JP6877627B2 - 電動機駆動装置および空気調和機 - Google Patents
電動機駆動装置および空気調和機 Download PDFInfo
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- JP6877627B2 JP6877627B2 JP2020504599A JP2020504599A JP6877627B2 JP 6877627 B2 JP6877627 B2 JP 6877627B2 JP 2020504599 A JP2020504599 A JP 2020504599A JP 2020504599 A JP2020504599 A JP 2020504599A JP 6877627 B2 JP6877627 B2 JP 6877627B2
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- connection state
- power supply
- motor
- voltage
- inverter
- Prior art date
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- 238000004804 winding Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 15
- 238000009499 grossing Methods 0.000 description 15
- 230000005347 demagnetization Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
- H02P25/184—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays wherein the motor speed is changed by switching from a delta to a star, e.g. wye, connection of its windings, or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/027—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an over-current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
Description
まず、本発明の実施の形態1にかかる電動機駆動装置について説明する。図1は、本発明の実施の形態1にかかる電動機駆動装置の構成例を示す図である。図1に示す、本実施の形態にかかる電動機駆動装置1は、交流電源2から供給される交流電力から電動機3を駆動するための電力を生成する。
上述した実施の形態1にかかる電動機駆動装置は、空気調和機の圧縮機またはファンを動作させる電動機に適用することが可能である。本実施の形態では、実施の形態1にて説明した電動機駆動装置を適用した空気調和機について説明する。
Claims (5)
- 永久磁石を備える回転子を有する電動機の固定子巻線の結線状態をデルタ結線状態である第1の結線状態およびスター結線状態である第2の結線状態のうちのいずれかに切り替える切替部と、
前記電動機を駆動するインバータ部と、
前記切替部の電源電圧である第1の電源電圧を検知し、前記第1の電源電圧が閾値より低下したときは、前記インバータ部を停止する電源電圧検知部と、
を備え、
前記切替部は、
前記第1の電源電圧が第1の値より小さいときに、前記第2の結線状態側に切り替え、
前記第1の電源電圧が前記第1の値より大きいときに、前記第1の結線状態側に切り替え、
前記閾値は、前記第1の値より大きい値である電動機駆動装置。 - 前記固定子巻線が前記第1の結線状態にあるとき、前記インバータ部を流れる電流が第1の遮断値を越えると、前記インバータ部を停止し、
前記固定子巻線が前記第2の結線状態にあるとき、前記インバータ部を流れる電流が、第1の遮断値よりも小さな第2の遮断値を越えると、前記インバータ部を停止する過電流遮断部をさらに備える
請求項1に記載の電動機駆動装置。 - 交流電源から供給される交流電圧を直流電圧に変換して前記インバータ部の電源電圧を生成する第1の電圧変換部と、
前記インバータ部の前記電源電圧を電圧変換して前記第1の電源電圧を生成する第2の電圧変換部とをさらに備える
請求項1または2に記載の電動機駆動装置。 - 前記インバータ部は、
前記電動機に供給する電力を生成するインバータと、
外部からの停止信号を受信し、前記インバータを停止させる停止回路とを備える
請求項1から3のいずれか1項に記載の電動機駆動装置。 - 請求項1から4のいずれか1項に記載の電動機駆動装置と、
前記電動機駆動装置によって駆動される電動機とを備える
空気調和機。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/009060 WO2019171549A1 (ja) | 2018-03-08 | 2018-03-08 | 電動機駆動装置および空気調和機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019171549A1 JPWO2019171549A1 (ja) | 2020-07-02 |
JP6877627B2 true JP6877627B2 (ja) | 2021-05-26 |
Family
ID=67845635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020504599A Active JP6877627B2 (ja) | 2018-03-08 | 2018-03-08 | 電動機駆動装置および空気調和機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11177756B2 (ja) |
EP (1) | EP3764538A4 (ja) |
JP (1) | JP6877627B2 (ja) |
CN (1) | CN111837332A (ja) |
WO (1) | WO2019171549A1 (ja) |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60102893A (ja) * | 1983-11-08 | 1985-06-07 | Hitachi Ltd | 電圧応動形回路自動切替式電動ポンプ |
DE69205918T2 (de) * | 1991-08-20 | 1996-04-04 | Tecumseh Products Co | Schutzschaltung in einem Wechselrichter für Kühlschränke. |
US6894455B2 (en) * | 2003-04-30 | 2005-05-17 | Remy Inc. | Performance improvement of integrated starter alternator by changing stator winding connection |
JP2008022665A (ja) * | 2006-07-14 | 2008-01-31 | Sharp Corp | モータ駆動装置、圧縮機駆動装置及び空調・冷凍装置 |
JP4722069B2 (ja) | 2007-03-15 | 2011-07-13 | 三菱電機株式会社 | 電動機駆動装置および電動機駆動方法並びに冷凍空調装置 |
JP2009216324A (ja) | 2008-03-11 | 2009-09-24 | Toshiba Carrier Corp | 空気調和機 |
US8981696B2 (en) * | 2009-01-16 | 2015-03-17 | International Business Machines Corporation | Dynamic reconfiguration-switching of windings in an electric motor in an electric vehicle |
JP2010200439A (ja) * | 2009-02-24 | 2010-09-09 | Panasonic Corp | 洗濯機用モータ駆動装置およびこれを用いた洗濯機 |
CN101718804B (zh) * | 2009-12-04 | 2012-05-23 | 中国电力科学研究院 | 一种用于特高压变压器的局部放电试验电源系统 |
US8638059B2 (en) | 2010-08-11 | 2014-01-28 | Dayton-Phoenix Group, Inc. | Control for multi-phase induction motor |
DE102010060380B3 (de) * | 2010-11-05 | 2012-02-02 | Lti Drives Gmbh | Notbetriebsfähige Pitchmotor-Antriebsschaltung |
JP5565757B2 (ja) * | 2011-04-14 | 2014-08-06 | 株式会社安川電機 | 交流電動機の巻線切替装置及び交流電動機駆動システム |
CN103863932B (zh) * | 2012-12-17 | 2017-09-05 | 通力股份公司 | 变频器和具有变频器的扶梯控制装置 |
JP5769694B2 (ja) * | 2012-12-21 | 2015-08-26 | 株式会社ツバキE&M | 過負荷検知装置 |
JP5569606B1 (ja) * | 2013-02-01 | 2014-08-13 | 株式会社安川電機 | インバータ装置および電動機ドライブシステム |
JP2015065754A (ja) * | 2013-09-25 | 2015-04-09 | ダイキン工業株式会社 | モータシステム |
EP3001548B1 (en) * | 2014-09-29 | 2019-07-03 | Airbus Operations GmbH | Emergency power supply system, aircraft having such an emergency power supply system and a method for providing at least electric power and hydraulic power in case of an emergency in an aircraft |
CN110892631B (zh) * | 2017-07-21 | 2023-03-10 | 三菱电机株式会社 | 电动机驱动装置、压缩机以及空调机 |
-
2018
- 2018-03-08 US US16/955,266 patent/US11177756B2/en active Active
- 2018-03-08 CN CN201880090605.0A patent/CN111837332A/zh active Pending
- 2018-03-08 WO PCT/JP2018/009060 patent/WO2019171549A1/ja active Application Filing
- 2018-03-08 EP EP18908336.3A patent/EP3764538A4/en not_active Withdrawn
- 2018-03-08 JP JP2020504599A patent/JP6877627B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
WO2019171549A1 (ja) | 2019-09-12 |
EP3764538A1 (en) | 2021-01-13 |
US20210226569A1 (en) | 2021-07-22 |
EP3764538A4 (en) | 2021-03-03 |
US11177756B2 (en) | 2021-11-16 |
CN111837332A (zh) | 2020-10-27 |
JPWO2019171549A1 (ja) | 2020-07-02 |
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