WO2022208929A1 - 回転電機の固定子、回転電機 - Google Patents

回転電機の固定子、回転電機 Download PDF

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Publication number
WO2022208929A1
WO2022208929A1 PCT/JP2021/032029 JP2021032029W WO2022208929A1 WO 2022208929 A1 WO2022208929 A1 WO 2022208929A1 JP 2021032029 W JP2021032029 W JP 2021032029W WO 2022208929 A1 WO2022208929 A1 WO 2022208929A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
slot
electric machine
conductor
rotary electric
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.)
Ceased
Application number
PCT/JP2021/032029
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
実紅 高橋
祐二 小林
泰行 齋藤
徳昭 日野
慎司 山崎
拓弥 宮城
啓輔 立野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Astemo Ltd
Original Assignee
Hitachi Astemo Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Astemo Ltd filed Critical Hitachi Astemo Ltd
Priority to CN202180092751.9A priority Critical patent/CN116830428A/zh
Priority to JP2023510185A priority patent/JP7532645B2/ja
Priority to DE112021006414.2T priority patent/DE112021006414T5/de
Priority to US18/264,338 priority patent/US20240120793A1/en
Publication of WO2022208929A1 publication Critical patent/WO2022208929A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings

Definitions

  • the present invention relates to a stator of a rotating electrical machine and a rotating electrical machine.
  • Patent Document 1 when the wave winding direction of the coil is unified with only one type of slot pitch on the opposite connection side, four parallel circuits are used to increase the number of parallel circuits per phase. , there is a problem that a phase difference occurs in the circuit. Further, under the same conditions, if the wave winding direction of the coil is not unified, there is a problem that the number of connecting parts for connecting the coil ends increases and the cost increases.
  • the vehicle 100 is equipped with an engine 120 , a first rotating electric machine 200 , a second rotating electric machine 202 , and a battery 180 .
  • the vehicle 100 is also equipped with a battery (not shown) for supplying low-voltage power such as 14-volt power. supply power.
  • the battery 180 is connected to the rotating electric machines 200 and 202 via the DC terminals of the power conversion device 600. Supply DC power.
  • the power conversion device 600 is provided with a power semiconductor (described later in FIG. 2) that constitutes an inverter for driving the rotating electric machines 200 and 202 . Based on the torque control command from the integrated control device 170, the power conversion device 600 controls the switching operation of the power semiconductor so as to generate the torque output or generated power as commanded. Due to the switching operation of the power semiconductors, rotating electric machines 200 and 202 are operated as electric motors or as generators.
  • a power semiconductor described later in FIG. 2
  • the power conversion device 600 controls the switching operation of the power semiconductor so as to generate the torque output or generated power as commanded. Due to the switching operation of the power semiconductors, rotating electric machines 200 and 202 are operated as electric motors or as generators.
  • the power modules 610 and 620 have a three-phase bridge circuit, and series circuits corresponding to three phases are electrically connected in parallel between the positive and negative sides of the battery 180, respectively.
  • Each series circuit includes a power semiconductor 21 forming an upper arm and a power semiconductor 21 forming a lower arm, and these power semiconductors 21 are connected in series.
  • the power module 610 and the power module 620 have substantially the same circuit configuration, and the power module 610 will be representatively described below.
  • the control circuit 648 constitutes a control section of each inverter device, and is composed of a microcomputer that calculates a control signal (control value) for operating (turning on/off) a plurality of switching power semiconductor elements. .
  • a control circuit 648 receives a torque command signal (torque command value) from a host controller, sensor outputs of current sensors 660 and 662, and sensor outputs of rotation sensors mounted on rotating electric machines 200 and 202.
  • FIG. Control circuit 648 calculates control values based on these input signals and outputs control signals for controlling switching timings to drive circuits 652 and 656 .
  • FIG. 3 shows a cross-sectional view of the rotating electric machine 200 of FIG. Note that the rotating electrical machine 200 and the rotating electrical machine 202 have substantially the same structure, and the structure of the rotating electrical machine 200 will be described below as a representative example. However, the structure described below need not be employed in both rotating electric machines 200 and 202, and may be employed in only one of them.
  • a stator 230 is held inside the housing 212 .
  • Stator 230 comprises a stator core 232 and stator windings 238 .
  • a rotor 250 is rotatably held on the inner peripheral side of the stator core 232 via a gap 222 .
  • the permanent magnets 254 act as field poles of the rotor 250 and have an 8-pole configuration in this embodiment.
  • the circumferential width of the hole 253 is set larger than the circumferential width of the permanent magnets 254 (254a, 254b), and the hole spaces 257 on both sides of the permanent magnets 254 function as magnetic gaps.
  • the hole space 257 may be filled with an adhesive, or may be integrally fixed with the permanent magnet 254 with molding resin.
  • the first star connection, the second star connection, the third star connection, and the fourth star connection are electrically connected between U phases, between V phases, and between W phases, respectively. It is connected.
  • FIG. 8 is a first connection layout diagram according to one embodiment of the present invention. Note that slot number 46 to slot number 13 are shown in the horizontal direction of FIG. 8, and the rotation direction of the rotor is from left to right in the drawing.
  • the coil end portions 241a to 241d connecting the slot conductors 233 of the layers 1 and 2 are also connected in the same manner as the connection method of the layers 5 and 6. Therefore, the description is omitted.
  • an output line connecting the slot conductor 233 and another device, and 2n from the inner peripheral side of the rotary electric machine 200 (202) where n is a natural number. and a jumper conductor 243 connecting the slot conductor 233 arranged on the th layer and the slot conductor 233 arranged on the 2n+1-th layer. Since it did in this way, embodiment of this invention can be employ
  • a rotating electrical machine 200 (202) that employs the embodiment of the present invention includes a stator 230 and a rotor 250 facing the stator of the rotating electrical machine with a predetermined gap therebetween. With this configuration, it is possible to provide rotating electrical machine 200 (202) that achieves both reduction in the number of connection parts 243 and improvement in output.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Windings For Motors And Generators (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
PCT/JP2021/032029 2021-03-29 2021-08-31 回転電機の固定子、回転電機 Ceased WO2022208929A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202180092751.9A CN116830428A (zh) 2021-03-29 2021-08-31 旋转电机的定子、旋转电机
JP2023510185A JP7532645B2 (ja) 2021-03-29 2021-08-31 回転電機の固定子、回転電機
DE112021006414.2T DE112021006414T5 (de) 2021-03-29 2021-08-31 Stator für eine drehende elektrische maschine und drehende elektrische maschine
US18/264,338 US20240120793A1 (en) 2021-03-29 2021-08-31 Stator for rotary electric machine and rotary electric machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021056206 2021-03-29
JP2021-056206 2021-03-29

Publications (1)

Publication Number Publication Date
WO2022208929A1 true WO2022208929A1 (ja) 2022-10-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/032029 Ceased WO2022208929A1 (ja) 2021-03-29 2021-08-31 回転電機の固定子、回転電機

Country Status (5)

Country Link
US (1) US20240120793A1 (https=)
JP (1) JP7532645B2 (https=)
CN (1) CN116830428A (https=)
DE (1) DE112021006414T5 (https=)
WO (1) WO2022208929A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024188956A1 (de) * 2023-03-15 2024-09-19 Zf Friedrichshafen Ag Wicklung, komponente für eine elektrische maschine und kraftfahrzeug
WO2025079584A1 (ja) * 2023-10-10 2025-04-17 ニデック株式会社 ステータ、およびモータ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023133071A1 (de) * 2023-11-27 2025-05-28 Seg Automotive Germany Gmbh Verfahren zum Herstellen einer Ständerwicklung für einen Ständer einer elektrischen Maschine und elektrische Maschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013145976A1 (ja) * 2012-03-29 2013-10-03 本田技研工業株式会社 回転電機のステータ構造
WO2018012554A1 (ja) * 2016-07-15 2018-01-18 株式会社デンソー 回転電機の固定子
WO2020195129A1 (ja) * 2019-03-28 2020-10-01 株式会社デンソー 回転電機、およびその固定子

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4339757B2 (ja) * 2004-07-12 2009-10-07 株式会社日立製作所 車両用駆動発電システム
JP5674540B2 (ja) * 2011-04-13 2015-02-25 日立オートモティブシステムズ株式会社 固定子および回転電機
JP5948061B2 (ja) * 2012-01-19 2016-07-06 日立オートモティブシステムズ株式会社 回転電機、およびその回転電機を備えた車両
JP5502913B2 (ja) * 2012-01-23 2014-05-28 三菱電機株式会社 回転電機
JP6439622B2 (ja) * 2015-07-31 2018-12-19 株式会社デンソー 回転電機の固定子
EP3370326B1 (en) * 2015-10-28 2025-12-24 Mitsubishi Electric Corporation Rotating electric machine
JP6625665B2 (ja) * 2015-12-22 2019-12-25 日立オートモティブシステムズエンジニアリング株式会社 固定子および回転電機
US11245299B2 (en) 2016-03-31 2022-02-08 Hitachi Astemo, Ltd. Stator for rotary electric machine and rotary electric machine using same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013145976A1 (ja) * 2012-03-29 2013-10-03 本田技研工業株式会社 回転電機のステータ構造
WO2018012554A1 (ja) * 2016-07-15 2018-01-18 株式会社デンソー 回転電機の固定子
WO2020195129A1 (ja) * 2019-03-28 2020-10-01 株式会社デンソー 回転電機、およびその固定子

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024188956A1 (de) * 2023-03-15 2024-09-19 Zf Friedrichshafen Ag Wicklung, komponente für eine elektrische maschine und kraftfahrzeug
WO2025079584A1 (ja) * 2023-10-10 2025-04-17 ニデック株式会社 ステータ、およびモータ

Also Published As

Publication number Publication date
CN116830428A (zh) 2023-09-29
JP7532645B2 (ja) 2024-08-13
DE112021006414T5 (de) 2023-09-21
JPWO2022208929A1 (https=) 2022-10-06
US20240120793A1 (en) 2024-04-11

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