JP2018157745A - 3相インバータの診断装置 - Google Patents
3相インバータの診断装置 Download PDFInfo
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- JP2018157745A JP2018157745A JP2018043147A JP2018043147A JP2018157745A JP 2018157745 A JP2018157745 A JP 2018157745A JP 2018043147 A JP2018043147 A JP 2018043147A JP 2018043147 A JP2018043147 A JP 2018043147A JP 2018157745 A JP2018157745 A JP 2018157745A
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- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
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- 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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
-
- 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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- 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
- G01R31/42—AC power supplies
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- 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
- H02H7/22—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 distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/222—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 distribution gear, e.g. bus-bar systems; for switching devices for switches
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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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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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
-
- 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
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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
- 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
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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
-
- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
- Power Conversion In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
次の[表1]は、スイッチング素子に印加されるPWM信号パターンを表す。
Claims (10)
- 直流リンクに配置されたキャパシタと直列に連結されるリレー;
前記リレーに並列に連結される初期充電抵抗;
3相出力線への電源供給を調節するスイッチング素子を含むインバータ部;
前記直流リンクと前記インバータ部を連結する連結線上に配置されて電流を感知する電流センサー;及び、
前記スイッチング素子を駆動して、前記電流の感知有無によって前記スイッチング素子の開放および短絡のうち少なくともいずれかを診断する制御部;を含むことを特徴とする、3相インバータの診断装置。 - 前記制御部は、前記診断の前にインバータ部から3相電源の供給を受ける電力系統に印加される電源を遮断して、診断のほか印加電源を遮断することを特徴とする、請求項1に記載の3相インバータの診断装置。
- 前記制御部は、前記インバータ部から3相電源の供給を受ける電力系統に印加される電源を遮断した後、前記直流リンクのキャパシタで電源が供給される間、前記キャパシタの電源を用いて前記スイッチング素子の開放および短絡のうち少なくともいずれかを診断することを特徴とする、請求項1に記載の3相インバータの診断装置。
- 前記スイッチング素子は、
3相それぞれに対する出力線と前記キャパシタの第1極の間にそれぞれ配置される上段スイッチング素子;及び、
3相それぞれに対する出力線と前記キャパシタの第1極と反対である第2極の間にそれぞれ配置される下段スイッチング素子;を含むことを特徴とする、請求項1に記載の3相インバータの診断装置。 - 前記制御部は、前記直流リンク、前記3相のうちいずれか相に対する出力線および他の1個の相に対する出力線が閉回路を成すように前記スイッチング素子を選択的に駆動して、前記スイッチング素子の開放有無を決定することを特徴とする、請求項4に記載の3相インバータの診断装置。
- 前記制御部は、それぞれの前記スイッチング素子を独立に駆動して、前記電流の感知有無によって前記スイッチング素子の短絡有無を決定することを特徴とする、請求項4に記載の3相インバータの診断装置。
- 前記制御部は、前記スイッチング素子のうちいずれかを駆動して、既設定値以上の大電流の感知有無によって駆動されたスイッチング素子と同じ相に連結されたスイッチング素子の短絡有無を決定することを特徴とする、請求項6に記載の3相インバータの診断装置。
- 直流リンクに配置されたキャパシタと直列に連結されるリレー;
前記リレーに並列に連結される初期充電抵抗;
3相出力線への電源供給を調節するスイッチング素子を含むインバータ部;
前記直流リンクと前記インバータ部を連結する連結線のうちいずれか連結線に配置されて第1電流を感知する第1の電流センサー;
前記直流リンクとインバータ部を連結する連結線のうち、前記第1の電流センサーが配置された連結線と異なる連結線に配置されて第2電流を感知する第2の電流センサー;及び、
前記スイッチング素子を駆動して、前記第1電流と前記第2電流の平衡有無によって3相出力線の地絡を診断する制御部;を含むことを特徴とする、3相インバータの診断装置。 - 前記スイッチング素子は、
3相それぞれに対する出力線と前記キャパシタの第1極の間にそれぞれ配置される上段スイッチング素子;及び、
3相それぞれに対する出力線と前記キャパシタの第1極と反対である第2極の間にそれぞれ配置される下段スイッチング素子;を含むことを特徴とする、請求項8に記載の3相インバータの診断装置。 - 前記制御部は、前記直流リンク、前記3相のうちいずれか相に対する出力線および他の2個の相に対する出力線が閉回路を成すように前記スイッチング素子を選択的に駆動して、前記第1電流と前記第2電流の平衡有無によって前記いずれか相の地絡有無を決定することを特徴とする、請求項9に記載の3相インバータの診断装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170033535A KR102337700B1 (ko) | 2017-03-17 | 2017-03-17 | 3상 인버터의 진단 장치 |
KR10-2017-0033535 | 2017-03-17 |
Publications (2)
Publication Number | Publication Date |
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JP2018157745A true JP2018157745A (ja) | 2018-10-04 |
JP6487085B2 JP6487085B2 (ja) | 2019-03-20 |
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Application Number | Title | Priority Date | Filing Date |
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JP2018043147A Expired - Fee Related JP6487085B2 (ja) | 2017-03-17 | 2018-03-09 | 3相インバータの診断装置 |
Country Status (6)
Country | Link |
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US (2) | US10816601B2 (ja) |
EP (1) | EP3376652B1 (ja) |
JP (1) | JP6487085B2 (ja) |
KR (1) | KR102337700B1 (ja) |
CN (1) | CN108631275B (ja) |
ES (1) | ES2930187T3 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200088968A (ko) * | 2019-01-16 | 2020-07-24 | 엘지전자 주식회사 | 모터 구동 장치 및 이를 구비하는 홈 어플라이언스 |
Families Citing this family (7)
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KR101864946B1 (ko) * | 2016-10-26 | 2018-06-05 | 한국전력공사 | 단일형 컨버터의 출력전압 제어 장치 및 그 방법 |
JP6420399B1 (ja) * | 2017-04-07 | 2018-11-07 | ファナック株式会社 | パワー素子の故障検出機能を備えたコンバータ装置及びパワー素子の故障検出方法 |
KR102022977B1 (ko) * | 2018-02-26 | 2019-09-19 | 엘에스산전 주식회사 | 인버터 제어장치 및 방법 |
DE102020200925A1 (de) * | 2020-01-27 | 2021-07-29 | Kuka Deutschland Gmbh | Verfahren zum Steuern wenigstens eines Servomotors, zugehörige Steuervorrichtung, Roboter und Computerprogrammprodukt |
KR102646734B1 (ko) * | 2020-11-26 | 2024-03-13 | 엘지이노텍 주식회사 | 직류/직류 컨버터 및 이의 제어 방법 |
EP4024072A1 (en) * | 2021-01-04 | 2022-07-06 | GE Energy Power Conversion Technology Ltd. | Electrical system testing processes |
FR3130099A1 (fr) * | 2021-12-08 | 2023-06-09 | Alstom Holdings | Dispositif électrique de conversion d’une tension et système d’alimentation associé |
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2017
- 2017-03-17 KR KR1020170033535A patent/KR102337700B1/ko active IP Right Grant
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2018
- 2018-03-06 ES ES18160195T patent/ES2930187T3/es active Active
- 2018-03-06 EP EP18160195.6A patent/EP3376652B1/en active Active
- 2018-03-09 JP JP2018043147A patent/JP6487085B2/ja not_active Expired - Fee Related
- 2018-03-13 US US15/919,707 patent/US10816601B2/en active Active
- 2018-03-15 CN CN201810213348.7A patent/CN108631275B/zh not_active Expired - Fee Related
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- 2020-09-21 US US17/026,965 patent/US11280835B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6149527U (ja) * | 1984-08-31 | 1986-04-03 | ||
JP2004289882A (ja) * | 2003-03-19 | 2004-10-14 | Daikin Ind Ltd | インバータの故障検出方法 |
JP2004357437A (ja) * | 2003-05-29 | 2004-12-16 | Toshiba Mitsubishi-Electric Industrial System Corp | 電力変換装置及びその故障診断方法 |
JP2008054398A (ja) * | 2006-08-23 | 2008-03-06 | Omron Corp | パワーコンディショナ装置 |
JP2013162719A (ja) * | 2012-02-08 | 2013-08-19 | Daikin Ind Ltd | 突入電流防止装置 |
JP2016123216A (ja) * | 2014-12-25 | 2016-07-07 | ダイキン工業株式会社 | インバータの故障検出方法およびインバータ検査装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200088968A (ko) * | 2019-01-16 | 2020-07-24 | 엘지전자 주식회사 | 모터 구동 장치 및 이를 구비하는 홈 어플라이언스 |
KR102201563B1 (ko) * | 2019-01-16 | 2021-01-11 | 엘지전자 주식회사 | 모터 구동 장치 및 이를 구비하는 홈 어플라이언스 |
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US11280835B2 (en) | 2022-03-22 |
EP3376652B1 (en) | 2022-09-28 |
EP3376652A2 (en) | 2018-09-19 |
US20210003636A1 (en) | 2021-01-07 |
CN108631275A (zh) | 2018-10-09 |
JP6487085B2 (ja) | 2019-03-20 |
EP3376652A3 (en) | 2018-10-31 |
CN108631275B (zh) | 2021-11-02 |
KR102337700B1 (ko) | 2021-12-08 |
KR20180106009A (ko) | 2018-10-01 |
ES2930187T3 (es) | 2022-12-07 |
US20180267104A1 (en) | 2018-09-20 |
US10816601B2 (en) | 2020-10-27 |
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