CN204857364U - Three -phase AC system differential mode and common mode magnetism integrated reactor - Google Patents
Three -phase AC system differential mode and common mode magnetism integrated reactor Download PDFInfo
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- CN204857364U CN204857364U CN201520434758.6U CN201520434758U CN204857364U CN 204857364 U CN204857364 U CN 204857364U CN 201520434758 U CN201520434758 U CN 201520434758U CN 204857364 U CN204857364 U CN 204857364U
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Abstract
The utility model relates to an electric system passive component technical field especially relates to a three -phase AC system differential mode and common mode magnetism integrated reactor. The reactor comprises three independent differential mode reactance unit, three independent differential mode reactance unit is independent differential mode reactance unit independent differential mode reactance unit and independent differential mode reactance unit down in, respectively, go up independent differential mode reactance unit independent differential mode reactance unit and independent differential mode reactance unit coaxial coupling down in, every independent differential mode reactance unit is the independent looks in the three -phase AC system respectively, has a public indisputable yoke between every mutually independent differential mode reactance unit and adjacent another mutually independent differential mode reactance unit at least. It lies in interchange differential mode and common mode reactor magnetism integratedly to effectively improve filtering, anti common mode interference and unbalanced three phase's situation, can also reduce reactor volume and weight simultaneously, reduce overall cost, make it have extensive application prospect.
Description
Technical field
The utility model relates to electrical system passive device technical field, relates to a kind of three-phase alternating current system differential mode and the integrated reactor of common mode magnetic in particular.
Background technology
The various advantages of power electronic technology, makes it in field extensive uses such as motor speed regulation systems, and power electronic technology negative effect also highlights day by day simultaneously.Inverter can produce certain common-mode voltage.Common-mode voltage can destroy motor winding insulation system, produces electromagnetic interference (EMI), produces shaft current quickening bearing damage, threaten transmission cable etc., generally uses common mode reactor to eliminate common mode disturbances in systems in which.
In addition, along with the development of modern industrial technology, in electric power system, various non-linear and time variation power electronic equipment such as inverter, rectifier and various Switching Power Supply is widely applied, and its negative effect is also day by day serious.The switch transition of power electronic equipment causes serious harmonic pollution to utility grid, make the voltage and current waveform Severe distortion of AC network, thus instead of the non-linear harmonic wave caused of the ferromagnetic materials such as traditional transformer, become the major harmonic source of harmonic wave.Need to use harmonic filter and carry out harmonic carcellation, three-phase differential mode reactor is the important component part of harmonic part.
In current three-phase alternating current system, differential mode reactor and common mode reactor mainly exist with separate form, there is the reactor of heterogeneous differential mode common mode integration, such as Chinese Patent Application No. is " heterogeneous differential mode and common mode coenosarc reactor " disclosed two kinds of forms of 201010565221.5: the differential mode common mode that the first plane core type structure can only realize single-phase-two-wire circuit is integrated, the poor common mode integration realizing phase three-wire three circuit needs to use the three-dimensional core construction of the band intermediolateral column of the second described by it, and need to realize common mode winding technique at center pillar simultaneously and complete differential mode winding technique with outside stem stem simultaneously.Its core construction complexity is not easily processed, and winding processing technology is complicated, volume is large, cost is high and efficiency is low.
This problem needs solution badly.
Utility model content
The utility model is in order to overcome the deficiencies in the prior art, its object aims to provide a kind of three-phase alternating current system differential mode and the integrated reactor of common mode magnetic, its be by interchange differential mode and common mode reactor magnetic integrated, effectively to improve the situation of filtering, anti-common mode disturbances and three-phase imbalance, reactor volume and weight can also be reduced simultaneously, reduce holistic cost, make it have application prospect widely.
In order to solve above-mentioned technical problem, the basic technical scheme that the utility model proposes is:
A kind of three-phase alternating current system differential mode and the integrated reactor of common mode magnetic, wherein, described reactor comprises three independent differential mode reactance unit, and described three independent differential mode reactance unit are respectively independent differential mode reactance unit, middle independent differential mode reactance unit and lower independent differential mode reactance unit; Described independent differential mode reactance unit, middle independent differential mode reactance unit are coaxially connected with lower independent differential mode reactance unit; Described each independent differential mode reactance unit is respectively the independent phase in three-phase alternating current system; Often has a public iron yoke at least between mutually independent differential mode reactance unit and another adjacent phase independence differential mode reactance unit.
Further, described independent differential mode reactance unit comprises the first winding, the first upper yoke, the first lower yoke, the first left iron core post and the first right iron core rod; Described first left iron core post and the first right iron core rod arranged in parallel, the first winding is distributed in the first left iron core post and the first right iron core rod respectively; First left iron core post and the first right iron core rod are clamped between the first upper yoke and the first lower yoke by described first upper yoke and the first lower yoke.
Further, described middle independent differential mode reactance unit comprises the second winding, the second upper yoke, the second lower yoke, the second left iron core post and the second right iron core rod; Described second left iron core post and the second right iron core rod arranged in parallel, the second winding is distributed in the second left iron core post and the second right iron core rod respectively; Second left iron core post and the second right iron core rod are clamped between the second upper yoke and the second lower yoke by described second upper yoke and the second lower yoke.
Further, described lower independent differential mode reactance unit comprises the tertiary winding, the 3rd upper yoke, the 3rd lower yoke, the 3rd left iron core post and the 3rd right iron core rod; Described 3rd left iron core post and the 3rd right iron core rod arranged in parallel, the tertiary winding is distributed in the 3rd left iron core post and the 3rd right iron core rod respectively; 3rd left iron core post and the 3rd right iron core rod are clamped between the 3rd upper yoke and the 3rd lower yoke by described 3rd upper yoke and the 3rd lower yoke.
Further, the form of described first winding or the second winding or the tertiary winding be wire-wound or paper tinsel around or vertical around.
Further, in each independent differential mode reactance unit, the winding of left iron core post and right iron core rod is serial or parallel connection.
Further, the first lower yoke is connected with the second upper yoke air-gap-free and forms the first public iron yoke.
Further, the second lower yoke is connected with the 3rd upper yoke air-gap-free and forms the second public iron yoke.
The beneficial effects of the utility model are: the utility model forms three-phase common mode magnetic circuit by utilizing the first upper yoke, the first right iron core rod, the second right iron core, the 3rd right iron core rod, the 3rd lower yoke, the 3rd left iron core post, the second left iron core post and the first left iron core post, share coil and the magnetic circuit of three independent differential mode reactance unit, make the function realizing common mode reactor on an integrated reactor of magnetic again, save a common mode reactor.This not only reduces holistic cost, reduces reactor volume and weight, but also adds anti-common mode disturbances function.Three-phase alternating current differential mode of the present utility model and the integrated reactor of common mode magnetic, compared with traditional three-phase independence differential mode reactor, save the use of two iron yokes, so make that the cost of device reduces, volume reduces and loss reduces.
Accompanying drawing explanation
Fig. 1 is the utility model specific embodiment reactor cutaway view.
Fig. 2 is the utility model specific embodiment reactor differential mode and common mode magnetic circuit schematic diagram.
Fig. 3 is the utility model specific embodiment reactor stereogram.
Embodiment
Be described further below with reference to accompanying drawing 1 to accompanying drawing 3 pairs of the utility model, but protection range of the present utility model should do not limited with this.For convenience of description and understand the technical solution of the utility model, below illustrate that the orientation that the noun of locality used all is shown with accompanying drawing is as the criterion.
As shown in Figure 1 to Figure 3, the utility model specific embodiment three-phase alternating current system differential mode and the integrated reactor of common mode magnetic are combined by three independent differential mode reactance unit and form, and described three independent differential mode reactance unit are respectively independent differential mode reactance unit 10, middle independent differential mode reactance unit 20 and lower independent differential mode reactance unit 30.Described each independent differential mode reactance unit is respectively the independent phase in three-phase alternating current system.Described independent differential mode reactance unit 10, middle independent differential mode reactance unit 20 are coaxially connected with lower independent differential mode reactance unit 30.Every at least shared public iron yoke between mutually independent differential mode reactance unit and another adjacent phase independence differential mode reactance unit.
Described independent differential mode reactance unit 10 comprises the first winding 101, first upper yoke 102, first lower yoke 103, first left iron core post 104 and the first right iron core rod 105.Described first left iron core post 104 and the first right iron core rod 105 arranged in parallel, the first winding 101 is distributed in the first left iron core post 104 and the first right iron core rod 105 respectively; First left iron core post 104 and the first right iron core rod 105 are clamped between the first upper yoke 102 and the first lower yoke 103 by described first upper yoke 102 and the first lower yoke 103.Wherein, the form of the first winding 101 can be wire-wound or paper tinsel around or vertical around, and the winding of the first left iron core post 104 and the first right iron core rod 105 can be serial or parallel connection.Adopt this kind of winding, it can enormously simplify winding manufacture craft, thus the reactor current ability scope of application is increased.
Described middle independent differential mode reactance unit 20 comprises the second winding 201, second upper yoke 202, second lower yoke 203, second left iron core post 204 and the second right iron core rod 205; Described second left iron core post 204 and the second right iron core rod 205 arranged in parallel, the second winding 201 is distributed in the second left iron core post 204 and the second right iron core rod 205 respectively; Second left iron core post 204 and the second right iron core rod 205 are clamped between the second upper yoke 202 and the second lower yoke 203 by described second upper yoke 202 and the second lower yoke 203.Wherein, the form of the second winding 201 can be wire-wound or paper tinsel around or vertical around, and the winding of the second left iron core post 204 and the second right iron core rod 205 can be serial or parallel connection.Adopt this kind of winding, it can enormously simplify winding manufacture craft, thus the reactor current ability scope of application is increased.
Described lower independent differential mode reactance unit 30 comprises the tertiary winding 301, the 3rd upper yoke 302, the 3rd lower yoke 303, the 3rd left iron core post 304 and the 3rd right iron core rod 305; Described 3rd left iron core post 304 and the 3rd right iron core rod 305 arranged in parallel, the tertiary winding 301 is distributed in the 3rd left iron core post 304 and the 3rd right iron core rod 305 respectively; 3rd left iron core post 304 and the 3rd right iron core rod 305 are clamped between the 3rd upper yoke 302 and the 3rd lower yoke 303 by described 3rd upper yoke 302 and the 3rd lower yoke 303.Wherein, the form of the tertiary winding 301 can be wire-wound or paper tinsel around or vertical around, and the winding of the 3rd left iron core post 304 and the 3rd right iron core rod 305 can be serial or parallel connection.Adopt this kind of winding, it can enormously simplify winding manufacture craft, thus the reactor current ability scope of application is increased.
Described first lower yoke 103 is connected with the second upper yoke 202 air-gap-free and forms the first public iron yoke 50, second lower yoke 203 and is connected with the 3rd upper yoke 302 air-gap-free and forms the second public iron yoke 51.
As shown in Figure 2, the described first public iron yoke 50 of upper yoke 102, first right iron core rod 105, first and the first left iron core post 104 form independent differential mode magnetic circuit 1000; Described first public iron yoke 50, the second public iron yoke 51 of right iron core 205, second and the second left iron core post 204 form independent differential mode magnetic circuit 1000; Described second public iron yoke 51, the 3rd right iron core rod 305, the 3rd lower yoke 303 and the 3rd left iron core post 304 form independent differential mode magnetic circuit 1000.
As shown in Figure 2, the described first right iron core 205 of upper yoke 102, first right iron core rod 105, second, the 3rd right iron core rod 305, the 3rd lower yoke 303, the 3rd left iron core post 304, second left iron core post 204 and the first left iron core post 104 form three-phase common mode magnetic circuit 1001.The utility model, by utilizing three-phase common mode magnetic circuit, shares coil and the magnetic circuit of three independent differential mode reactance unit, makes the function realizing common mode reactor on an integrated reactor of magnetic again, save a common mode reactor.This not only reduces holistic cost, reduces reactor volume and weight, but also adds anti-common mode disturbances function.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a three-phase alternating current system differential mode and the integrated reactor of common mode magnetic, it is characterized in that: described reactor comprises three independent differential mode reactance unit, described three independent differential mode reactance unit are respectively independent differential mode reactance unit, middle independent differential mode reactance unit and lower independent differential mode reactance unit; Described independent differential mode reactance unit, middle independent differential mode reactance unit are coaxially connected with lower independent differential mode reactance unit; Described each independent differential mode reactance unit is respectively the independent phase in three-phase alternating current system; Often has a public iron yoke at least between mutually independent differential mode reactance unit and another adjacent phase independence differential mode reactance unit.
2. a kind of three-phase alternating current system differential mode according to claim 1 and the integrated reactor of common mode magnetic, is characterized in that: described independent differential mode reactance unit comprises the first winding, the first upper yoke, the first lower yoke, the first left iron core post and the first right iron core rod; Described first left iron core post and the first right iron core rod arranged in parallel, the first winding is distributed in the first left iron core post and the first right iron core rod respectively; First left iron core post and the first right iron core rod are clamped between the first upper yoke and the first lower yoke by described first upper yoke and the first lower yoke.
3. a kind of three-phase alternating current system differential mode according to claim 1 and the integrated reactor of common mode magnetic, is characterized in that: described middle independent differential mode reactance unit comprises the second winding, the second upper yoke, the second lower yoke, the second left iron core post and the second right iron core rod; Described second left iron core post and the second right iron core rod arranged in parallel, the second winding is distributed in the second left iron core post and the second right iron core rod respectively; Second left iron core post and the second right iron core rod are clamped between the second upper yoke and the second lower yoke by described second upper yoke and the second lower yoke.
4. a kind of three-phase alternating current system differential mode according to claim 1 and the integrated reactor of common mode magnetic, is characterized in that: described lower independent differential mode reactance unit comprises the tertiary winding, the 3rd upper yoke, the 3rd lower yoke, the 3rd left iron core post and the 3rd right iron core rod; Described 3rd left iron core post and the 3rd right iron core rod arranged in parallel, the tertiary winding is distributed in the 3rd left iron core post and the 3rd right iron core rod respectively; 3rd left iron core post and the 3rd right iron core rod are clamped between the 3rd upper yoke and the 3rd lower yoke by described 3rd upper yoke and the 3rd lower yoke.
5. a kind of three-phase alternating current system differential mode according to claim 2 and the integrated reactor of common mode magnetic, is characterized in that: the form of described first winding be wire-wound or paper tinsel around or vertical around.
6. a kind of three-phase alternating current system differential mode according to claim 3 and the integrated reactor of common mode magnetic, is characterized in that: the form of described second winding be wire-wound or paper tinsel around or vertical around.
7. a kind of three-phase alternating current system differential mode according to claim 4 and the integrated reactor of common mode magnetic, is characterized in that: the form of the described tertiary winding be wire-wound or paper tinsel around or vertical around.
8., according to the arbitrary described a kind of three-phase alternating current system differential mode of claim 2 to 4 and the integrated reactor of common mode magnetic, it is characterized in that: in each independent differential mode reactance unit, the winding of left iron core post and right iron core rod is serial or parallel connection.
9., according to the arbitrary described a kind of three-phase alternating current system differential mode of Claims 1-4 and the integrated reactor of common mode magnetic, it is characterized in that: the first lower yoke is connected with the second upper yoke air-gap-free and forms the first public iron yoke.
10., according to the arbitrary described a kind of three-phase alternating current system differential mode of Claims 1-4 and the integrated reactor of common mode magnetic, it is characterized in that: the second lower yoke is connected with the 3rd upper yoke air-gap-free and forms the second public iron yoke.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434758.6U CN204857364U (en) | 2015-06-23 | 2015-06-23 | Three -phase AC system differential mode and common mode magnetism integrated reactor |
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| CN201520434758.6U CN204857364U (en) | 2015-06-23 | 2015-06-23 | Three -phase AC system differential mode and common mode magnetism integrated reactor |
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| CN204857364U true CN204857364U (en) | 2015-12-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504855A (en) * | 2016-12-30 | 2017-03-15 | 上海意兰可电力电子设备有限公司 | The built-in common mode reactor of three-phase reactor |
| CN106783107A (en) * | 2016-11-16 | 2017-05-31 | 西安交通大学 | A kind of hybrid distribution transformer decoupling magnetic integration apparatus |
| CN109102988A (en) * | 2018-08-04 | 2018-12-28 | 广东光达电气股份有限公司 | Common mode differential mode integrated reactor |
-
2015
- 2015-06-23 CN CN201520434758.6U patent/CN204857364U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783107A (en) * | 2016-11-16 | 2017-05-31 | 西安交通大学 | A kind of hybrid distribution transformer decoupling magnetic integration apparatus |
| CN106783107B (en) * | 2016-11-16 | 2018-06-26 | 西安交通大学 | A kind of hybrid distribution transformer decoupling magnetic integration apparatus |
| CN106504855A (en) * | 2016-12-30 | 2017-03-15 | 上海意兰可电力电子设备有限公司 | The built-in common mode reactor of three-phase reactor |
| CN109102988A (en) * | 2018-08-04 | 2018-12-28 | 广东光达电气股份有限公司 | Common mode differential mode integrated reactor |
| CN109102988B (en) * | 2018-08-04 | 2020-08-25 | 广东光达电气股份有限公司 | Common-mode and differential-mode integrated reactor |
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Addressee: Patent director of Shenzhen baoyinglong Motor Manufacturing Co., Ltd Document name: payment instructions |
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Granted publication date: 20151209 Termination date: 20200623 |