Magnetically controlled reactor

A technology of magnetron reactor and rectifier circuit, applied in inductors, variable inductors, circuits, etc., can solve the problem of high harmonic content, reduce high harmonics and improve AC magnetic flux characteristics, the effect of reducing the content of high-order harmonics

Inactive Publication Date: 2016-03-30
STATE GRID SHANDONG ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the structure disclosed in the invention patent has the defect of high harmonic content

Method used

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  • Magnetically controlled reactor

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Embodiment Construction

[0021] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but 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 belong to the protection scope of the present invention.

[0022] In the description of the present invention, it should be noted that the orientations indicated by the terms "middle", "both sides", "upper", "lower", "left", "right", "vertical", "horizontal" etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation...

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Abstract

The invention discloses a magnetically controlled reactor, comprising a first terminal, a second terminal, a closed-loop iron core and a controllable rectifying circuit, wherein the closed-loop iron core comprises four iron core legs, the sections of the four iron core legs have the same area, two ends of each two iron core legs are connected by magnet yokes, and two iron core legs placed in the middle portion of the closed-lop iron core are respectively wound with a coil; the dotted terminals of the first and second coils are respectively connected with the first terminal while the non-dotted terminals are respectively connected with the output end of the controllable rectifying circuit; the input end of the controllable rectifying circuit is connected with an external control circuit for rectifying under the control of control signals output by the external control circuit. The magnetically controlled reactor provided by the invention has the advantages of simple structure and fewer higher harmonic waves.

Description

technical field [0001] The invention relates to the technical field of electric power system inverter, in particular to a magnetron reactor. Background technique [0002] Reactors are widely used in power systems. The reactance value of magnetically controlled reactors can be continuously adjusted, and they are widely used in the field of reactive power control. [0003] The magnetron reactor, also known as the saturable reactor, uses the saturation characteristic of the closed-loop iron core of the magnetron reactor to change the reactance value of the reactor. At present, many types of magnetron reactors have been proposed. For example, the book "Controllable Saturable Reactor Principles, Design and Application" written by Cai Xuansan and Gao Yuenong published by China Water Conservancy and Hydropower Publishing House in 2008 has an The reactor has been introduced in great detail, but the structure of the magnetron reactor is relatively complicated. In order to simplify ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F29/00H01F27/28H01F27/40H01F3/14H02P13/00
CPCH01F29/00H01F3/14H01F27/2828H01F27/40H01F2027/408H02P13/00
Inventor 于立涛贾旭徐超周生奇
Owner STATE GRID SHANDONG ELECTRIC POWER
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