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A microgrid power flow controller

A technology of power flow controller and microgrid, applied in sustainable manufacturing/processing, AC network with the same frequency from different sources, climate sustainability, etc. Adjust the size of energy supply and other issues to achieve the effect of stable energy consumption, stable power supply size, and reduced impact

Active Publication Date: 2018-09-11
江苏汉尔源智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the electric spring is a relatively new technology, and many energy supplies have not been studied in depth. This technology cannot adjust the energy supply at the power supply end, which leads to the defect that the overall energy supply of the microgrid cannot be increased when the overall energy supply is too low.

Method used

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  • A microgrid power flow controller
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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0025] An embodiment of the present invention proposes a power flow controller applied to a micro-grid using new energy sources. The power flow controller includes an adjustable transformer based on power electronic devices, an electric spring, and a controller. The adjustable transformer based on power electronic devices is installed in the step-down transformer of the main grid and controlled by the controller. It is low in cost and simple in design, and ...

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Abstract

The invention relates to a microgrid tide current controller, and the tide current controller comprises an adjustable transformer, electric springs, and a controller. The adjustable transformer is embedded into a step-down transformer of a main power grid, is connected with the controller, and carries out the overall control of the tide current of a microgrid. The electric springs are distributed in a power distribution network, and carry out the local control of the tide current of the microgrid. Compared with the prior art, the controller can effectively carry out the control of the tide current of a new energy microgrid.

Description

technical field [0001] The invention relates to a micro-grid power flow controller, in particular to a new energy-based micro-grid power flow controller. Background technique [0002] The traditional power flow control technology uses droop control, but due to the unbalanced impedance of the grid, this technology cannot achieve power balance, so a high-gain angle droop technology is proposed, but due to the impact of intermittent new energy in the microgrid, the high-gain angle droop technology Control requirements have been unable to meet. [0003] Battery energy storage technology can effectively solve the impact of intermittent new energy on the grid and load changes. When the grid and new energy supply too much energy, the battery energy storage device stores excess energy. When the energy supply is insufficient, it releases energy and It can effectively solve the volatility problem of new energy. However, the technology is too expensive and has weak scalability, and w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/06
CPCY02P80/14
Inventor 曼苏乐刘坤
Owner 江苏汉尔源智能科技有限公司