CN103500633A

CN103500633A - Magnetically controlled reactor

Info

Publication number: CN103500633A
Application number: CN201310469043.XA
Authority: CN
Inventors: 刘金旭; 陈方亮
Original assignee: 712th Research Institute of CSIC
Current assignee: 712th Research Institute of CSIC
Priority date: 2013-10-10
Filing date: 2013-10-10
Publication date: 2014-01-08

Abstract

The invention discloses a magnetically controlled reactor. The magnetically controlled reactor comprises an iron core, windings and an external excitation power source, wherein the iron core is composed of an upper iron yoke, a lower iron yoke and four or six iron core columns, half or all of the iron core columns are simultaneously provided with the working windings and the excitation windings, the working windings are divided into an upper part and a lower part which are the same in winding number, the two parts are connected in parallel after being connected in an intersected mode and then are connected with an external power supply system, and the excitation windings on the iron core columns are connected in series with the polarity reversed and then are connected with the external excitation power source. The exciting current of the magnetic control reactor is directly provided by the external excitation power source, and therefore a small-voltage and large-current or large-voltage and small-capacity reactor is convenient to obtain.

Description

A kind of magnet controlled reactor

Technical field

The present invention relates to a kind of magnet controlled reactor, relate in particular to a kind of magnet controlled reactor with outside excitation property, be suitable for use as Regulatable reactor in parallel, series adjustable reactor etc.

Background technology

In the prior art, the excitation of magnet controlled reactor is all that the tap part winding on self winding carries out excitation, and this kind of scheme can be called the self-excitation scheme.

For low-voltage, large electric current or high voltage, low capacity magnet controlled reactor, get tap at self winding and carry out excitation, or have certain technical barrier, a technique difficult problem, or have the problems such as control appliance high cost, control technology complexity.

Summary of the invention

In order to improve the cost of excitation property, reduction control appliance, the present invention proposes a kind of Novel magnetic control reactor of outside excitation.

The technical solution adopted for the present invention to solve the technical problems is: a kind of magnet controlled reactor, comprise iron core, winding and outside field power supply, described iron core is comprised of upper yoke, lower yoke and four or six iron core column, on wherein half or whole iron core column, Working winding and excitation winding are installed simultaneously, Working winding is divided into two parts of upper and lower equal turn numbers, after described two parts interconnection, be connected in parallel, connect afterwards the externally fed system, excitation winding reversed polarity on iron core column is connected in series, and connects afterwards outside field power supply.

Described a kind of magnet controlled reactor, wherein be equipped with saturated section on each iron core column, ferromagnetic material and the insulating material of this saturated section part alternately laminate, and effective ferromagnetic material sectional area of saturated section is less than the iron core column sectional area.

Described a kind of magnet controlled reactor, its outside field power supply forms DC rectification power by silicon controlled crystal brake pipe and diode.

Described a kind of magnet controlled reactor, its reactor is phase structure, described iron core column has four, on two iron core column wherein, Working winding and excitation winding is installed simultaneously.

Described a kind of magnet controlled reactor, its reactor is three-phase structure, described iron core column has six, Working winding and excitation winding all are installed on each iron core column, excitation winding is part independently, and six iron core column are divided into three-phase, and the Working winding of three-phase adopts triangle to connect or Y-connection, connect afterwards the externally fed system, the excitation winding parallel connection of three-phase connects the outside field power supply of excitation winding separate connection of outside field power supply or every phase afterwards.

Described a kind of magnet controlled reactor, its reactor is phase structure, described iron core column has four, Working winding and excitation winding all are installed on each iron core column, and excitation winding is part independently, and four iron core column are divided into two-phase, winding on every two iron core column forms a phase, the Working winding of two-phase is connected in parallel, and connects afterwards the externally fed system, and the excitation winding parallel connection of two-phase connects the outside field power supply of excitation winding separate connection of outside field power supply or every phase afterwards.

The invention has the beneficial effects as follows: adopt independently excitation winding to connect outside field circuit, be applicable to low-voltage, large electric current magnet controlled reactor, perhaps small-sized magnet controlled reactor, outside field circuit independently, can regulate easily the output impedance of magnet controlled reactor, can take multiple DC excitation power, control mode is flexible, has dependable performance, compact conformation, technical advantage that cost is low.

The accompanying drawing explanation

The iron core that Fig. 1 is first embodiment of the invention and winding assembling schematic diagram;

The circuit theory diagrams that Fig. 2 is first embodiment of the invention;

The iron core that Fig. 3 is second embodiment of the invention and winding construction figure;

The circuit theory diagrams that Fig. 4 is second embodiment of the invention;

The iron core that Fig. 5 is third embodiment of the invention and winding construction figure;

The circuit theory diagrams that Fig. 6 is third embodiment of the invention.

Each token name is called: 1-iron core, 2, a11, a12, a21, a22, b11, b12, b21, b22, c11, c12, c21, c22-Working winding, 3-iron core column, 4-upper yoke, 5-lower yoke, 6-saturated section, 7, a13, a23, b13, b23, c13, c23-excitation winding, ZLQ-outside field power supply.

Embodiment

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Shown in Fig. 6, the invention discloses a kind of magnet controlled reactor, comprise iron core 1, winding and outside field power supply ZLQ, described iron core 1 is by upper yoke 4, lower yoke 5 and four or six iron core column 3 compositions, on wherein half or whole iron core column 3, Working winding 2 and excitation winding 7 are installed simultaneously, Working winding 2 is divided into two parts of upper and lower equal turn numbers, after described two parts interconnection, be connected in parallel, connect afterwards the externally fed system, excitation winding 7 reversed polarity on iron core column 3 are connected in series, connect afterwards outside field power supply ZLQ, be equipped with saturated section 6 on described each iron core column 3, ferromagnetic material and the insulating material of these saturated section 6 part alternately laminate, and effective ferromagnetic material sectional area of saturated section 6 is less than iron core column 3 sectional areas, described outside field power supply ZLQ forms DC rectification power by silicon controlled crystal brake pipe and diode, or the DC power supply of other type.

embodiment 1:as shown in Figure 1, as the first embodiment of the present invention, reactor is phase structure, described iron core 1 is by upper yoke 4, lower yoke 5 and four iron core column 3 form, iron core column 3 is fixedly connected with upper yoke 4 and lower yoke 5, on two iron core column 3 in the middle of being positioned at, Working winding 2 and excitation winding 7 are installed simultaneously, Working winding 2 is divided into two parts of upper and lower equal turn numbers, as shown in Figure 2, Working winding 2 interconnections on two iron core column 3 form a phase, connect afterwards the externally fed system, excitation winding 7 reversed polarity on two iron core column 3 are connected in series, connect afterwards outside field power supply ZLQ.

embodiment 2:as different from Example 1, the described reactor of Fig. 3 and Fig. 4 is three-phase reactor, as shown in Figure 3, described iron core 1 is by upper yoke 4, lower yoke 5 and six iron core column 3 form, iron core column 3 is fixedly connected with upper yoke 4 and lower yoke 5, Working winding 2 and excitation winding 7 all are installed on each iron core column 3, excitation winding 7 is part independently, six iron core column 3 are divided into three-phase, for example, a phase Working winding 2 comprises a11, a12, a21, a22, a phase excitation winding 7 comprises a13, a23, b phase Working winding 2 comprises b11, b12, b21, b22, b phase excitation winding 7 comprises b13, b23, c phase Working winding 2 comprises c11, c12, c21, c22, c phase excitation winding 7 comprises c13, c23, as shown in Figure 4, Working winding 2 on two iron core column 3 of every phase is connected by the described method of embodiment 1 with excitation winding 7, the Working winding 2 of three-phase adopts triangle to connect or Y-connection, connect afterwards the externally fed system, connect the outside field power supply ZLQ of excitation winding 7 separate connection of outside field power supply ZLQ or every phase after the excitation winding 7 of three-phase is in parallel.

embodiment 3:as different from Example 1, the single-phase magnet controlled reactor that the described reactor of Fig. 5 and Fig. 6 is another kind of version, as shown in Figure 5, described iron core 1 is by upper yoke 4, lower yoke 5 and four iron core column 3 form, iron core column 3 is fixedly connected with upper yoke 4 and lower yoke 5, four iron core column 3 are divided into two-phase, every is two iron core column 3 mutually, the winding of every phase is divided into Working winding 2 and excitation winding 7, excitation winding 7 is part independently, for example, a phase Working winding 2 comprises a11, a12, a21, a22, a phase excitation winding 7 comprises a13, a23, b phase Working winding 2 comprises b11, b12, b21, b22, b phase excitation winding 7 comprises b13, b23, as shown in Figure 6, Working winding 2 on two iron core column 3 of every phase is connected by the described method of embodiment 1 with excitation winding 7, the Working winding 2 of two-phase is connected in parallel, connect afterwards the externally fed system, connect the outside field power supply ZLQ of excitation winding 7 separate connection of outside field power supply ZLQ or every phase after the excitation winding 7 of two-phase is in parallel.

Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, and these all belong to protection scope of the present invention.

Claims

1. a magnet controlled reactor, comprise iron core (1), winding and outside field power supply, it is characterized in that: described iron core (1) is by upper yoke (4), lower yoke (5) and four or six iron core column (3) composition, on wherein half or whole iron core column (3), Working winding (2) and excitation winding (7) are installed simultaneously, Working winding (2) is divided into two parts of upper and lower equal turn numbers, after described two parts interconnection, be connected in parallel, connect afterwards the externally fed system, excitation winding (7) reversed polarity on iron core column (3) is connected in series, connect afterwards outside field power supply.

2. a kind of magnet controlled reactor according to claim 1, it is characterized in that, on described each iron core column (3), be equipped with saturated section (6), ferromagnetic material and the insulating material of these saturated section (6) part alternately laminate, and effective ferromagnetic material sectional area of saturated section (6) is less than iron core column (3) sectional area.

3. a kind of magnet controlled reactor according to claim 1 and 2, is characterized in that, described outside field power supply forms DC rectification power by silicon controlled crystal brake pipe and diode.

4. a kind of magnet controlled reactor according to claim 3, is characterized in that, described reactor is phase structure, and described iron core column (3) has four, and Working winding (2) and excitation winding (7) are installed on two iron core column (3) wherein simultaneously.

5. a kind of magnet controlled reactor according to claim 3, it is characterized in that, described reactor is three-phase structure, described iron core column (3) has six, Working winding (2) and excitation winding (7) all are installed on each iron core column (3), excitation winding (7) is part independently, six iron core column (3) are divided into three-phase, the Working winding of three-phase (2) adopts triangle to connect or Y-connection, connect afterwards the externally fed system, the outside field power supply of excitation winding (7) separate connection that connects outside field power supply or every phase after the excitation winding of three-phase (7) is in parallel.

6. a kind of magnet controlled reactor according to claim 3, it is characterized in that, described reactor is phase structure, described iron core column (3) has four, Working winding (2) and excitation winding (7) all are installed on each iron core column (3), excitation winding (7) is part independently, four iron core column (3) are divided into two-phase, winding on every two iron core column (3) forms a phase, the Working winding of two-phase (2) is connected in parallel, connect afterwards the externally fed system, the outside field power supply of excitation winding (7) separate connection that connects outside field power supply or every phase after the excitation winding of two-phase (7) is in parallel.