JPWO2014167719A1 - 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
- 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
-
- 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
-
- 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
- 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
- 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
- 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
- H02M7/53873—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 digital control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
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 (13)
- 直流電源から供給される直流電力を負荷装置に供給する3相交流電力に変換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からなるアームを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、
3相のうちの少なくとも2相分の前記各相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各相下アームシャント抵抗と、
前記各相下アームスイッチング素子および前記各相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各相下アーム電圧検出部と、
前記各相下アーム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、前記各相上アームスイッチング素子および前記各相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、
を備える
ことを特徴とする電力変換装置。 - 前記各相下アームシャント抵抗および前記各相下アーム電圧検出部は、3相のうちの2相分設けられたことを特徴とする請求項1に記載の電力変換装置。
- 前記各相下アームシャント抵抗および前記各相下アーム電圧検出部は、3相分設けられたことを特徴とする請求項1に記載の電力変換装置。
- 前記制御部は、前記インバータの運転状況に応じて、前記各相電流の算出に用いる前記各相下アーム電圧検出部の検出値の検出期間を切り替えることを特徴とする請求項1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ことを特徴とする請求項4に記載の電力変換装置。
- 前記制御部は、前記変調率が予め設定した閾値未満である場合には、前記各相上アームスイッチング素子が全てOFF状態となる期間を前記検出期間とし、前記変調率が前記閾値以上である場合には、前記各相上アームスイッチング素子の1つあるいは2つがON状態となる期間を前記検出期間とすることを特徴とする請求項5に記載の電力変換装置。
- 前記制御部は、前記変調率と前記検出期間とを関連付けたテーブルに基づいて、前記変調率に対応した前記検出期間を選択することを特徴とする請求項5に記載の電力変換装置。
- 請求項1〜7の何れか一項に記載の電力変換装置を備えたことを特徴とするモータ駆動装置。
- 請求項8に記載のモータ駆動装置を備えたことを特徴とする送風機。
- 請求項8に記載のモータ駆動装置を備えたことを特徴とする圧縮機。
- 請求項9に記載の送風機あるいは請求項10に記載の圧縮機のうちの少なくとも一方を備えたことを特徴とする空気調和機。
- 請求項9に記載の送風機あるいは請求項10に記載の圧縮機のうちの少なくとも一方を備えたことを特徴とする冷蔵庫。
- 請求項9に記載の送風機あるいは請求項10に記載の圧縮機のうちの少なくとも一方を備えたことを特徴とする冷凍機。
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PCT/JP2013/061095 WO2014167719A1 (ja) | 2013-04-12 | 2013-04-12 | 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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JPWO2014167719A1 true JPWO2014167719A1 (ja) | 2017-02-16 |
JP6157599B2 JP6157599B2 (ja) | 2017-07-05 |
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US (1) | US9531301B2 (ja) |
JP (1) | JP6157599B2 (ja) |
CN (2) | CN105075101B (ja) |
WO (1) | WO2014167719A1 (ja) |
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CA2873381C (en) | 2012-07-11 | 2020-01-14 | Cooperatie Avebe U.A. | Potato protein isolates |
JP6958234B2 (ja) * | 2017-10-26 | 2021-11-02 | 株式会社デンソー | 電流検出装置 |
US12088227B2 (en) * | 2020-02-19 | 2024-09-10 | Mitsubishi Electric Corporation | Electric motor and air-conditioning apparatus including the same |
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- 2013-04-12 US US14/779,991 patent/US9531301B2/en active Active
- 2013-04-12 CN CN201380075415.9A patent/CN105075101B/zh active Active
- 2013-04-12 WO PCT/JP2013/061095 patent/WO2014167719A1/ja active Application Filing
- 2013-04-12 JP JP2015511054A patent/JP6157599B2/ja active Active
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JP2006101685A (ja) * | 2004-08-31 | 2006-04-13 | Matsushita Electric Ind Co Ltd | インバータ装置 |
JP2006254671A (ja) * | 2005-03-14 | 2006-09-21 | Denso Corp | 三相電圧型インバータ装置 |
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JP2011091992A (ja) * | 2009-09-28 | 2011-05-06 | Daikin Industries Ltd | 相電流検出装置、及びそれを用いた電力変換装置 |
JP2012157103A (ja) * | 2011-01-24 | 2012-08-16 | Mitsubishi Electric Corp | インバータ装置、ファン駆動装置、圧縮機駆動装置および空気調和機 |
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US20160036350A1 (en) | 2016-02-04 |
CN204013275U (zh) | 2014-12-10 |
JP6157599B2 (ja) | 2017-07-05 |
US9531301B2 (en) | 2016-12-27 |
WO2014167719A1 (ja) | 2014-10-16 |
CN105075101A (zh) | 2015-11-18 |
CN105075101B (zh) | 2018-02-27 |
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