CN213815720U

CN213815720U - Iron core reactor device with controllable parallel connection

Info

Publication number: CN213815720U
Application number: CN202023350403.9U
Authority: CN
Inventors: 崔少飞; 左辉勇; 邓雄南
Original assignee: Zhuhai Lanruimeng Electric Co ltd
Current assignee: Zhuhai Lanruimeng Electric Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-27
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a controllable iron core reactor device connects in parallel, its simple structure easily realizes, and the setting of U-shaped connecting portion separates section winding and hypomere winding when being convenient for on the one hand to wind, and accessible machinery grips and winds again after the U-shaped connecting portion when on the other hand is convenient for make, and the setting of closed connecting portion unshakable in one's determination is convenient for close two straight section unshakable in one's determination's both ends after accomplishing the wire winding, forms closed loop iron core.

Description

Iron core reactor device with controllable parallel connection

Technical Field

The utility model relates to a controllable iron core reactor device connects in parallel.

Background

The reactive power balance is important for improving the economic benefit of a power grid and improving the power supply quality, and the formation and load change of an ultrahigh voltage large power grid are aggravated, so that a large number of quick-response adjustable reactive power supplies are required to adjust the voltage, the reactive power flow balance of the system is maintained, the loss is reduced, and the power supply reliability is improved.

The utility model provides a parallelly connected controllable iron core reactor device, the saturation that comes control iron core through the flip angle that changes thyristor in the controllable reactor is in order to change its equivalent inductance, realizes quick, the continuous adjustment of reactor capacity, has the low price, and control is simple, and the advantage of reliable operation has wide application and market prospect.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes above-mentioned technique is not enough, provides a controllable iron core reactor device connects in parallel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a parallel controllable iron core reactor device comprises two parallel straight iron cores 1 and a U-shaped connecting part 2 connected between the middle sections of the two straight iron cores 1, wherein each straight iron core 1 is wound with an upper section winding 31 and a lower section winding 32 which are separated by the U-shaped connecting part 2, the middle parts of the 4 windings of the two straight iron cores 1 are in cross connection, and a freewheeling diode D1 is connected in parallel between cross lines, a direct-current magnetism-assisting IGBT tube is connected between the upper section winding 31 and the lower section winding 32 of the same straight iron core 1, the upper ends of the two upper section windings 31 are connected as an external connecting end of the device, the lower ends of the two lower section windings 32 are connected as another external connecting end of the device, and the upper ends of the two straight iron cores 1 are connected, and iron core closed connecting parts 4 are respectively clamped between the lower end parts, and the iron core closed connecting parts 4 are made of iron materials.

Preferably, the U-shaped connecting portion 2 is made of a non-magnetic material.

Compared with the prior art, the beneficial effects of the utility model are that:

the present case simple structure easily realizes, the setting of U-shaped connecting portion separates section winding and hypomere winding when being convenient for to wind on the one hand, and accessible machinery grips the winding behind the U-shaped connecting portion again when on the other hand is convenient for make, the setting of the closed connecting portion unshakable in one's determination is convenient for close two ends unshakable in one's determination of two straight sections after accomplishing the winding, forms closed loop iron core.

Drawings

FIG. 1 is a schematic diagram of the present embodiment.

Fig. 2 is a second structural diagram of the present case.

Fig. 3 is one of the views of the present case straight core with windings wound thereon and the ends not yet connected to the core closing connection.

Fig. 4 is a second view of the present case in which the core is wound with windings and the ends are not yet connected to the core closing connection.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of examples to facilitate understanding by those skilled in the art:

as shown in fig. 1 to 4, a parallel controllable iron core reactor device comprises two parallel straight iron cores 1 and a U-shaped connection part 2 connected between the middle sections of the two straight iron cores 1, each straight iron core 1 is wound with an upper winding 31 and a lower winding 32 separated by the U-shaped connection part 2, the middle parts of the 4 windings of the two straight iron cores 1 are cross-connected and the cross lines are connected in parallel with a freewheeling diode D1, a dc flux IGBT is connected between the upper winding 31 and the lower winding 32 of the same straight iron core 1, the upper ends of the two upper windings 31 are connected as an external connection end of the device, the lower ends of the two lower windings 32 are connected as another external connection end of the device, and between the upper ends of the two straight iron cores 1, and iron core closed connecting parts 4 are respectively clamped between the lower end parts, and the iron core closed connecting parts 4 are made of iron materials.

According to the scheme, direct current magnetism assistance in the same direction is generated in the middle of the four windings through the self-coupling transformer and the controllable rectification, and the follow current diode 3 stretches across the cross lines of the windings to complete the follow current task when the IGBT is turned off.

As described above, the structure of the present application is simple and easy to implement, the U-shaped connection portion 2 is provided to separate the segment winding 31 from the lower segment winding 32 during winding, and to mechanically clamp the U-shaped connection portion 2 during manufacturing and then perform winding, and the iron core closing connection portion 4 is provided to close the two ends of the two straight iron cores 1 after winding is completed, so as to form a closed-loop iron core.

As described above, in practical implementation, the U-shaped connecting portion 2 is made of a non-magnetic material.

As described above, the present application protects a parallel controllable iron core reactor device, and all technical solutions identical or similar to the present application should be considered to fall within the scope of the present application.

Claims

1. The parallel controllable iron core reactor device is characterized by comprising two parallel straight section iron cores (1) and a U-shaped connecting part (2) connected between the middle sections of the two straight section iron cores (1), wherein each straight section iron core (1) is wound with an upper section winding (31) and a lower section winding (32) which are separated by the U-shaped connecting part (2), the middle parts of the 4 windings of the two straight section iron cores (1) are in cross connection, a freewheeling diode D1 is connected in parallel between cross lines, a direct current magnetism-assisting IGBT (insulated gate bipolar translator) tube is connected between the upper section winding (31) and the lower section winding (32) of the same straight section iron core (1), the upper ends of the two upper section windings (31) are connected to serve as an external connecting end of the device, the lower ends of the two lower section windings (32) are connected to serve as another external connecting end of the device, and the upper ends of the two straight section iron cores (1) are connected with each other, And iron core closed connecting parts (4) are respectively clamped between the lower end parts, and the iron core closed connecting parts (4) are made of iron materials.

2. A parallel controllable core reactor device according to claim 1, characterized in that said U-shaped connection parts (2) are made of a non-magnetically conductive material.