JP6336031B2 - 直流電源装置および、それを備えた電動機駆動装置、ならびに、それを備えた冷凍サイクル適用機器 - Google Patents
直流電源装置および、それを備えた電動機駆動装置、ならびに、それを備えた冷凍サイクル適用機器 Download PDFInfo
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Classifications
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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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
-
- 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
-
- 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
- H02M1/4216—Arrangements for improving power factor of AC input operating from a three-phase input voltage
-
- 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
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- 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
-
- 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
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/09—Boost converter, i.e. DC-DC step up converter increasing the voltage between the supply and the inverter driving the motor
-
- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Description
図1は、実施の形態1にかかる直流電源装置の一構成例を示す図である。図1に示すように、実施の形態1にかかる直流電源装置100は、負荷11の運転状態に応じて、交流電源1から供給される三相交流を直流に変換して負荷11に供給する構成としている。また、本実施の形態では、負荷11として、例えば冷凍サイクル装置に用いられる圧縮機の電動機を駆動するインバータ負荷等を想定しているが、これに限るものではないことは言うまでもない。
図5は、実施の形態2にかかる直流電源装置の一構成例を示す図である。なお、実施の形態1と同一または同等の構成部には同一符号を付して、その詳細な説明は省略する。
図6は、実施の形態3にかかる直流電源装置の一構成例を示す図である。なお、実施の形態1と同一または同等の構成部には同一符号を付して、その詳細な説明は省略する。
本実施の形態では、実施の形態1,3において説明した直流電源装置に接続する負荷について説明する。
Claims (12)
- 交流電源から供給される交流を直流に変換して負荷に供給する直流電源装置であって、
前記交流を整流する整流回路と、
前記交流電源と前記整流回路との間に各相毎に挿入された第1のリアクトルと、
直列接続された第1のコンデンサおよび第2のコンデンサを具備し、前記負荷への出力端子間に接続された第1のコンデンサ群と、
直列接続された第1のスイッチング素子および第2のスイッチング素子を具備し、前記整流回路と前記第1のコンデンサ群との間に並列に接続されたスイッチング素子群と、
前記スイッチング素子群の動作により前記第1のコンデンサ群に充電された電荷の前記スイッチング素子群への逆流を阻止する逆流阻止手段と、
一端が前記スイッチング素子群の中点に電気的に接続され、他端が前記第1のリアクトルにおける前記整流回路側の各相端子に接続される3つのコンデンサを具備する第2のコンデンサ群と、
一端が前記第1のリアクトルと前記第2のコンデンサ群との接続点に接続され、他端が前記整流回路に接続される第2のリアクトルと、を備え、
前記第1のスイッチング素子および前記第2のスイッチング素子に対する各オンデューティを同一に制御しつつ前記負荷への出力電圧を昇圧し、
前記第2のリアクトルのインダクタンス値は、前記第1のリアクトルのインダクタンス値よりも小さい直流電源装置。 - 前記第1のスイッチング素子および前記第2のスイッチング素子をオフ制御状態とする全波整流モードと、
前記第1のスイッチング素子および前記第2のスイッチング素子を交互にオン制御する昇圧モードと、
を有する請求項1に記載の直流電源装置。 - 前記昇圧モードにおいて、前記交流電源から供給される交流の電圧が閾値以上である場合に、前記オンデューティが50%未満とされ、前記第1のスイッチング素子および前記第2のスイッチング素子の同時オフ区間が設けられている請求項2に記載の直流電源装置。
- 前記昇圧モードにおいて、前記交流電源から供給される交流の電圧が閾値未満である場合に、前記オンデューティが50%以上とされ、前記第1のスイッチング素子および前記第2のスイッチング素子の同時オン区間が設けられている請求項2に記載の直流電源装置。
- 前記スイッチング素子群の中点と前記第1のコンデンサ群の中点との間に接続される開閉手段をさらに備えた請求項2に記載の直流電源装置。
- 前記逆流阻止手段、前記第1のスイッチング素子、および前記第2のスイッチング素子の何れかに短絡故障が発生した場合に、前記開閉手段を開制御して、前記全波整流モードで動作させる請求項5に記載の直流電源装置。
- 前記第1のリアクトルと前記第2のリアクトルとが異なるコア材を磁気結合した1つの磁気結合リアクトルとして構成されている請求項1に記載の直流電源装置。
- 前記第1のスイッチング素子、前記第2のスイッチング素子、前記逆流阻止手段を構成する半導体素子のうちの少なくとも1つがワイドバンドギャップ半導体で形成されている請求項1から7の何れか1項に記載の直流電源装置。
- 前記ワイドバンドギャップ半導体は、炭化珪素、窒化ガリウム系材料またはダイヤモンドである請求項8に記載の直流電源装置。
- 請求項1から9の何れか1項に記載の直流電源装置を備え、
前記負荷として、電動機を駆動するインバータを備える電動機駆動装置。 - 冷凍サイクル装置内の冷媒を圧縮する圧縮機に内蔵された電動機を駆動する電動機駆動装置によって熱交換を行う冷凍サイクル適用機器であって、
前記冷媒は、HFC冷媒よりも地球温暖化係数が低く、
前記電動機駆動装置は、請求項1から9の何れか1項に記載の直流電源装置を備え、前記冷媒の圧力上昇、もしくは、前記冷媒の温度上昇を推測し、当該冷媒の圧力上昇または温度上昇を抑制するよう動作する冷凍サイクル適用機器。 - 前記負荷として、前記電動機を駆動するインバータを備える請求項11に記載の冷凍サイクル適用機器。
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PCT/JP2014/053922 WO2015125240A1 (ja) | 2014-02-19 | 2014-02-19 | 直流電源装置および、それを備えた電動機駆動装置、ならびに、それを備えた冷凍サイクル適用機器 |
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US (1) | US9929636B2 (ja) |
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WO (1) | WO2015125240A1 (ja) |
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JP6505261B2 (ja) * | 2016-02-04 | 2019-04-24 | 三菱電機株式会社 | 電力変換装置 |
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- 2014-02-19 JP JP2016503825A patent/JP6336031B2/ja active Active
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