JP6138276B2 - 電力変換装置、およびそれを備えたモータ駆動装置、およびそれを備えた送風機、圧縮機、およびそれらを備えた空気調和機、冷蔵庫、ならびに冷凍機 - Google Patents
電力変換装置、およびそれを備えたモータ駆動装置、およびそれを備えた送風機、圧縮機、およびそれらを備えた空気調和機、冷蔵庫、ならびに冷凍機 Download PDFInfo
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- 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
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
- H02M7/53875—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output
- H02M7/53876—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
-
- 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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
- H02P21/18—Estimation of position or speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
- F25D2317/0681—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Description
図1は、実施の形態1にかかる電力変換装置の一構成例を示す図である。図1に示す例では、実施の形態1にかかる電力変換装置100は、直流電源1から供給される直流電力を負荷装置(図1に示す例ではモータ)9に供給する3相交流電力に変換する構成としている。
Vv=iu×Rdc+iv×Rsh …(2)
Vv=iv×Rdc …(5)
Vv=iw×Rdc+iv×Rsh …(8)
Vv=iv×Rsh …(11)
Vv=iw×Rdc …(14)
iu=iv=(1/2)iw …(16)
Vv=iu×Rdc …(18)
iv=iw=(1/2)iu …(20)
Vv=iv×Rdc+iv×Rsh …(22)
iu=iw=(1/2)iv …(24)
実施の形態1では、U相、V相、およびW相のうち、2相の下アームスイッチング素子に下アームシャント抵抗を接続し、これら2相の下アーム電圧を検出することにより、負荷装置に流れる各相電流iu,iv,iwを算出する手法について説明したが、本実施の形態では、U相、V相、およびW相の各相下アームスイッチング素子に下アームシャント抵抗を接続し、これら3相の下アーム電圧を検出して、負荷装置に流れる各相電流iu,iv,iwを算出する手法について説明する。
Vv=iu×Rdc+iv×Rsh …(26)
Vw=iu×Rdc+iw×Rsh …(27)
Vv=iv×Rdc …(29)
Vw=iv×Rdc+iw×Rsh …(30)
Vv=iw×Rdc+iv×Rsh …(32)
Vw=iw×Rdc …(33)
Vv=iv×Rsh …(35)
Vw=iw×Rsh …(36)
Vv=iw×Rdc …(38)
Vw=iw×Rdc+iw×Rsh …(39)
iu=iv=(1/2)iw …(41)
Vv=iu×Rdc …(43)
Vw=iu×Rdc …(44)
iv=iw=(1/2)iu …(46)
Vv=iv×Rdc+iv×Rsh …(48)
Vw=iv×Rdc …(49)
iu=iw=(1/2)iv …(51)
Claims (15)
- 直流電源から供給される直流電力を交流電力に変換して負荷装置に供給する電力変換装置であって、
上アームスイッチング素子および下アームスイッチング素子を具備するアームを3相分並列に接続して構成されるインバータと、
前記直流電源の負電圧側と前記インバータとの間に設けられた電源シャント抵抗と、
少なくとも2相分の前記下アームスイッチング素子と前記電源シャント抵抗との間にそれぞれ設けられた下アームシャント抵抗と、
前記下アームスイッチング素子および前記下アームシャント抵抗の各接続点と前記直流電源の負電圧側との間の電圧を検出する電圧検出部と、
前記電圧検出部の各検出値に基づいて、前記負荷装置に流れる各相電流を算出し、当該各相電流に基づいて、前記上アームスイッチング素子および前記下アームスイッチング素子に対応する6つの駆動信号を生成する制御部と、
を備え、
前記インバータのスイッチングの1周期内における上アームスイッチング素子が全てON状態である時間と、下アームスイッチング素子が全てON状態である時間との比率を変調率に応じて変更する電力変換装置。 - 前記比率は、前記インバータのスイッチングの1周期内における上アームスイッチング素子が全てON状態である時間に対して下アームスイッチング素子が全てON状態である時間が長くなるように変更する請求項1に記載の電力変換装置。
- 前記比率は、前記インバータのスイッチングの1周期内における上アームスイッチング素子が全てON状態である時間が零となるように変更する請求項1または2に記載の電力変換装置。
- 前記比率は前記インバータの運転状況に応じて変更する請求項1から3の何れか1項に記載の電力変換装置。
- 前記運転状況は、前記インバータの変調率である請求項4に記載の電力変換装置。
- 前記比率は前記変調率と関連付けたテーブルに基づいて、前記変調率に対応して選択する請求項1から5の何れか1項に記載の電力変換装置。
- 前記制御部は、前記電圧検出部の各検出値より前記負荷装置に流れる各相電流を算出し、当該各相電流に基づいて、前記各駆動信号を生成する請求項1から6の何れか1項に記載の電力変換装置。
- 前記下アームスイッチング素子の少なくとも1つがON状態となる期間を前記電圧検出部の各検出値の検出期間とする請求項1から7の何れか1項に記載の電力変換装置。
- 前記上アームスイッチング素子および前記下アームスイッチング素子の少なくとも1つにワイドバンドギャップ半導体素子を用いる請求項1から8の何れか1項に記載の電力変換装置。
- 請求項1から9の何れか1項に記載の電力変換装置を備えたモータ駆動装置。
- 請求項10に記載のモータ駆動装置を備えた送風機。
- 請求項10に記載のモータ駆動装置を備えた圧縮機。
- 請求項11に記載の送風機あるいは請求項12に記載の圧縮機のうちの少なくとも一方を備えた空気調和機。
- 請求項11に記載の送風機あるいは請求項12に記載の圧縮機のうちの少なくとも一方を備えた冷蔵庫。
- 請求項11に記載の送風機あるいは請求項12に記載の圧縮機のうちの少なくとも一方を備えた冷凍機。
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PCT/JP2013/082509 WO2015083244A1 (ja) | 2013-12-03 | 2013-12-03 | 電力変換装置、およびそれを備えたモータ駆動装置、およびそれを備えた送風機、圧縮機、およびそれらを備えた空気調和機、冷蔵庫、ならびに冷凍機 |
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WO2015194585A1 (ja) * | 2014-06-17 | 2015-12-23 | 株式会社明電舎 | 共振負荷用電力変換装置および共振負荷用電力変換装置の時分割運転方法 |
EP3217535B1 (en) * | 2014-11-04 | 2021-04-28 | Mitsubishi Electric Corporation | Motor drive device and air conditioner |
JP6312852B2 (ja) * | 2014-11-04 | 2018-04-18 | 三菱電機株式会社 | 電動機駆動装置および空気調和機 |
CN105024614A (zh) * | 2015-06-30 | 2015-11-04 | 深圳市富晶科技有限公司 | 一种电机定子电流的采样方法 |
KR101629397B1 (ko) * | 2015-12-03 | 2016-06-13 | 연세대학교 산학협력단 | 비대칭 모듈러 멀티레벨 컨버터 제어 장치 및 방법 |
WO2019049459A1 (ja) * | 2017-09-07 | 2019-03-14 | 日本電産株式会社 | インバータの制御方法、モータ駆動ユニット、モータモジュールおよび電動パワーステアリング装置 |
CN113016131B (zh) * | 2018-11-07 | 2024-01-16 | 三菱电机株式会社 | 马达驱动装置以及使用该马达驱动装置的空调机 |
JP7424172B2 (ja) * | 2020-04-01 | 2024-01-30 | 富士電機株式会社 | モータ駆動装置、モータ駆動方法、およびモータ駆動プログラム |
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JP3216494B2 (ja) * | 1995-09-26 | 2001-10-09 | 三菱電機株式会社 | モータ制御装置 |
JP2003209976A (ja) * | 2002-01-11 | 2003-07-25 | Matsushita Electric Ind Co Ltd | Pwmインバータ装置及びその電流検出方法 |
WO2006009145A1 (ja) | 2004-07-20 | 2006-01-26 | Matsushita Electric Industrial Co., Ltd. | インバータ装置 |
JP3750691B1 (ja) | 2004-07-20 | 2006-03-01 | 松下電器産業株式会社 | インバータ装置 |
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JP5446324B2 (ja) * | 2008-03-12 | 2014-03-19 | 三洋電機株式会社 | インバータ装置 |
DE102008018885A1 (de) * | 2008-04-14 | 2009-10-22 | Sew-Eurodrive Gmbh & Co. Kg | Leiterplatte, Verfahren zur Bestimmung eines Stromraumzeigers, Umrichter, Leiterplatte und Baureihe von Umrichtern |
JP4889694B2 (ja) | 2008-07-24 | 2012-03-07 | 三菱電機株式会社 | 直流電源装置、それを備えたインバータ装置、及びそのインバータ装置を備えた空気調和機、洗濯機並びに洗濯乾燥機 |
JP2010063239A (ja) | 2008-09-02 | 2010-03-18 | Denso Corp | 多相回転機の制御装置及び多相回転機の制御システム |
CN201383763Y (zh) * | 2009-04-08 | 2010-01-13 | 宁波德斯科电子科技有限公司 | 一种用于变频器的电流采样电路 |
US8248829B2 (en) * | 2009-05-01 | 2012-08-21 | Board Of Regents, The University Of Texas System | Methods and systems for phase current reconstruction of AC drive systems |
CN102025312B (zh) | 2009-09-16 | 2014-01-29 | 株式会社东芝 | 马达控制元件及电气设备 |
JP5018850B2 (ja) * | 2009-09-28 | 2012-09-05 | 三菱電機株式会社 | 電動機制御装置 |
EP2485381B1 (en) | 2009-09-28 | 2019-05-01 | Daikin Industries, Ltd. | Phase current detection device and inverter circuit using the same |
JP5321530B2 (ja) * | 2010-04-23 | 2013-10-23 | 三菱電機株式会社 | 3相電圧型pwmインバータ制御装置 |
CN101997475B (zh) * | 2010-09-21 | 2012-11-21 | 高强 | 采样电动机相电流的方法及用于采样电动机相电流的设备 |
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