ES548625A0 - Un aparato de vigilancia de un motor con campo magnetico - Google Patents
Un aparato de vigilancia de un motor con campo magneticoInfo
- Publication number
- ES548625A0 ES548625A0 ES548625A ES548625A ES548625A0 ES 548625 A0 ES548625 A0 ES 548625A0 ES 548625 A ES548625 A ES 548625A ES 548625 A ES548625 A ES 548625A ES 548625 A0 ES548625 A0 ES 548625A0
- Authority
- ES
- Spain
- Prior art keywords
- motor
- magnetic field
- surveillance device
- surveillance
- magnetic
- 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.)
- Granted
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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Electric Motors In General (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Measurement Of Current Or Voltage (AREA)
- Control Of Ac Motors In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848428199A GB8428199D0 (en) | 1984-11-08 | 1984-11-08 | Motor monitor signal analysis system |
Publications (2)
Publication Number | Publication Date |
---|---|
ES548625A0 true ES548625A0 (es) | 1987-04-01 |
ES8704640A1 ES8704640A1 (es) | 1987-04-01 |
Family
ID=10569423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES548625A Expired ES8704640A1 (es) | 1984-11-08 | 1985-11-07 | Un aparato de vigilancia de un motor con campo magnetico |
Country Status (5)
Country | Link |
---|---|
US (1) | US4678990A (es) |
EP (1) | EP0181775A1 (es) |
CA (1) | CA1232635A (es) |
ES (1) | ES8704640A1 (es) |
GB (1) | GB8428199D0 (es) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0240684B1 (de) * | 1986-03-10 | 1992-01-29 | Siemens Aktiengesellschaft | Einrichtung zum betriebsmässigen elektronischen Verarbeiten von Betriebsdaten eines Elektromotors |
US4890058A (en) * | 1987-10-03 | 1989-12-26 | Siemens Aktiengesellschaft | Arrangement for measuring the slip of electric induction motors |
DE3734071A1 (de) * | 1987-10-08 | 1989-04-20 | Siemens Ag | Anordnung zur messung des schlupfes elektrischer induktionsmaschinen |
US4978909A (en) * | 1988-11-14 | 1990-12-18 | Martin Marietta Energy Systems, Inc. | Demodulation circuit for AC motor current spectral analysis |
US5049815A (en) * | 1990-04-20 | 1991-09-17 | General Electric Company | Spectral analysis of induction motor current to detect rotor faults with reduced false alarms |
US5461329A (en) * | 1992-01-21 | 1995-10-24 | Martin Marietta Energy Systems, Inc. | Method and apparatus for generating motor current spectra to enhance motor system fault detection |
US5252915A (en) * | 1992-01-23 | 1993-10-12 | Ontario Hydro | Method and apparatus for detecting stator faults in rotary dynamoelectric machines |
US5418460A (en) * | 1992-07-21 | 1995-05-23 | Innovatum, Inc. | Compact triaxial AC magnetic field analyzer/dosimeter using swept bandpass filters |
US5519337A (en) * | 1993-11-04 | 1996-05-21 | Martin Marietta Energy Systems, Inc. | Motor monitoring method and apparatus using high frequency current components |
US5689194A (en) * | 1996-04-19 | 1997-11-18 | Framatome Technologies, Inc. | Acoustic motor current signature analysis system with audio amplified speaker output |
US6199023B1 (en) * | 1998-11-16 | 2001-03-06 | Geneal Electric Company | System for removing spurious signatures in motor current signature analysis |
EP3090269B1 (en) | 2013-12-30 | 2023-07-12 | ABB Schweiz AG | System for condition monitoring of electric machine, mobile phone and method thereof |
EP3839524A1 (en) * | 2019-12-16 | 2021-06-23 | E.On Se | Method, device and arrangement for monitoring alternating current electric apparatuses |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156846A (en) * | 1977-01-10 | 1979-05-29 | Westinghouse Electric Corp. | Detection of arcing faults in generator windings |
-
1984
- 1984-11-08 GB GB848428199A patent/GB8428199D0/en active Pending
-
1985
- 1985-11-05 US US06/795,197 patent/US4678990A/en not_active Expired - Fee Related
- 1985-11-07 ES ES548625A patent/ES8704640A1/es not_active Expired
- 1985-11-07 CA CA000494748A patent/CA1232635A/en not_active Expired
- 1985-11-08 EP EP85308170A patent/EP0181775A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA1232635A (en) | 1988-02-09 |
ES8704640A1 (es) | 1987-04-01 |
GB8428199D0 (en) | 1984-12-19 |
EP0181775A1 (en) | 1986-05-21 |
US4678990A (en) | 1987-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |
Effective date: 19960506 |