JP2019176718A - インバータのピーク電流検出装置 - Google Patents
インバータのピーク電流検出装置 Download PDFInfo
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- JP2019176718A JP2019176718A JP2019028782A JP2019028782A JP2019176718A JP 2019176718 A JP2019176718 A JP 2019176718A JP 2019028782 A JP2019028782 A JP 2019028782A JP 2019028782 A JP2019028782 A JP 2019028782A JP 2019176718 A JP2019176718 A JP 2019176718A
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- current
- inverter
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- current detection
- phase
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/04—Measuring peak values or amplitude or envelope of ac or of pulses
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
- H02H7/1227—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to abnormalities in the output circuit, e.g. short circuit
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (7)
- 直流リンク電圧を交流電圧に変換して、3相のレッグの各レッグに直列に連結された2つのスイッチング素子を含むインバータ部の出力電流の瞬時最大出力電流(ピーク電流)を検出するピーク電流検出装置において、
前記インバータ部の下部レッグの各スイッチング素子に直列に連結されるシャント抵抗;
前記シャント抵抗から出力される信号から出力電流を検出する電流検出部;及び、
前記電流検出部から入力される出力電流を加算して、前記インバータ部の出力電流の瞬時最大出力電流(ピーク電流)を出力する加算部を含むピーク電流検出装置。 - 前記加算部は、演算増幅器を含む、請求項1に記載のピーク電流検出装置。
- 前記電流検出部から入力される出力電流が前記演算増幅器の反転端子に入力される、請求項2に記載のピーク電流検出装置。
- 前記電流検出部から入力される出力電流が前記演算増幅器の非反転端子に入力される、請求項2に記載のピーク電流検出装置。
- 前記3相のレッグのうち、第1及び第2相の下部レッグのスイッチング素子で電流経路が形成される区間において、前記電流検出部が第1及び第2相電流を検出して、前記加算部は、前記第1及び第2相電流を加算し、第3相電流をピーク電流として出力する、請求項1に記載のピーク電流検出装置。
- 前記3相のレッグのうち、第1相の下部レッグのスイッチング素子で電流経路が形成される区間において、前記電流検出部が第1相電流を検出して、前記加算部は、前記第1相電流をピーク電流として出力する、請求項1に記載のピーク電流検出装置。
- 前記加算部にオフセット電圧を提供するオフセット調整部をさらに含む、請求項2に記載のピーク電流検出装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180035125A KR102014185B1 (ko) | 2018-03-27 | 2018-03-27 | 인버터 피크전류 검출장치 |
KR10-2018-0035125 | 2018-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2019176718A true JP2019176718A (ja) | 2019-10-10 |
Family
ID=65686762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019028782A Pending JP2019176718A (ja) | 2018-03-27 | 2019-02-20 | インバータのピーク電流検出装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10658946B2 (ja) |
EP (1) | EP3547517A1 (ja) |
JP (1) | JP2019176718A (ja) |
KR (1) | KR102014185B1 (ja) |
CN (1) | CN110320396B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3683587A1 (en) | 2019-01-15 | 2020-07-22 | Mahle International GmbH | Power supply control circuits for brushless dc (bldc) motors |
KR102138360B1 (ko) * | 2019-04-11 | 2020-07-27 | 엘에스일렉트릭(주) | 출력지락 검출이 가능한 인버터 시스템과 이를 이용한 출력지락 검출 방법 |
CN116470820A (zh) * | 2022-01-12 | 2023-07-21 | 台达电子工业股份有限公司 | 三相功率转换器的输出电流的箝位控制方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0738345A (ja) * | 1993-07-23 | 1995-02-07 | Mitsubishi Electric Corp | オフセット調整装置 |
JP2003289687A (ja) * | 2002-01-28 | 2003-10-10 | Denso Corp | 三相ブラシレスdcモータの制御方法 |
JP2004147401A (ja) * | 2002-10-23 | 2004-05-20 | Toyota Industries Corp | 電流検出装置および電流検出機能付きインバータ装置 |
JP2005304102A (ja) * | 2004-04-06 | 2005-10-27 | Kawasaki Heavy Ind Ltd | 過電流保護装置 |
JP2008072857A (ja) * | 2006-09-15 | 2008-03-27 | Mitsubishi Electric Corp | モータ駆動装置 |
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CN100521437C (zh) * | 2002-04-24 | 2009-07-29 | 三洋电机株式会社 | 装有过流保护电路的混合集成电路装置 |
KR101053591B1 (ko) * | 2004-06-24 | 2011-08-03 | 엘지전자 주식회사 | 지능형 파워 모듈의 과전류 보호 회로 |
US7583523B2 (en) * | 2004-07-20 | 2009-09-01 | Panasonic Corporation | Three phase inverter control circuit detecting two phase currents and deducting or adding identical ON periods |
JP5230068B2 (ja) * | 2006-01-13 | 2013-07-10 | オムロンオートモーティブエレクトロニクス株式会社 | インバータ装置 |
KR101364204B1 (ko) * | 2007-05-29 | 2014-02-17 | 엘지전자 주식회사 | 모터 드라이버 시스템 및 모터 드라이버 보호방법 |
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JP6277288B2 (ja) * | 2014-11-28 | 2018-02-07 | 株式会社日立産機システム | 監視装置と監視方法およびそれらを備える制御装置と制御方法 |
JP2017093240A (ja) * | 2015-11-16 | 2017-05-25 | オムロンオートモーティブエレクトロニクス株式会社 | 多相電動モータ制御装置 |
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CN205724934U (zh) * | 2016-06-22 | 2016-11-23 | 阳光电源股份有限公司 | 低压h桥级联拓扑光伏***及其电流检测装置和逆变器 |
-
2018
- 2018-03-27 KR KR1020180035125A patent/KR102014185B1/ko active IP Right Grant
-
2019
- 2019-02-20 JP JP2019028782A patent/JP2019176718A/ja active Pending
- 2019-02-22 US US16/283,059 patent/US10658946B2/en active Active
- 2019-03-04 EP EP19160646.6A patent/EP3547517A1/en not_active Ceased
- 2019-03-27 CN CN201910237847.4A patent/CN110320396B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0738345A (ja) * | 1993-07-23 | 1995-02-07 | Mitsubishi Electric Corp | オフセット調整装置 |
JP2003289687A (ja) * | 2002-01-28 | 2003-10-10 | Denso Corp | 三相ブラシレスdcモータの制御方法 |
JP2004147401A (ja) * | 2002-10-23 | 2004-05-20 | Toyota Industries Corp | 電流検出装置および電流検出機能付きインバータ装置 |
JP2005304102A (ja) * | 2004-04-06 | 2005-10-27 | Kawasaki Heavy Ind Ltd | 過電流保護装置 |
JP2008072857A (ja) * | 2006-09-15 | 2008-03-27 | Mitsubishi Electric Corp | モータ駆動装置 |
WO2017187532A1 (ja) * | 2016-04-26 | 2017-11-02 | 三菱電機株式会社 | 電動機駆動装置および空気調和機 |
Also Published As
Publication number | Publication date |
---|---|
US10658946B2 (en) | 2020-05-19 |
KR102014185B1 (ko) | 2019-08-26 |
US20190305693A1 (en) | 2019-10-03 |
CN110320396A (zh) | 2019-10-11 |
EP3547517A1 (en) | 2019-10-02 |
CN110320396B (zh) | 2021-11-16 |
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