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Micro-grid central control unit

A central controller and micro-grid technology, applied in the field of micro-grid, can solve the problems of intermittence of distributed power output power and variability of load power, which increases the difficulty of micro-grid frequency and voltage control

Inactive Publication Date: 2014-04-30
INNER MONGOLIA POWER GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the intermittence of output power and the variability of load power from distributed power sources generated by renewable energy increase the difficulty of microgrid frequency and voltage control

Method used

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Embodiment Construction

[0022] In order to have a further understanding of the purpose, structure, features, and functions of the present invention, the following detailed descriptions are provided in conjunction with the embodiments.

[0023] figure 1 Shows a block diagram of a microgrid central controller provided by the present invention, such as figure 1 As shown, the central controller includes a main control plug-in 101 , a substation event plug-in 102 and a sampled value plug-in 103 .

[0024] Among them, the main control plug-in 101 is used to realize the advanced application function of the microgrid; the substation event plug-in 102 and the sampling value plug-in 103 are used to interact with devices other than the central controller.

[0025] The following combination figure 2 A specific implementation scheme shown is described in detail.

[0026] In practice, the main control plug-in can be a Master plug-in, the substation event plug-in can be composed of multiple DSP plug-ins, and th...

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PUM

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Abstract

The invention discloses a micro-grid central control unit. The micro-grid central control unit comprises a master control plug-in component, a transformer substation event plug-in component and a sampling value plug-in component, wherein the master control plug-in component is used for achieving the micro-grid advanced application function, and the transformer substation event plug-in component and the sampling value plug-in component are used for carrying out information interaction with devices except the central control unit. Fully-digitized information interaction of the micro-grid central control unit can be achieved.

Description

technical field [0001] The invention relates to the field of microgrid technology, in particular to a microgrid central controller. Background technique [0002] Microgrid refers to a small-scale power generation and distribution system composed of distributed power sources, energy storage devices, energy conversion devices, related loads, monitoring and protection devices. Microgrids can realize self-control, protection and management, and can also operate in isolation. [0003] The microgrid needs to transition as smoothly as possible during the switching process of different operating modes, and its control process is very complicated. If seamless switching between different operating modes is to be realized, the response speed of its control is required to be higher. [0004] In large grids, frequency can be maintained by generators with high inertia in large power plants, and voltage can be maintained by regulating reactive power. In the microgrid, due to the use of a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCY02B90/20Y04S40/124
Inventor 邓昆玲孙丙新李秀芬刘海涛胡宏彬吴波邓凤婷云峰郭杉
Owner INNER MONGOLIA POWER GRP