CN213366363U - Lightweight phase-shifting combined inductor - Google Patents
Lightweight phase-shifting combined inductor Download PDFInfo
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- CN213366363U CN213366363U CN202022726442.8U CN202022726442U CN213366363U CN 213366363 U CN213366363 U CN 213366363U CN 202022726442 U CN202022726442 U CN 202022726442U CN 213366363 U CN213366363 U CN 213366363U
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Abstract
A lightweight phase-shifting combined inductor comprises an input reactor, a phase-shifting reactor and a second iron yoke, wherein the input reactor is arranged at the lower part of the second iron yoke, the phase-shifting reactor is arranged at the upper part of the second iron yoke, and a second clamping piece clamps and fixes the input reactor, the second iron yoke and the phase-shifting reactor through fasteners, so that the input reactor and the phase-shifting reactor are stacked through a shared iron yoke; the phase-shifting reactor is connected with the input reactor in a series connection mode. By optimizing the structures of the input reactor and the phase-shifting reactor, the size of the product is finally reduced, the production time is saved, and the product cost is synchronously reduced.
Description
Technical Field
The utility model relates to a power electronic equipment field, in particular to lightweight phase-shifting combined inductor.
Background
With the rapid development of power electronics and ac speed regulation technology, more and more semiconductor current transformers are added to power supply systems in recent years. Most of the voltage and current generated by the semiconductor converter are non-sinusoidal waveforms, which contain a large amount of harmonic waves causing serious pollution to the power grid, and affect the transmission efficiency of the power grid. At present, a 12-pulse rectification high-power converter is one of the main devices used for solving the problem, but the volume of the device is approximately 20% or more of the volume of the whole converter device, the volume is large, and the cost is high.
There is an urgent need to develop a new product which can reduce the volume of the equipment and reduce the cost.
SUMMERY OF THE UTILITY MODEL
In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:
a lightweight phase-shifting combined inductor comprises an input reactor, a phase-shifting reactor and a second iron yoke, wherein the input reactor is arranged at the lower part of the second iron yoke, the phase-shifting reactor is arranged at the upper part of the second iron yoke, and a second clamping piece clamps and fixes the input reactor, the second iron yoke and the phase-shifting reactor through fasteners, so that the input reactor and the phase-shifting reactor are stacked through a shared iron yoke; the phase-shifting reactor is connected with the input reactor in a series connection mode.
In a preferred embodiment of the present invention, the phase-shifting reactor may be in the form of a three-phase five-column.
In a preferred embodiment of the invention, the input reactor may be in the form of a three-phase three-column.
The beneficial effects of the utility model reside in that:
the utility model provides a lightweight moves combination inductor mutually, through optimizing the structure of input reactor and moving the reactor mutually. Finally, the size of the product is reduced, the production working hours are saved, and the product cost is synchronously reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a diagram of the structure of the iron core of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is an electrical schematic diagram of the present invention.
Detailed Description
The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a lightweight phase-shifting combined inductor is mainly formed by combining an input reactor and a phase-shifting reactor through a shared yoke. The three main core columns 8 of the phase-shifting reactor are respectively arranged on the upper surface of the second iron yoke 6b in an equidistant and vertical mode, wherein 1 main core column 9 of the phase-shifting reactor is further arranged between each main core column 8 of the phase-shifting reactor, the heights of the main core columns 9 of the phase-shifting reactor and the main core columns 8 of the phase-shifting reactor are equal, and a first iron yoke 6a is further arranged above the main core columns 9 of the phase-shifting reactor and the main core columns 8 of the phase-shifting reactor, so that the upper end and the lower end of each main core column 9 of the phase-shifting reactor and the upper end. Three input reactor core columns 7 are further arranged on the lower surface of the second iron yoke 6b, the positions of the input reactor core columns 7 correspond to the positions of the phase-shifting reactor main core columns 8 respectively, and a third iron yoke 6c is arranged below the input reactor core columns 7, so that the upper end and the lower end of each input reactor core column 7 are surrounded and sealed by the second iron yoke 6b and the third iron yoke 6 c.
Referring to fig. 2 and 3, an input reactor core column 7, a phase-shift reactor main core column 8 and a phase-shift reactor side core column 9 are sectional magnetic cores, and can be sleeved with insulating materials with different thicknesses according to design requirements, and then coil windings are sleeved outside the insulating materials. Three input reactor stem stems 7 are respectively provided with 1 first winding 2, three phases of the three input reactor stem stems respectively form 3 first windings 2, three phase shift reactor main stem stems 8 are respectively provided with 3 second windings 4, the three phases of the three phase shift reactor main stem stems form 9 second windings 4, and no winding is arranged on the other stem 9 of the two phase shift reactors. With this configuration, the input reactor is a three-phase three-column reactor, and the phase-shift reactor is a three-phase five-column reactor. The first clamping piece 1a, the second clamping piece 1b and the third clamping piece 1c are correspondingly arranged on two sides of the first iron yoke 6a, the second iron yoke 6b and the third iron yoke 6c respectively.
The first clamping piece 1a is L-shaped, 2 screw holes 1aa are formed in the upper portion of the first clamping piece, a screw rod 12 penetrates through the screw holes 1aa to be clamped and fixed with the first clamping piece 1a on the other side, 2 holes are further formed in the lower portion of the first clamping piece for fixing the combined inductor assembly on other objects, and the first clamping pieces 1a on the two sides are of an outer splayed structure after being installed. The second clamping piece 1b is only provided with 2 screw holes 1bb, and the screw 12 passes through the screw holes 1bb in the same way to be fastened and fixed with the second clamping piece 1b on the other side. The third clamping piece 1c is in an inverted L shape, 2 screw holes 1cc are formed in the lower portion of the third clamping piece, a screw 12 penetrates through 1cc to be fastened and fixed with the third clamping piece 1c on the other side, and 2 empty holes are formed in the upper portion of the third clamping piece and used for fixing the combined inductor assembly on other objects. The first clamping piece 1a, the second clamping piece 1b and the third clamping piece 1c are respectively connected with a first iron yoke 6a, a second iron yoke 6b and a third iron yoke 6c through a screw 12; a first winding 2 and a second winding 4; the stems 7, 8, 9 are combined and fixed.
Referring to fig. 4 in combination, the input reactor has a total of 3 electrical inputs 10a, 10b, 10c, the phase shifting reactor has a total of 6 electrical outputs 3aa, 3ab, 3ba, 3bb, 3ca, 3cb, input 10a logically corresponds to outputs 3ba, 3bb, input 10b logically corresponds to outputs 3ca, 3cb, and input 10c logically corresponds to outputs 3aa, 3 ab.
With the design, the output winding of the phase-shifting reactor only needs to shift the voltage by about 11 degrees, and the effect of the phase-shifting transformer can be achieved.
Claims (3)
1. A light-weight phase-shifting combined inductor is characterized by comprising an input reactor, a phase-shifting reactor and a second iron yoke, wherein the input reactor is arranged at the lower part of the second iron yoke, the phase-shifting reactor is arranged at the upper part of the second iron yoke, and a second clamping piece clamps and fixes the input reactor, the second iron yoke and the phase-shifting reactor through a fastening piece, so that the input reactor and the phase-shifting reactor are stacked through a shared iron yoke; the phase-shifting reactor is connected with the input reactor in a series connection mode.
2. The lightweight phase-shifting combined inductor recited in claim 1, wherein said phase-shifting reactor is in the form of a three-phase five-limb.
3. The lightweight phase shifting composite inductor of claim 1, wherein the input reactor is in the form of a three-phase three-leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022726442.8U CN213366363U (en) | 2020-11-23 | 2020-11-23 | Lightweight phase-shifting combined inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022726442.8U CN213366363U (en) | 2020-11-23 | 2020-11-23 | Lightweight phase-shifting combined inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213366363U true CN213366363U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022726442.8U Active CN213366363U (en) | 2020-11-23 | 2020-11-23 | Lightweight phase-shifting combined inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213366363U (en) |
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2020
- 2020-11-23 CN CN202022726442.8U patent/CN213366363U/en active Active
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