CN2754193Y

CN2754193Y - Magnetic open-circuit power filter reactor

Info

Publication number: CN2754193Y
Application number: CN 200320131146
Authority: CN
Inventors: 冯樟满; 傅光祖
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-02
Filing date: 2003-12-02
Publication date: 2006-01-25
Anticipated expiration: 2013-12-02

Abstract

The utility model provides a magnetic open circuit electric power filtering reactor in an electric power filtering device, which is a filtering reactor mainly composed of an iron core pole of a magnetic open circuit, an external coil and a frame, wherein the iron core pole of the magnetic open circuit is an unclosed iron core, one part of a magnetic flux loop of the coil is an iron core, and the other part of the magnetic flux loop of the coil is air; the iron core pole of the magnetic open circuit is formed by pressing and varnishing silicon steel sheets by usual methods, and the cross section of the iron core pole of the magnetic open circuit can form an oblong, or a square, or a ladder circle or a circle. The utility model has a larger inductance value and a smaller volume than the existing hollow electric power filtering reactors and uses less copper material; the inductive reactance of the magnetic open circuit electric power filtering reactor has a better linear characteristic than the existing iron core electric power filtering reactors, and the noise is small; the magnetic open circuit power filtering reactor is used as a filtering reactor in an electric power device and a series reactor in a parallel capacitor set. The picture 1 is one kind of the magnetic open circuit electric power filtering reactors of the utility model, which is composed of an iron core pole 1, a coil 2, a coil insulating frame 3, a pressing piece and a basal frame 4, wherein the iron core pole is surrounded by the coil, the iron core pole 1 and the coil 2 are fixed by the coil insulating frame and the pressing piece, and the filtering reactor can be firmly assembled by the basal frame.

Description

Magnetic open circuit electric filtering reactor

(1) technical field: the utility model technical field of electricity particularly relates to the filter reactor in a kind of power filter device.

(2) background technology: the filter reactor in the existing power filter device mainly contains two kinds of air-core reactor, iron core reactors: the hollow filter reactor is made of coil, coil holder, and its flux circuit is an air; In conjunction with constituting, its flux circuit mainly is an iron core to iron core reactor by coil, the closed magnetic circuit iron core that air gap is arranged and coil holder.Hollow filter reactor volume is big, the copper material consumption is big; And the inductance linear characteristic of iron core filter reactor is relatively poor, and have harmonic wave by the time can send bigger voice.

(3) summary of the invention: the purpose of this utility model is to provide the filter reactor in a kind of power filter device, and it can overcome, and existing hollow filter reactor volume is big, the copper material consumption is many, energy consumption is big; The deficiency that iron core filter reactor inductance linear characteristic is relatively poor, have voice.

The technical scheme in the invention for solving the technical problem is: the electric filtering reactor adopts the iron core column that comprises the magnetic open circuit, outer coiling and framework to constitute, described outer coiling is arranged on the framework, framework is fixed coil and iron core column, the iron core column that it is characterized in that described magnetic open circuit is inc iron core, a flux circuit part is an iron core, and another part is an air.The iron core column of magnetic open circuit is to be formed with usual way compacting dipping lacquer by the silicon steel slip, and its cross sectional shape can have rectangle, square, ladder circle, circular.

The beneficial effects of the utility model are, than hollow electric filtering reactor bigger inductance value and smaller volume are arranged, and used copper material are few, and energy consumption is little; Induction reactance than existing iron core electric filtering reactor has the better linearity characteristic, and voice is little.

(4) description of drawings:

Fig. 1 is a kind of of the utility model magnetic open circuit electric filtering reactor, mainly by 1. iron core column, 2. coil, 3. the coil insulation frame, 4. pedestal and compressing member etc. are formed.

(5) embodiment:

With reference to Fig. 1: the utility model comprises iron core column 1, coil 2, and described coil surrounds iron core column, and coil insulation frame 3 and compressing member make iron core column 1 fixing with coil 2, and pedestal 4 can firmly be installed filter reactor.

Iron core column described in the utility model is inc iron core, and a flux circuit part is an iron core, and another part is an air.Iron core column is to be formed with usual way compacting dipping lacquer by the silicon steel slip, have than hollow electric filtering reactor bigger inductance value and smaller volume are arranged, and used copper material is few, and energy consumption is little; Induction reactance than existing iron core electric filtering reactor has the better linearity characteristic, and voice is little.Not only can be used as filter reactor in the power filter device, also can be used as series reactor in the Shunt Capacitor Unit.

Claims

1, the electric filtering reactor comprises that the iron core column of magnetic open circuit, outer coiling and framework constitute, described outer coiling is arranged on the framework, framework is fixed coil and iron core column, the iron core column that it is characterized in that described magnetic open circuit is inc iron core, a flux circuit part is an iron core, and another part is an air.