FI980790A - Method for measuring inverter fault currents and inverter with controlled semiconductor switches - Google Patents
Method for measuring inverter fault currents and inverter with controlled semiconductor switches Download PDFInfo
- Publication number
- FI980790A FI980790A FI980790A FI980790A FI980790A FI 980790 A FI980790 A FI 980790A FI 980790 A FI980790 A FI 980790A FI 980790 A FI980790 A FI 980790A FI 980790 A FI980790 A FI 980790A
- Authority
- FI
- Finland
- Prior art keywords
- inverter
- semiconductor switches
- measuring
- fault currents
- controlled semiconductor
- 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
- G01R31/40—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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
-
- 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
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Inverter Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK199501118A DK172562B1 (en) | 1995-10-06 | 1995-10-06 | Method of measuring fault currents in an inverter, as well as inverters with controlled semiconductor switches |
PCT/DK1996/000418 WO1997014205A1 (en) | 1995-10-06 | 1996-10-03 | Method for measuring fault currents in an inverter and inverter with controlled semiconductor switches |
Publications (2)
Publication Number | Publication Date |
---|---|
FI980790A true FI980790A (en) | 1998-04-06 |
FI980790A0 FI980790A0 (en) | 1998-04-06 |
Family
ID=8101220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI980790A FI980790A0 (en) | 1995-10-06 | 1998-04-06 | Procedure for measuring fault currents in an inverter and inverter with controlled semiconductor switch |
Country Status (6)
Country | Link |
---|---|
CN (1) | CN1198849A (en) |
AU (1) | AU7126196A (en) |
DK (1) | DK172562B1 (en) |
FI (1) | FI980790A0 (en) |
GB (1) | GB2320625B (en) |
WO (1) | WO1997014205A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6456946B1 (en) * | 2000-02-25 | 2002-09-24 | Motorola, Inc. | System and method for motor fault detection |
DE10236377A1 (en) * | 2002-08-02 | 2004-02-12 | Dr. Johannes Heidenhain Gmbh | Error detection method in a drive device |
DE10320926A1 (en) * | 2003-05-09 | 2004-12-16 | Siemens Ag | Procedure and arrangement for testing a final power stage |
DE10322195A1 (en) * | 2003-05-16 | 2004-12-09 | Siemens Ag | Procedure for monitoring a power output stage |
EP1498739B1 (en) * | 2003-07-12 | 2006-04-05 | Liaisons Electroniques-Mecaniques Lem S.A. | Current sensor having a magnetic core with airgap and power supply circuit provided with such sensors |
WO2008086973A1 (en) * | 2007-01-16 | 2008-07-24 | Basf Se | Production of superabsorbent polymers on a continuous belt reactor |
RU2430461C2 (en) * | 2007-03-13 | 2011-09-27 | Сименс Акциенгезелльшафт | Method of limiting failure of current rectifier with power semiconductor devices at short-circuit in constant voltage intermediate circuit |
FI124174B (en) * | 2010-05-03 | 2014-04-15 | Vacon Oyj | Measurement of earth fault current |
JP5406146B2 (en) | 2010-08-31 | 2014-02-05 | 日立オートモティブシステムズ株式会社 | Overcurrent detection device and overcurrent detection method for electric drive control device |
JP5716394B2 (en) * | 2010-12-28 | 2015-05-13 | 株式会社リコー | High voltage inverter device and leakage detecting device thereof |
DE102014201500A1 (en) * | 2014-01-28 | 2015-07-30 | Dr. Johannes Heidenhain Gmbh | Method for diagnosing a converter |
CN105067940A (en) * | 2015-08-06 | 2015-11-18 | 株洲南车时代电气股份有限公司 | Grounding diagnostic method for main loop of locomotive traction converter |
CN105487018B (en) * | 2015-11-19 | 2018-06-26 | 北京金风科创风电设备有限公司 | Testing device, electric inverse cutting cabinet and testing system of converter |
GB2556946A (en) * | 2016-11-29 | 2018-06-13 | Bombardier Primove Gmbh | A method and a device for determining a switching current of a converter and a method of control |
CN106771777B (en) * | 2017-01-20 | 2023-02-24 | 江苏恒力化纤股份有限公司 | Inverter driving signal detection device of frequency converter |
CN112924769B (en) * | 2019-12-06 | 2024-05-24 | 金风科技股份有限公司 | Fault detection method and device for converter and computer equipment |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793379A (en) * | 1971-12-29 | 1973-06-27 | Italiana Comp | HIGH-POWER STATIC INVERTER WITH INTRINSICALLY PROTECTED AGAINST SHORT-CIRCUITS |
DE4128961C1 (en) * | 1991-08-29 | 1992-08-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De | Detecting short circuit to earth in pulse inverter - using square wave HF voltage source in evaluation circuit to operate protection circuit when toroidal transformer saturates |
-
1995
- 1995-10-06 DK DK199501118A patent/DK172562B1/en not_active IP Right Cessation
-
1996
- 1996-10-03 GB GB9807069A patent/GB2320625B/en not_active Expired - Fee Related
- 1996-10-03 WO PCT/DK1996/000418 patent/WO1997014205A1/en active Application Filing
- 1996-10-03 CN CN96197455A patent/CN1198849A/en active Pending
- 1996-10-03 AU AU71261/96A patent/AU7126196A/en not_active Abandoned
-
1998
- 1998-04-06 FI FI980790A patent/FI980790A0/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB2320625A (en) | 1998-06-24 |
GB9807069D0 (en) | 1998-06-03 |
GB2320625B (en) | 2000-02-02 |
WO1997014205A1 (en) | 1997-04-17 |
CN1198849A (en) | 1998-11-11 |
DK111895A (en) | 1997-04-07 |
AU7126196A (en) | 1997-04-30 |
DK172562B1 (en) | 1999-01-18 |
FI980790A0 (en) | 1998-04-06 |
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