Distributed series-coupled type power flow controller

A power flow controller, series coupling technology, applied in AC network circuits, flexible AC transmission systems, electrical components, etc., can solve the problems of uneconomical power grid operation, unbalanced power flow distribution, unreliability, etc., and achieve the effect of simple and reliable operation

Inactive Publication Date: 2015-02-04
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unbalanced distribution of power flow results in

Method used

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  • Distributed series-coupled type power flow controller
  • Distributed series-coupled type power flow controller
  • Distributed series-coupled type power flow controller

Examples

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] Such as Figure 1-Figure 4 , the present invention provides a distributed series coupled power flow controller, the controller includes a control cabin 1, a coupling transformer cabin 2, a hinge 3 and an anti-off hinge bolt 4; the control cabin 1 and the coupling transformer cabin 2 are integrated It is composed of upper hatch and lower bilge and can be opened and closed; one side of the upper hatch and lower bilge is connected by hinge 3, and the other side is fastened by anti-off hinge bolt 4; the control cabin 1, coupling The transformer cabin 2 is made of aluminum alloy material.

[0030] The mating surface of the upper hatch cover and the lower bilge is of a notch type, and a sealing strip 5 is provided.

[0031] The connection between the control cabin 1 and the coupling transformer cabin 2 is a stepped structure, and a signal transmitting and ...

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Abstract

The invention provides a distributed series-coupled type power flow controller comprising a control cabin (1), a coupling transformer cabin (2), a hinge (3) and an anti-falling hinge bolt (4), wherein the control cabin (1) and the coupling transformer cabin (2) are integrated, consist of an upper cabin cover and a lower cabin bottom, and can be opened and closed; one side of each of the upper cabin cover and the lower cabin bottom is connected by virtue of the hinge (3), and the other side of each of the upper cabin cover and the lower cabin bottom is fastened by virtue of the anti-falling hinge bolt (4); and the control cabin (1) and the coupling transformer cabin (2) are made of an aluminum alloy material. The distributed series-coupled type power flow controller provided by the invention can be applied to power flow control of power transmission and distribution networks, has positive effects on reducing power transmission loss of power grids and improving the running stability and reliability of the power grids, is always fixed on an overhead line, and is small in structure volume, light in weight and convenient to assemble and maintain.

Description

technical field [0001] The invention belongs to the application field of power electronics, and in particular relates to a distributed series coupled power flow controller. Background technique [0002] At present, there are problems of uneven distribution of power flow in some transmission and distribution networks in my country. Since the construction of the line and the development of the load are often not completely coordinated and matched with each other, some lines are under the influence of unbalanced load distribution and grid structure, and are in a long-term overload state, while other parts of the line are in a long-term light-load state. Unbalanced distribution of power flow results in uneconomical and unreliable power grid operation. The power grid urgently needs an effective power flow regulation method, which can not only meet the economical and controllable needs of power grid operation, but also greatly improve the efficiency of power grid transmission and...

Claims

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Application Information

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IPC IPC(8): H02J3/00
CPCH02J3/00Y02E40/10
Inventor 常忠王承民赵刚刘慧文袁洪亮段全新张雷
Owner STATE GRID CORP OF CHINA
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