A new type of micro-grid system control device

A control device and microgrid technology, applied in circuit devices, AC network circuits, electrical components, etc., can solve the problems of unsatisfied system real-time, reliability and stability, and difficult to connect and operate multiple microgrids.

Active Publication Date: 2016-11-23
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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  • Abstract
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Problems solved by technology

[0007] The control device of the microgrid system is one of the cores of the microgrid system. The traditional microgrid control mode is a centralized control mode. All information needs to be completed by the central controller of the microgrid. The real-time performance, reliability and The stability is not satisfied, the operation control is simple, and it is not easy to carry out multi-microgrid contact operation

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  • A new type of micro-grid system control device
  • A new type of micro-grid system control device

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Embodiment Construction

[0023] The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] Such as figure 1 As shown, a micro-grid system control device provided by the present invention is based on a distributed multi-agent control system, and is the control center of the micro-grid operation. The present invention is divided into three control layers, that is, monitoring layer (station control layer), interval layer, and process layer. Each layer has relatively independent control and management functions. The real-time performance, stability and security of the system.

[0025] The monitoring layer includes micro-grid energy monitoring and energy management software, as well as database servers. The control cycle is hourly, and it focuses on completing the micro-grid system, including intermittent power generation unit power generation plan, load power consumption plan, energy storage power generation plan, diesel...

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Abstract

The invention discloses a new type of micro-grid system control device, which is characterized in that it includes: distributed power generation equipment information collection system unit, energy storage power generation unit, environmental monitoring unit, simulated load unit, actual load unit, bottom equipment control, Process layer composed of management unit and microgrid local coordination controller; bay layer composed of microgrid central control; monitoring layer composed of microgrid energy monitoring and energy management software. The present invention realizes overall control, coordination and optimization of microgrid power generation equipment, electrical equipment, and remote power grid dispatching through three-layer control of the microgrid, and realizes multi-layer, multi-target distributed, and multi-agent control devices to form a multi-level The data center can efficiently implement various control functions of the micro-grid, making the entire micro-grid system run stably, safely and efficiently.

Description

technical field [0001] The invention belongs to the technical field of micro-grid power generation, and relates to a novel micro-grid system control device. Background technique [0002] With the continuous development of the national economy, the rapid growth of electricity demand and serious environmental pollution, the development of new energy is imperative. However, due to the randomness of new energy such as wind energy and solar energy, the existing power grid cannot meet the requirements of large-scale wind and solar power generation access, which has become a major obstacle to the large-scale development of renewable energy distributed power generation in my country. [0003] Microgrid mainly refers to a (small) distribution subnetwork composed of distributed power generation devices, energy storage links and local loads, while distributed power generation is more inclined to use new renewable energy sources (wind energy and solar energy, etc.). [0004] The micro-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00H02J13/00
Inventor 李鹏郭晓斌许爱东雷金勇黄焘申展
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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