JP7183472B2 - 電動機駆動装置、空気調和機及び冷蔵庫 - Google Patents
電動機駆動装置、空気調和機及び冷蔵庫 Download PDFInfo
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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
- H02M1/32—Means for protecting converters other than automatic disconnection
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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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/025—Motor control arrangements
-
- 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
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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
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/15—Power, e.g. by voltage or current
- F25B2700/151—Power, e.g. by voltage or current of the compressor motor
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Inverter Devices (AREA)
- Control Of Ac Motors In General (AREA)
Description
図1は、実施の形態1に係る直流電源装置を含む電動機駆動装置の構成例を示す図である。実施の形態1に係る電動機駆動装置150は、直流電源装置100と、インバータ回路10と、駆動制御部11と、電流検出部12,13,14と、を備える。
図5は、実施の形態2に係る空気調和機の構成例を示す図である。図5に示す実施の形態2に係る空気調和機200は、実施の形態1で説明した電動機駆動装置150を備える。具体的に、空気調和機200は、図1に示す電動機15を内蔵した圧縮機41、四方弁42、室外熱交換器43、膨張弁44、室内熱交換器45が冷媒配管46を介して取り付けられた冷凍サイクルを有して、セパレート形空気調和機を構成している。
Claims (9)
- 交流電源から供給される交流を直流に変換する直流電源装置と、前記直流電源装置から供給される直流電流を用いて電動機を駆動するインバータ回路と、前記直流電源装置と前記インバータ回路との間に流れる第1電流及び前記電動機に流れる電流に基づいて前記インバータ回路の動作を制御する駆動制御部と、を備え、
前記直流電源装置は、
前記交流電源が出力する交流電圧を直流電圧に整流する整流回路と、
リアクタを有し、前記リアクタを介して、若しくは前記リアクタを介さずに前記整流回路から出力される直流電圧を昇圧した昇圧電圧を発生させて前記インバータ回路に印加する昇圧回路と、
前記昇圧回路の動作を制御する制御部と、
前記第1電流を検出する第1の電流検出部と、を備え、
前記昇圧回路は、
直列接続された第1及び第2のコンデンサを有する電荷蓄積部と、
直列接続された第1及び第2のスイッチング素子と、前記電荷蓄積部からの電荷の逆流を防止する向きに接続される逆流防止素子を有する切替部と、
前記整流回路と前記切替部との間に流れる第2電流を検出する第2の電流検出部と、を備え、
前記駆動制御部は、前記電動機に流れる電流に基づいて前記電動機の負荷状態を判定し、前記電動機の負荷状態に基づいて前記インバータ回路に印加する直流電流の電圧値を決定し、
前記制御部は、前記駆動制御部から送信された前記電圧値の情報に基づいて前記インバータ回路に印加する直流電流の電圧値を制御し、
前記制御部は、前記第1の電流検出部の検出値に基づいて前記インバータ回路の過電流故障の有無を検出すると共に、前記第2の電流検出部の検出値に基づいて前記昇圧回路の過電流故障の有無を検出し、
前記昇圧回路の過電流故障が検出された場合には、前記昇圧回路の昇圧動作を停止し、
前記昇圧回路の過電流故障が検出された場合であっても、前記インバータ回路の過電流故障が検出されない場合には、
前記昇圧回路の過電流故障が検出され、且つ、前記インバータ回路の過電流故障が検出されず、且つ、前記電動機の負荷状態が低負荷状態の場合には、前記昇圧回路から出力される非昇圧電圧で前記電動機の駆動を継続する
電動機駆動装置。 - 前記制御部は、前記昇圧回路の過電流故障が検出された場合において、前記インバータ回路の過電流故障が検出された場合には、前記インバータ回路の出力を停止する
請求項1に記載の電動機駆動装置。 - 前記制御部は、前記昇圧回路の過電流故障が検出され、且つ、前記インバータ回路の過電流故障が検出されない場合であっても、前記電動機の負荷状態が低負荷状態ではない場合には、前記インバータ回路の出力を停止する
請求項1に記載の電動機駆動装置。 - 前記第1及び第2のスイッチング素子のうちの少なくとも1つ、前記逆流防止素子のうちの少なくとも1つ、又は前記整流回路を構成する整流素子は、ワイドバンドギャップ半導体によって形成されている
請求項1から3の何れか1項に記載の電動機駆動装置。 - 前記インバータ回路を構成するスイッチング素子は、ワイドバンドギャップ半導体によって形成されている
請求項1から4の何れか1項に記載の電動機駆動装置。 - 前記ワイドバンドギャップ半導体は、炭化珪素、窒化ガリウム、酸化ガリウム又はダイヤモンドである
請求項4又は5に記載の電動機駆動装置。 - 前記電動機は、希土類元素以外で構成される永久磁石を有する電動機である
請求項1から6の何れか1項に記載の電動機駆動装置。 - 請求項1から7の何れか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り駆動される電動機を有する圧縮機と、
を備える空気調和機。 - 請求項1から7の何れか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り駆動される電動機を有する圧縮機と、
を備える冷蔵庫。
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PCT/JP2020/006100 WO2021166041A1 (ja) | 2020-02-17 | 2020-02-17 | 直流電源装置、電動機駆動装置、空気調和機及び冷蔵庫 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010187521A (ja) | 2009-01-16 | 2010-08-26 | Mitsubishi Electric Corp | モーター駆動制御装置、圧縮機、送風機、空気調和機及び冷蔵庫又は冷凍庫 |
JP6129331B2 (ja) | 2013-10-18 | 2017-05-17 | 三菱電機株式会社 | 直流電源装置、電動機駆動装置、空気調和機および冷蔵庫 |
JP6132948B1 (ja) | 2016-03-29 | 2017-05-24 | 三菱電機株式会社 | モータ制御装置およびモータ制御方法 |
WO2017158916A1 (ja) | 2016-03-16 | 2017-09-21 | 東芝キヤリア株式会社 | 電源装置 |
JP2018117507A (ja) | 2017-01-22 | 2018-07-26 | 新電元工業株式会社 | 半導体スイッチ及び半導体モジュール |
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JP6759830B2 (ja) * | 2016-08-08 | 2020-09-23 | 富士電機株式会社 | 電力変換装置 |
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- 2020-02-17 US US17/915,188 patent/US20230238893A1/en active Pending
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010187521A (ja) | 2009-01-16 | 2010-08-26 | Mitsubishi Electric Corp | モーター駆動制御装置、圧縮機、送風機、空気調和機及び冷蔵庫又は冷凍庫 |
JP6129331B2 (ja) | 2013-10-18 | 2017-05-17 | 三菱電機株式会社 | 直流電源装置、電動機駆動装置、空気調和機および冷蔵庫 |
WO2017158916A1 (ja) | 2016-03-16 | 2017-09-21 | 東芝キヤリア株式会社 | 電源装置 |
JP6132948B1 (ja) | 2016-03-29 | 2017-05-24 | 三菱電機株式会社 | モータ制御装置およびモータ制御方法 |
JP2018117507A (ja) | 2017-01-22 | 2018-07-26 | 新電元工業株式会社 | 半導体スイッチ及び半導体モジュール |
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