DE68918194D1 - Fehlerdetektor für Wechselstromgenerator. - Google Patents
Fehlerdetektor für Wechselstromgenerator.Info
- Publication number
- DE68918194D1 DE68918194D1 DE68918194T DE68918194T DE68918194D1 DE 68918194 D1 DE68918194 D1 DE 68918194D1 DE 68918194 T DE68918194 T DE 68918194T DE 68918194 T DE68918194 T DE 68918194T DE 68918194 D1 DE68918194 D1 DE 68918194D1
- Authority
- DE
- Germany
- Prior art keywords
- alternator
- fault detector
- fault
- detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H02H7/06—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 dynamo-electric generators; for synchronous capacitors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
- H02H3/253—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage for multiphase applications, e.g. phase interruption
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Generators And Motors (AREA)
- Locating Faults (AREA)
- Control Of Eletrric Generators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888817599A GB8817599D0 (en) | 1988-07-23 | 1988-07-23 | A c generator fault detector |
Publications (1)
Publication Number | Publication Date |
---|---|
DE68918194D1 true DE68918194D1 (de) | 1994-10-20 |
Family
ID=10641001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68918194T Expired - Lifetime DE68918194D1 (de) | 1988-07-23 | 1989-07-18 | Fehlerdetektor für Wechselstromgenerator. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5126678A (de) |
EP (1) | EP0352951B1 (de) |
JP (1) | JPH02133099A (de) |
DE (1) | DE68918194D1 (de) |
GB (1) | GB8817599D0 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5319514A (en) * | 1992-03-03 | 1994-06-07 | Voltage Control, Inc., A Montana Corporation | Digital voltage and phase monitor for AC power line |
US5270640A (en) * | 1992-04-23 | 1993-12-14 | The Penn State Research Foundation | Method for incipient failure detection in electric machines |
US5612601A (en) * | 1993-11-22 | 1997-03-18 | Martin Marietta Energy Systems, Inc. | Method for assessing motor insulation on operating motors |
US5949247A (en) * | 1996-05-23 | 1999-09-07 | Fremont/Dynamics Coporation Of America | Method and apparatus for automatically testing and evaluating electric generator sets |
US6611771B1 (en) * | 2000-10-04 | 2003-08-26 | Eaton Corporation | Method and apparatus to detect a stator turn fault in an AC motor |
JP4569153B2 (ja) * | 2004-04-14 | 2010-10-27 | 株式会社デンソー | 積層型圧電素子及び、その製造方法 |
DE102004028213A1 (de) * | 2004-06-09 | 2005-12-29 | Robert Bosch Gmbh | Generatorregler mit Diagnosefunktion für Halbleiterbauelemente |
US8227941B2 (en) * | 2009-07-23 | 2012-07-24 | C.E. Niehoff & Co. | System and method for generator phase signal monitoring and control |
US8283810B2 (en) | 2005-01-21 | 2012-10-09 | C.E. Niehoff & Co. | System and method for generator phase signal monitoring and control of electrical current distribution |
EP1819021B1 (de) * | 2006-02-14 | 2018-06-20 | Finder S.P.A. | Verfahren und Vorrichtung zur Überwachung eines mehrphasigen Netzes und zur Erkennung eines Phaseausfalles basierend auf dem Phasenwinkel zwischen verketteten Spannungen |
US8928269B2 (en) | 2012-12-20 | 2015-01-06 | Caterpillar Inc. | Power system having short circuit protection controller |
US9488698B2 (en) | 2014-11-20 | 2016-11-08 | Caterpillar Global Mining Equipment Llc | System and method for detecting diode failures |
JP2017163660A (ja) * | 2016-03-08 | 2017-09-14 | Ntn株式会社 | 風力発電システム |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE638540A (de) * | 1962-10-13 | |||
US3313984A (en) * | 1963-10-11 | 1967-04-11 | Gen Electric | Instantaneous multiphase undervoltage sensing circuit |
GB1172536A (en) * | 1966-08-31 | 1969-12-03 | English Electric Co Ltd | Improvements in Electrical Protective Relays |
GB1275560A (en) * | 1968-12-10 | 1972-05-24 | English Electric Co Ltd | Selector circuit for determining faults in polyphase transmission systems |
US3633072A (en) * | 1970-02-24 | 1972-01-04 | Lawrence N Duncan | Phase detection circuit |
US3654516A (en) * | 1971-04-07 | 1972-04-04 | Westinghouse Electric Corp | Change of current or voltage acutated protecting relay |
US3749944A (en) * | 1971-08-19 | 1973-07-31 | Westinghouse Electric Corp | Undervoltage sensing circuit |
US3848160A (en) * | 1973-05-21 | 1974-11-12 | Gen Electric Canada | Circuit for detecting phase unbalance in a three phase supply |
SU694968A1 (ru) * | 1975-06-12 | 1979-10-30 | Научно-исследовательский и экспериментальный институт автомобильного электрооборудования и автоприборов | Регул тор напр жени дл генератора переменного тока |
DE2833176A1 (de) * | 1978-07-28 | 1980-02-14 | Bosch Gmbh Robert | Verfahren zur funktionsueberpruefung eines selbsterregten drehstromgeneratorsystems eines kraftfahrzeuges im eingebauten und angeschlossenen zustand sowie einrichtung zur durchfuehrung des verfahrens |
US4333119A (en) * | 1980-04-28 | 1982-06-01 | Purex Corporation | Power monitor system |
US4419625A (en) * | 1980-12-05 | 1983-12-06 | La Telemecanique Electrique | Determining asynchronous motor couple |
US4724503A (en) * | 1985-03-01 | 1988-02-09 | Square D Company | Phase unbalance detector |
US4703387A (en) * | 1986-05-22 | 1987-10-27 | Franklin Electric Co., Inc. | Electric motor underload protection system |
US4751653A (en) * | 1986-08-25 | 1988-06-14 | American Standard Inc. | Fault detector for a three-phase alternating current supply |
JPH0191671A (ja) * | 1987-09-30 | 1989-04-11 | Toshiba Corp | 系統連系用インバータ装置 |
US4841404A (en) * | 1987-10-07 | 1989-06-20 | Spring Valley Associates, Inc. | Pump and electric motor protector |
-
1988
- 1988-07-23 GB GB888817599A patent/GB8817599D0/en active Pending
-
1989
- 1989-07-18 EP EP89307246A patent/EP0352951B1/de not_active Expired - Lifetime
- 1989-07-18 DE DE68918194T patent/DE68918194D1/de not_active Expired - Lifetime
- 1989-07-21 JP JP1190353A patent/JPH02133099A/ja active Pending
-
1991
- 1991-04-22 US US07/687,786 patent/US5126678A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH02133099A (ja) | 1990-05-22 |
GB8817599D0 (en) | 1988-09-01 |
US5126678A (en) | 1992-06-30 |
EP0352951A3 (de) | 1991-07-03 |
EP0352951B1 (de) | 1994-09-14 |
EP0352951A2 (de) | 1990-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |