FI20105479A - Maasulkuvirran mittaaminen - Google Patents
Maasulkuvirran mittaaminen Download PDFInfo
- Publication number
- FI20105479A FI20105479A FI20105479A FI20105479A FI20105479A FI 20105479 A FI20105479 A FI 20105479A FI 20105479 A FI20105479 A FI 20105479A FI 20105479 A FI20105479 A FI 20105479A FI 20105479 A FI20105479 A FI 20105479A
- Authority
- FI
- Finland
- Prior art keywords
- earth fault
- current
- inverter
- fault current
- current voltage
- Prior art date
Links
Classifications
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- 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
-
- 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
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- 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
-
- 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
- H02M7/539—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 with automatic control of output wave form or frequency
- H02M7/5395—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 with automatic control of output wave form or frequency by pulse-width modulation
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20105479A FI124174B (fi) | 2010-05-03 | 2010-05-03 | Maasulkuvirran mittaaminen |
EP11162364.1A EP2385384B1 (en) | 2010-05-03 | 2011-04-14 | The measuring of earth fault current |
US13/088,979 US8645087B2 (en) | 2010-05-03 | 2011-04-18 | Measuring of earth fault current |
CN2011101162090A CN102288801A (zh) | 2010-05-03 | 2011-05-03 | 接地故障电流的测量 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20105479 | 2010-05-03 | ||
FI20105479A FI124174B (fi) | 2010-05-03 | 2010-05-03 | Maasulkuvirran mittaaminen |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20105479A0 FI20105479A0 (fi) | 2010-05-03 |
FI20105479A true FI20105479A (fi) | 2011-11-04 |
FI124174B FI124174B (fi) | 2014-04-15 |
Family
ID=42234264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20105479A FI124174B (fi) | 2010-05-03 | 2010-05-03 | Maasulkuvirran mittaaminen |
Country Status (4)
Country | Link |
---|---|
US (1) | US8645087B2 (fi) |
EP (1) | EP2385384B1 (fi) |
CN (1) | CN102288801A (fi) |
FI (1) | FI124174B (fi) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2309282B1 (de) * | 2009-08-11 | 2019-12-11 | Diehl AKO Stiftung & Co. KG | Verfahren zur Fehlererkennung bei der Ansteuerung eines Drehfeldmotors |
EP2568560B1 (de) * | 2011-09-07 | 2014-12-31 | Siemens Aktiengesellschaft | Frequenzumrichter sowie Verfahren zum Erkennen und Blockieren eines Fehlerstroms in einem Frequenzumrichter |
EP2923213B1 (de) * | 2012-11-21 | 2016-11-02 | SMA Solar Technology AG | Isolationsmessverfahren für trafolose wechselrichter |
US9595889B2 (en) * | 2013-02-15 | 2017-03-14 | Eaton Corporation | System and method for single-phase and three-phase current determination in power converters and inverters |
CN105144565B (zh) * | 2013-02-20 | 2017-12-29 | Trw有限公司 | 电机控制电路和监视电机的方法 |
TWI539169B (zh) * | 2014-04-08 | 2016-06-21 | Univ Kao Yuan | High Sensitivity Non - grounded DC Power Supply Insulation Resistance Detection Method and Its Circuit |
JP6302727B2 (ja) | 2014-04-10 | 2018-03-28 | 日立オートモティブシステムズ株式会社 | 電動モータの制御装置 |
US10116351B2 (en) * | 2015-01-20 | 2018-10-30 | Semiconductor Components Industries, Llc | Pollution detection circuit for data lines and method thereof |
CN104635086A (zh) * | 2015-02-06 | 2015-05-20 | 海盐凌云威电子有限公司 | 一种电网线路故障指示器控制电路 |
JP6673124B2 (ja) * | 2016-09-29 | 2020-03-25 | ブラザー工業株式会社 | モータ駆動装置、コンピュータプログラム及びモータ駆動装置の動作方法 |
TWI648546B (zh) | 2016-11-25 | 2019-01-21 | 財團法人工業技術研究院 | 用於功率模組的診斷電路與方法 |
JP2018148693A (ja) * | 2017-03-06 | 2018-09-20 | 日立オートモティブシステムズ株式会社 | 電動モータの駆動制御装置 |
CN109188177B (zh) * | 2018-10-01 | 2023-12-19 | 江苏国传电气有限公司 | 一种大功率npc三电平逆变器短路电流在线检测系统 |
US11837964B2 (en) | 2019-04-10 | 2023-12-05 | Danfoss Power Electronics A/S | Method for detecting low impedance condition at output of electrical converter, control unit, computer program product and electrical converter |
KR102138360B1 (ko) * | 2019-04-11 | 2020-07-27 | 엘에스일렉트릭(주) | 출력지락 검출이 가능한 인버터 시스템과 이를 이용한 출력지락 검출 방법 |
CN114257109B (zh) * | 2021-12-21 | 2023-07-14 | 郑州轻工业大学 | 一种npc变换器电流传感器故障模型预测控制方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04210779A (ja) * | 1990-12-14 | 1992-07-31 | Mitsubishi Electric Corp | インバータ装置の地絡検出器及び地絡検出方法 |
US5309349A (en) | 1992-09-22 | 1994-05-03 | Industrial Technology Research Institute | Current detection method for DC to three-phase converters using a single DC sensor |
DK172562B1 (da) * | 1995-10-06 | 1999-01-18 | Danfoss As | Fremgangsmåde ved måling af fejlstrømme i en vekselretter, samt vekselretter med styrede halvlederswitche |
US5768079A (en) * | 1996-09-25 | 1998-06-16 | Cooper Industries, Inc. | Adaptive ground and phase fault detection for a power distribution system |
US6735537B2 (en) * | 2002-03-15 | 2004-05-11 | Motorola, Inc. | Procedure for measuring the current in each phase of a three-phase device via single current sensor |
KR100566437B1 (ko) * | 2003-11-11 | 2006-03-31 | 엘에스산전 주식회사 | 위상천이를 이용한 인버터 고장 검출 장치 및 방법 |
FI119212B (fi) * | 2006-12-14 | 2008-08-29 | Abb Oy | Taajuusmuuttajan maasulkusuojaus |
DE102008001025A1 (de) | 2008-04-07 | 2009-10-08 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Strommessung in Phasenleitungen |
-
2010
- 2010-05-03 FI FI20105479A patent/FI124174B/fi not_active IP Right Cessation
-
2011
- 2011-04-14 EP EP11162364.1A patent/EP2385384B1/en not_active Not-in-force
- 2011-04-18 US US13/088,979 patent/US8645087B2/en not_active Expired - Fee Related
- 2011-05-03 CN CN2011101162090A patent/CN102288801A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN102288801A (zh) | 2011-12-21 |
EP2385384A1 (en) | 2011-11-09 |
US20110270545A1 (en) | 2011-11-03 |
FI124174B (fi) | 2014-04-15 |
FI20105479A0 (fi) | 2010-05-03 |
EP2385384B1 (en) | 2018-08-22 |
US8645087B2 (en) | 2014-02-04 |
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Legal Events
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FG | Patent granted |
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