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Microgrid power supply control method and device

A technology for power supply control and micro-grid, applied in the field of power grid, can solve the problem of power fluctuation of micro-grid, and achieve the effect of reducing power fluctuation

Active Publication Date: 2019-04-12
STATE GRID BEIJING ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a micro-grid power supply control method and device to solve the problem that the micro-grid is prone to power fluctuations when the micro-grid is powered

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  • Microgrid power supply control method and device

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Embodiment Construction

[0037] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0038]In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0039] It should be noted that the terms "first" and "second" in t...

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Abstract

The invention discloses a micro power grid power supply control method and device; the micro power grid power supply control method comprises the following steps: detecting the power of a micro power grid system; determining whether the power, supplied to the micro power grid system by the an external power supply system, has superfluous electric energy according to the power of the micro power grid system; if yes, storing the superfluous electric energy in a preset electric energy storage system; determining whether the power of the micro power grid system is bigger than a first preset power threshold or not; if yes, using the external power supply system and the preset electric energy storage system to commonly supply power to the micro power grid system. The method and device can reduce micro power grid power fluctuation when the micro power grid is being powered up.

Description

technical field [0001] The invention relates to the field of power grids, in particular to a method and device for controlling power supply of a micro-grid. Background technique [0002] Distributed Generation (DG for short) is an important form of development and utilization of renewable energy, which plays an active role in improving power supply reliability and power quality. The microgrid has the characteristics of flexible operation mode, independent controllability, and effective regulation of distributed power generation. Therefore, it is of great practical significance to realize the efficient use of renewable energy in the form of microgrid for distributed power generation. [0003] Renewable energy power generation is often very intermittent and random, and the power consumption of the microgrid system is quite different at different times, making it inevitable that there will be power fluctuations during the operation of the microgrid system, which may easily caus...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38H02J3/28G06F17/50
CPCY02E60/00
Inventor 张凯刘庆时李伟刘卫国李雪男孙昕刘方蓝张欣马雪峰吕阳
Owner STATE GRID BEIJING ELECTRIC POWER