is a protection and coordination controller XT which comprises an intelligent micro-grid mode controller and an intelligent micro-grid central controller; a third layer is an MEMS (Micro Electro Mechanical System) for ensuring stable and economical running of an entire micro-grid system. The monitoring system and the monitoring method can be widely applied to an intelligent micro-grid project consisting of multiple distributed power supplies such as wind, light, gas turbines, firewood and storage, and are used for determining an optimized monitoring management system during projection construction plan.

Description

technical field [0001] The invention relates to a power system control technology, in particular to a power system transmission and distribution monitoring technology of an intelligent microgrid. Background technique [0002] Smart microgrid refers to a small power generation and distribution system composed of distributed power generation DG (Dispersed Generation), energy storage devices, energy conversion devices, related loads, monitoring and protection devices. It is a system that can realize self-control, protection and management. The autonomous system can operate in parallel with the large power grid or in isolation to independently provide electricity for local loads. Existing research and practice have shown that connecting DG to the large power grid in the form of a microgrid for parallel operation and supporting each other with the large power grid is the most effective way to exert the efficiency of DG. [0003] At present, a large number of distributed power so...

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Application Information

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IPC IPC(8): H02J13/00G05B19/418
CPCY02B90/20Y02P80/20Y02P90/02Y04S20/00
Inventor 李煜东汪少勇周伟冷祥彪谭江平
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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