JPH07298685A - Driving system of multiplex winding motor - Google Patents
Driving system of multiplex winding motorInfo
- Publication number
- JPH07298685A JPH07298685A JP6089018A JP8901894A JPH07298685A JP H07298685 A JPH07298685 A JP H07298685A JP 6089018 A JP6089018 A JP 6089018A JP 8901894 A JP8901894 A JP 8901894A JP H07298685 A JPH07298685 A JP H07298685A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- winding
- induction motor
- motor
- windings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Induction Machinery (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、多重巻線交流電動機を
複数台のＰＷＭインバータで駆動する多重巻線電動機の
駆動システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-winding motor drive system for driving a multi-winding AC motor by a plurality of PWM inverters.
【０００２】[0002]
【従来の技術】従来多重巻線誘導電動機の駆動システム
は図５に示すように、コンバータ部１を直流電源として
ＰＷＭ交流電圧ＶA，ＶBを出力する複数のＰＷＭインバ
ータ２A，２Bと、この複数のインバータ２A及び２Bから
給電される複数の巻線ＷA，ＷＢを有する多重巻線誘導
電動機４で構成されている。この二重巻線誘導電動機４
は図６に示すように３相巻線ＷＡ（ｕ1，ｘ1，ｖ1，
ｙ1，ｗ1，ｚ1）及びＷB（ｕ2，ｘ2，ｖ2，ｙ2，ｗ2，
ｚ2）が同相巻きとなっている。また巻線ＷA及びＷBに
給電するインバータ２A及び２Bの出力電圧ＶAとＶBは同
相で同一になっている。2. Description of the Related Art As shown in FIG. 5, a conventional multi-winding induction motor drive system includes a plurality of PWM inverters 2 A and 2 B which output PWM AC voltages V A and V B using a converter unit 1 as a DC power source. , A multi-winding induction motor 4 having a plurality of windings W A and W B fed from the plurality of inverters 2 A and 2 B. This double winding induction motor 4
As shown in FIG. 6, the three-phase winding W A (u 1 , x 1 , v 1 ,
y 1 , w 1 , z 1 ) and W B (u 2 , x 2 , v 2 , y 2 , w 2 ,
z 2 ) is in-phase winding. The output voltage V A and V B of the inverter 2 A and 2 B for feeding the winding W A and W B is in the same in phase.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の多重巻線誘
導電動機は巻線構成が同相巻となっているので、固定子
のスロットに同一ターン数の複数のコイルを巻き入れる
必要がある。これは通常の３相誘導電動機の巻線作業に
比べ工程が複雑になり、作業工数が増し、コストが高く
なる欠点があった。Since the winding structure of the conventional multi-winding induction motor is the same phase winding, it is necessary to wind a plurality of coils having the same number of turns in the slots of the stator. This has the drawbacks that the process is more complicated than the ordinary winding work of a three-phase induction motor, the number of work steps is increased, and the cost is increased.
【０００４】本発明は、従来のこのような問題点に鑑み
てなされたものであり、その目的とするところは、３相
誘導電動機の巻線作業が簡単にでき作業効率が上がりコ
ストを低くすることができる多重巻線電動機の駆動シス
テムを提供することにある。The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to simplify winding work of a three-phase induction motor to improve work efficiency and reduce cost. It is an object of the present invention to provide a drive system of a multi-winding electric motor that can be used.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明における多重巻線電動機の駆動システムは、
多重巻線誘導電動機を複数台の３相ＰＷＭインバータで
駆動するシステムにおいて、誘導電動機を、３相誘導電
動機における１相分の対抗する極を形成する巻線を分離
した６相誘導電動機に構成し、６相誘導電動機において
存在する二種類の巻線を複数台のインバータに接続し、
各巻線に同相又は逆相の対称電圧波形を給電することを
特徴とする。In order to achieve the above object, a drive system for a multiplex winding motor according to the present invention comprises:
In a system in which a multi-winding induction motor is driven by a plurality of 3-phase PWM inverters, the induction motor is configured as a 6-phase induction motor in which windings forming opposing poles for one phase in the 3-phase induction motor are separated. , Two kinds of windings existing in a 6-phase induction motor are connected to a plurality of inverters,
It is characterized in that each winding is fed with an in-phase or anti-phase symmetrical voltage waveform.
【０００６】[0006]
【作用】複数台のインバータの出力は誘導電動機の二種
類の巻線に供給されて多重化されるので、大容量の駆動
システムが得られる。この誘導電動機の巻線は通常の３
相誘導電動機の１相分の対応する極を形成するコイルを
分離した６相巻線から二種類の３相巻線を構成している
ため、同一スロット内に多重数のコイルを挿入する必要
がないので、通常の３相誘導電動機同様の巻線作業がで
きる。The outputs of a plurality of inverters are supplied to the two types of windings of the induction motor and multiplexed, so that a large capacity drive system can be obtained. The winding of this induction motor is usually 3
Since two types of three-phase windings are composed of six-phase windings in which the coils forming the poles corresponding to one phase of the phase induction motor are separated, it is necessary to insert multiple coils in the same slot. Since it does not exist, the winding work can be performed in the same manner as a normal three-phase induction motor.
【０００７】[0007]
【実施例】本発明の実施例について図面を参照して説明
する。Embodiments of the present invention will be described with reference to the drawings.
【０００８】実施例１ 図１は６相誘導電動機を３相誘導電動機４として２台の
３相ＰＷＭインバータ２A，２Bで駆動するシステムを示
す。３相誘導電動機４の各相は逆起磁力を発生する対極
（Ｎ極とＳ極）で構成される。この実施例では６相のコ
イルｕ1，ｙ1，ｗ1，ｘ1，ｖ1，ｚ1の対抗する巻線を分
離し、コイルｕ1−ｖ1−ｗ1で３相巻線ＷAを、コイルｗ
1−ｙ1−ｚ1で３相巻線ＷBを構成し、巻線ＷA及びＷBを
３相インバータ２A及び２Bに接続し、インバータ２A，
２Bより給電する線間電圧（ＶUV1，ＶUV2等）を各々１
８０°位相の異なる対称波形の電圧として与える。Embodiment 1 FIG. 1 shows a system in which a 6-phase induction motor is used as a 3-phase induction motor 4 and is driven by two 3-phase PWM inverters 2 A and 2 B. Each phase of the three-phase induction motor 4 is composed of counter electrodes (N pole and S pole) that generate a counter magnetomotive force. In this embodiment, the opposing windings of the six-phase coils u 1 , y 1 , w 1 , x 1 , v 1 , z 1 are separated, and the three-phase winding W A is separated by the coil u 1 -v 1 -w 1. The coil w
1 -y 1 constitute in -z 1 3-phase winding W B, to connect the windings W A and W B to a three-phase inverter 2 A and 2 B, the inverter 2 A,
The line voltage (V UV1 , V UV2, etc.) supplied from 2 B is 1 each
The voltages are given as symmetrical waveforms with different phases of 80 °.
【０００９】または図２で示すように、巻線ＷAとＷBの
巻き方向を互いに逆（発生起磁力を逆）にし、インバー
タ２A，２Bからの線電圧の位相を同相にして給電する。Alternatively, as shown in FIG. 2, the windings W A and W B are made to have opposite winding directions (generated magnetomotive forces are opposite to each other), and the phase of the line voltage from the inverters 2 A and 2 B is made the same phase. To do.
【００１０】この実施例によれば、誘導電動機をスロッ
ト内に複数の巻線を巻き入れずに構成することができ
る。According to this embodiment, the induction motor can be constructed without winding a plurality of windings in the slots.
【００１１】実施例２ 図３は６相誘導電動機において存在する二種類の３相巻
線に更に巻線を施した４巻線３相誘導電動機を４台の３
相ＰＷＭインバータで駆動するシステムを示す。この場
合、誘導電動機４はコイルｕ1−ｖ1−ｗ1、ｘ1−ｙ1−
ｚ1、ｕ2−ｖ2−ｗ2、ｘ2−ｙ2−ｚ2でそれぞれ３相巻
線ｗA，ｗB，ｗC，ｗDが構成され、それぞれインバータ
２A，２B，２C，２Dに接続される。Embodiment 2 FIG. 3 shows a four-winding three-phase induction motor in which three windings of two kinds existing in a six-phase induction motor are further wound.
1 shows a system driven by a phase PWM inverter. In this case, the induction motor 4 has coils u 1 -v 1 -w 1 , x 1 -y 1-.
Three-phase windings w A , w B , w C , and w D are configured by z 1 , u 2 −v 2 −w 2 , and x 2 −y 2 −z 2 , respectively, and inverters 2 A , 2 B , and 2 respectively. It is connected to C and 2D .
【００１２】インバータ２Aと２B及び２Cと２Dはそれぞ
れ同相で２A，２Bと２C，２Dは互いに位相を１８０°異
にする線間電圧を誘導電動機４に給電する。また、場合
によっては巻線ＷA，ＷB又はＷC，ＷDの巻線方向を逆に
してインバータ２A，２Bと２C，２Dの位相を同じくして
給電する。The inverters 2 A and 2 B and 2 C and 2 D are in phase with each other, and 2 A , 2 B and 2 C and 2 D supply line voltage to the induction motor 4 whose phases are different from each other by 180 °. In some cases, the windings W A and W B or W C and W D are reversed in direction, and the inverters 2 A and 2 B and 2 C and 2 D are supplied with the same phase.
【００１３】この実施例では誘導電動機はスロット内に
２つのコイルが巻き入れられることになるが、従来の方
式によれば、４台のインバータで駆動する場合、スロッ
ト内には４つのコイルが巻き入れられることになるの
で、従来方式に比し巻線作業，作業工数が半分で済むこ
とになる。In this embodiment, the induction motor has two coils wound in the slot. According to the conventional method, when driven by four inverters, four coils are wound in the slot. Since it can be inserted, the winding work and work man-hours can be halved compared to the conventional method.
【００１４】実施例３ 図４は図１の駆動システムにおいてＡＣＲ制御をかけた
例を示す。この場合、インバータ２A，２Bから電動機４
に流れる電流ＩU1，ＩU2等を電流検出器ＣＴA，ＣＴBで
検出し、ＡＣＲ制御器３で設定値と比較してインバータ
２A，２Bを制御することによって電流ＩU1，ＩU2等を制
御している。この場合電流ＩU1，ＩU2は１８０°位相の
異なる電流を与える。Embodiment 3 FIG. 4 shows an example in which ACR control is applied in the drive system shown in FIG. In this case, from the inverters 2 A and 2 B to the electric motor 4
The currents I U1 , I U2, etc. flowing through the current detectors are detected by the current detectors CT A , CT B , and compared with the set values by the ACR controller 3 to control the inverters 2 A , 2 B so that the currents I U1 , I U2 Etc. are controlled. In this case, the currents I U1 and I U2 give currents having 180 ° different phases.
【００１５】図３の駆動システムにおいても図４の場合
と同様にＡＣＲ制御することができる。Even in the drive system of FIG. 3, ACR control can be performed as in the case of FIG.
【００１６】[0016]
【発明の効果】本発明は、上述のとおり構成されている
ので、次に記載する効果を奏する。Since the present invention is configured as described above, it has the following effects.
【００１７】（１）電動機は同一スロットに多重数分の
コイルを挿入する必要がないため、スロットの面積から
くる制約を受けにくく多重数が制限されにくい。(1) Since it is not necessary to insert as many coils as the number of multiplexes in the same slot in the electric motor, it is hard to be restricted by the area of the slot and the number of multiplexes is not limited.
【００１８】（２）同一スロットに多重分のコイルを巻
き入れる必要がないため、電動機の巻線作業が簡単で作
業効率が向上し、コストが低くなる。(2) Since it is not necessary to wind multiple coils in the same slot, winding work of the electric motor is simple, work efficiency is improved, and cost is reduced.
【図１】実施例１にかかる駆動システムの構成説明図。FIG. 1 is a configuration explanatory diagram of a drive system according to a first embodiment.
【図２】実施例１の変形例を示す説明図。FIG. 2 is an explanatory diagram showing a modified example of the first embodiment.
【図３】実施例２にかかる駆動システムの構成説明図。FIG. 3 is an explanatory diagram of a configuration of a drive system according to a second embodiment.
【図４】実施例３にかかる駆動システムの構成説明図。FIG. 4 is a structural explanatory view of a drive system according to a third embodiment.
【図５】従来例の駆動システム構成図。FIG. 5 is a drive system configuration diagram of a conventional example.
【図６】従来例の電動機巻線説明図。FIG. 6 is an explanatory view of a conventional motor winding.
２A〜２D…ＰＷＭインバータ ３…ＡＣＲ制御器 ４…誘導電動機 ＷA〜ＷD…巻線2 A to 2 D ... PWM inverter 3 ... ACR controller 4 ... induction motor W A to W-D ... winding
Claims (3)
Ｍインバータで駆動するシステムにおいて、 誘導電動機を、３相誘導電動機における１相分の対抗す
る極を形成する巻線を分離した６相誘導電動機に構成
し、６相誘導電動機において存在する二種類の巻線を複
数台のインバータに接続し、各巻線に同相又は逆相の対
称電圧波形を給電することを特徴とした多重巻線電動機
の駆動システム。1. A three-phase PW having a plurality of multi-winding induction motors.
In a system driven by an M inverter, the induction motor is configured as a 6-phase induction motor in which windings forming opposing poles for one phase in the 3-phase induction motor are separated, and two types of existing in the 6-phase induction motor are provided. A drive system for a multi-winding motor, characterized in that windings are connected to a plurality of inverters, and each winding is supplied with an in-phase or anti-phase symmetrical voltage waveform.
Ｍインバータで駆動するシステムにおいて、 誘導電動機を、３相誘導電動機における１相分の対抗す
る極を形成する巻線を分離した状態の６相誘導電動機に
おいて存在する二種類の巻線に、更に並列に複数の巻線
を施した巻線構成とし、 この各々の巻線を複数台のインバータに接続し、各巻線
に同相又は逆相の対称電圧波形を給電することを特徴と
した多重巻線電動機の駆動システム。2. A multi-phase induction motor having a plurality of multi-winding induction motors.
In a system driven by an M inverter, the induction motor is further connected in parallel to two types of windings existing in a 6-phase induction motor in which windings forming opposing poles for one phase in a 3-phase induction motor are separated. A multi-winding motor having a winding configuration in which a plurality of windings are applied to each of the windings, each winding is connected to a plurality of inverters, and each winding is supplied with a symmetrical voltage waveform of in-phase or anti-phase. Drive system.
Ｒ制御を行い、各巻線に同相又は逆位相の電流を給電す
ることを特徴とした請求項１又は２記載の多重巻線電動
機の駆動システム。3. An AC is obtained by detecting a current flowing through an induction motor.
3. The drive system for a multi-winding electric motor according to claim 1, wherein R control is performed to supply currents of the same phase or opposite phases to each winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089018A JPH07298685A (en) | 1994-04-27 | 1994-04-27 | Driving system of multiplex winding motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089018A JPH07298685A (en) | 1994-04-27 | 1994-04-27 | Driving system of multiplex winding motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07298685A true JPH07298685A (en) | 1995-11-10 |
Family
ID=13959174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6089018A Pending JPH07298685A (en) | 1994-04-27 | 1994-04-27 | Driving system of multiplex winding motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07298685A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6676400B2 (en) | 2000-08-11 | 2004-01-13 | Nokia Corporation | Control unit of a motor for an injection molding machine |
| EP1708336A1 (en) * | 2005-03-31 | 2006-10-04 | Sanyo Denki Co., Ltd. | Multi-winding motor |
| JP2007312533A (en) * | 2006-05-19 | 2007-11-29 | Fuji Electric Systems Co Ltd | Controller of induction motor |
| KR100878297B1 (en) * | 2006-02-08 | 2009-01-12 | 가부시키가이샤 덴소 | Motor with simplified structure and related control device |
| WO2010110483A2 (en) | 2009-03-25 | 2010-09-30 | Moog Japan Ltd. | Electric motor system |
| JP2014079150A (en) * | 2012-09-19 | 2014-05-01 | Toshiba Corp | Electromagnetic apparatus drive system and motor drive vehicle |
| JP2014093905A (en) * | 2012-11-06 | 2014-05-19 | Denso Corp | Rotary machine driving system |
| WO2014167645A1 (en) | 2013-04-09 | 2014-10-16 | 三菱電機株式会社 | Permanent magnet-type motor and electric power steering apparatus |
| CN104221260A (en) * | 2012-01-24 | 2014-12-17 | 通用电气能源能量变换技术有限公司 | Electric machine |
| WO2015016495A1 (en) * | 2013-08-01 | 2015-02-05 | (주)에스엠씨 | Bldc dual motor device |
| JP2017063518A (en) * | 2015-09-24 | 2017-03-30 | 学校法人 東洋大学 | Rotary electric machine system |
| US9932204B2 (en) | 2014-01-13 | 2018-04-03 | Otis Elevator Company | Drive unit for multiphase permanent magnet synchronous motor |
| CN112953351A (en) * | 2021-02-18 | 2021-06-11 | 中国第一汽车股份有限公司 | Inverter system |
| JP7092224B1 (en) * | 2021-02-26 | 2022-06-28 | 株式会社安川電機 | Power converter, control system, drive system and power conversion method |
-
1994
- 1994-04-27 JP JP6089018A patent/JPH07298685A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1180850A3 (en) * | 2000-08-11 | 2004-09-29 | Sumitomo Heavy Industries, Ltd. | Control unit of motor for injection molding machine |
| EP2290809A1 (en) | 2000-08-11 | 2011-03-02 | Sumitomo Heavy Industries, LTD. | Control unit of motor for injection molding machine |
| US6676400B2 (en) | 2000-08-11 | 2004-01-13 | Nokia Corporation | Control unit of a motor for an injection molding machine |
| EP1708336A1 (en) * | 2005-03-31 | 2006-10-04 | Sanyo Denki Co., Ltd. | Multi-winding motor |
| US7554238B2 (en) | 2005-03-31 | 2009-06-30 | Sanyo Denki Co., Ltd. | Multi-winding motor with reduced impedance unbalance |
| KR100878297B1 (en) * | 2006-02-08 | 2009-01-12 | 가부시키가이샤 덴소 | Motor with simplified structure and related control device |
| JP2007312533A (en) * | 2006-05-19 | 2007-11-29 | Fuji Electric Systems Co Ltd | Controller of induction motor |
| WO2010110483A2 (en) | 2009-03-25 | 2010-09-30 | Moog Japan Ltd. | Electric motor system |
| CN104221260A (en) * | 2012-01-24 | 2014-12-17 | 通用电气能源能量变换技术有限公司 | Electric machine |
| JP2014079150A (en) * | 2012-09-19 | 2014-05-01 | Toshiba Corp | Electromagnetic apparatus drive system and motor drive vehicle |
| JP2014093905A (en) * | 2012-11-06 | 2014-05-19 | Denso Corp | Rotary machine driving system |
| WO2014167645A1 (en) | 2013-04-09 | 2014-10-16 | 三菱電機株式会社 | Permanent magnet-type motor and electric power steering apparatus |
| EP3382867A1 (en) | 2013-04-09 | 2018-10-03 | Mitsubishi Electric Corporation | Permanent magnet type motor and electric power steering apparatus |
| US10199895B2 (en) | 2013-04-09 | 2019-02-05 | Mistubishi Electric Corporation | Permanent magnet type motor and electric power steering apparatus |
| WO2015016495A1 (en) * | 2013-08-01 | 2015-02-05 | (주)에스엠씨 | Bldc dual motor device |
| US9932204B2 (en) | 2014-01-13 | 2018-04-03 | Otis Elevator Company | Drive unit for multiphase permanent magnet synchronous motor |
| CN110492825A (en) * | 2014-01-13 | 2019-11-22 | 奥的斯电梯公司 | Delivery system |
| JP2017063518A (en) * | 2015-09-24 | 2017-03-30 | 学校法人 東洋大学 | Rotary electric machine system |
| CN112953351A (en) * | 2021-02-18 | 2021-06-11 | 中国第一汽车股份有限公司 | Inverter system |
| JP7092224B1 (en) * | 2021-02-26 | 2022-06-28 | 株式会社安川電機 | Power converter, control system, drive system and power conversion method |
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