IN171001B - - Google Patents
Info
- Publication number
- IN171001B IN171001B IN814/CAL/88A IN814CA1988A IN171001B IN 171001 B IN171001 B IN 171001B IN 814CA1988 A IN814CA1988 A IN 814CA1988A IN 171001 B IN171001 B IN 171001B
- Authority
- IN
- India
Links
Classifications
-
- 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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency
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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
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873734071 DE3734071A1 (de) | 1987-10-08 | 1987-10-08 | Anordnung zur messung des schlupfes elektrischer induktionsmaschinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN171001B true IN171001B (sl) | 1992-06-27 |
Family
ID=6337909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN814/CAL/88A IN171001B (sl) | 1987-10-08 | 1988-10-03 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0310892A1 (sl) |
| JP (1) | JPH01123177A (sl) |
| CA (1) | CA1292279C (sl) |
| DE (1) | DE3734071A1 (sl) |
| IN (1) | IN171001B (sl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653913A1 (de) * | 1996-12-21 | 1998-06-25 | Schenck Process Gmbh | Verfahren zur Feststellung von Schäden an Rotoren von Asynchronmaschinen und Vorrichtung zur Durchführung des Verfahrens |
| GB2560559A (en) * | 2017-03-15 | 2018-09-19 | Zenith Oilfield Tech Limited | Methods and systems for monitoring the performance of electric motors |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH449770A (de) * | 1967-01-06 | 1968-01-15 | Bbc Brown Boveri & Cie | Einrichtung zur Messung des Schlupfes von Asynchronmaschinen |
| DE3234683A1 (de) * | 1982-09-18 | 1984-03-22 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur messung der drehzahl eines gleichstrommotors |
| US4527101A (en) * | 1983-11-23 | 1985-07-02 | Black & Decker Inc. | Universal electric motor speed sensing by using Fourier transform method |
| US4562396A (en) * | 1984-07-02 | 1985-12-31 | General Electric Company | Phase-locked loop control of an induction motor drive |
| GB8428199D0 (en) * | 1984-11-08 | 1984-12-19 | Adwel Ltd | Motor monitor signal analysis system |
-
1987
- 1987-10-08 DE DE19873734071 patent/DE3734071A1/de not_active Withdrawn
-
1988
- 1988-09-23 EP EP88115715A patent/EP0310892A1/de not_active Withdrawn
- 1988-10-03 IN IN814/CAL/88A patent/IN171001B/en unknown
- 1988-10-05 JP JP63252865A patent/JPH01123177A/ja active Pending
- 1988-10-06 CA CA000579443A patent/CA1292279C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA1292279C (en) | 1991-11-19 |
| DE3734071A1 (de) | 1989-04-20 |
| JPH01123177A (ja) | 1989-05-16 |
| EP0310892A1 (de) | 1989-04-12 |