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Controllable parallel reactor

A technology of reactor and parallel connection, which is applied in the field of transformer manufacturing, can solve the problem of high cost and achieve the effect of reducing cost

Inactive Publication Date: 2013-04-17
BAODING TIANWEI BAOBIAN ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The problem in the background technology is that an auxiliary reactor is needed to realize it, and the cost is relatively high

Method used

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  • Controllable parallel reactor

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Embodiment Construction

[0011] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.

[0012] A controllable shunt reactor consists of two parts, one part is the controllable reactor body, that is, the high-impedance transformer, and the other part is the control part; the arrangement sequence of the windings of the high-impedance transformer body from the core column from the inside to the outside is Low-voltage winding 2, high-voltage winding 1; the control part is composed of auxiliary reactor 3 connected with the thyristor group 4, the low-voltage winding LV of the high-impedance transformer is connected in parallel with the control part, that is, the control part is equivalent to the load on the secondary side of the high-impedance transformer , by adjusting the load size of the control part to change the operating capacity of the high-impedance transformer, thereby achieving the adjustment of the reactance value; using the ex...

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Abstract

The invention relates to a controllable parallel reactor, which belongs to the technical field of manufacturing of a transformer. The technical scheme is that the controllable parallel reactor consists of two parts, of which one part is a controllable reactor body, i.e., a high-impedance transformer, and the other part is a control part, wherein windings of the body of the high-impedance transformer from inside to outside from an iron core column are a low-voltage winding (2) and a high-voltage winding (1) in sequence; the control part consists of auxiliary reactors (3) and thyristor groups 4; the low-voltage winding LV of the high-impedance transformer is connected with the control part in parallel, i.e., the control part is equivalent to a load on a secondary side of the high-impedance transformer; and the load size is adjusted through the control part to change the operation capacity of the high-impedance transformer so as to realize adjustment of a reactance value. The controllable parallel reactor has the positive effects that adjustability of the reactance value is realized by using high impedance and excitation reactance of the transformer and the control part consisting of the thyristor groups, so that the cost of the control part is effectively reduced, and one auxiliary reactor can be saved.

Description

technical field [0001] The invention relates to a controllable parallel reactor and belongs to the technical field of transformer manufacturing. Background technique [0002] At present, shunt reactors are mainly used for reactive power compensation in AC high-voltage transmission lines to weaken the effect of capacitive current. The problem existing in the background technology is that an auxiliary reactor is needed to realize it, and the cost is relatively high. Contents of the invention [0003] The purpose of the present invention is to provide a controllable shunt reactor, which can effectively reduce the cost of the control part, save an auxiliary reactor, and solve the above-mentioned problems in the background technology. [0004] Technical scheme of the present invention is: [0005] A controllable shunt reactor consists of two parts, one part is the controllable reactor body, that is, the high-impedance transformer, and the other part is the control part; the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18H02P13/00H01F27/30
CPCY02E40/30
Inventor 刘力强张雄李洪秀杜振斌张栋张海蛟
Owner BAODING TIANWEI BAOBIAN ELECTRICAL