CA1292279C - Arrangement for measuring the slip of electric induction motors - Google Patents
Arrangement for measuring the slip of electric induction motorsInfo
- Publication number
- CA1292279C CA1292279C CA000579443A CA579443A CA1292279C CA 1292279 C CA1292279 C CA 1292279C CA 000579443 A CA000579443 A CA 000579443A CA 579443 A CA579443 A CA 579443A CA 1292279 C CA1292279 C CA 1292279C
- Authority
- CA
- Canada
- Prior art keywords
- slip
- motor
- filter
- coupled
- proportional
- 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
- 230000006698 induction Effects 0.000 title claims abstract description 16
- 230000007935 neutral effect Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003302 ferromagnetic material Substances 0.000 abstract description 2
- 230000005415 magnetization Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000306 component Substances 0.000 description 14
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP3734071.9 | 1987-10-08 | ||
DE19873734071 DE3734071A1 (de) | 1987-10-08 | 1987-10-08 | Anordnung zur messung des schlupfes elektrischer induktionsmaschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1292279C true CA1292279C (en) | 1991-11-19 |
Family
ID=6337909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000579443A Expired - Lifetime CA1292279C (en) | 1987-10-08 | 1988-10-06 | Arrangement for measuring the slip of electric induction motors |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0310892A1 (en]) |
JP (1) | JPH01123177A (en]) |
CA (1) | CA1292279C (en]) |
DE (1) | DE3734071A1 (en]) |
IN (1) | IN171001B (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2560559A (en) * | 2017-03-15 | 2018-09-19 | Zenith Oilfield Tech Limited | Methods and systems for monitoring the performance of electric motors |
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 |
RU2397505C1 (ru) * | 2009-07-22 | 2010-08-20 | Государственное образовательное учреждение высшего профессионального образования "Томский политехнический университет" | Способ определения скольжения ротора асинхронного электродвигателя |
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 - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2560559A (en) * | 2017-03-15 | 2018-09-19 | Zenith Oilfield Tech Limited | Methods and systems for monitoring the performance of electric motors |
Also Published As
Publication number | Publication date |
---|---|
JPH01123177A (ja) | 1989-05-16 |
DE3734071A1 (de) | 1989-04-20 |
IN171001B (en]) | 1992-06-27 |
EP0310892A1 (de) | 1989-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5477163A (en) | Turn fault detection | |
US5488281A (en) | Method and apparatus for predicting winding failure using zero crossing times | |
US5003252A (en) | Apparatus and method for measuring power factor and torque on the output of variable frequency drives | |
CA1078213A (en) | System for measurement torque and speed of rotating shaft | |
KR890001235B1 (ko) | 비틀림 진동을 갖는 동기기용 동적 안정기의 잡음 감소장치 및 방법 | |
EP0313367B1 (en) | Monitoring of exciter shaft torsional vibrations | |
US4495448A (en) | Means and method of sensing motor rotation speed from stray escaping flux | |
JPH0797009B2 (ja) | インダクタンス形変位センサ | |
CA1292279C (en) | Arrangement for measuring the slip of electric induction motors | |
US4890058A (en) | Arrangement for measuring the slip of electric induction motors | |
US6504358B1 (en) | Method for detecting the operating temperature of a motor | |
US4573012A (en) | Method and apparatus for measuring core loss of a laminated ferromagnetic structure | |
RU2180124C2 (ru) | Способ поиска элемента со сниженным сопротивлением изоляции в разветвленной электрической сети постоянного оперативного тока и устройство для его осуществления | |
Cristaldi et al. | Measuring equipment for the electric quantities at the terminals of an inverter-fed induction motor | |
SE422374B (sv) | Elektrisk filterutrustning | |
SU1176274A1 (ru) | Способ измерени относительного эксцентриситета электрической машины | |
JPH04324377A (ja) | 部分放電パルス検出装置 | |
SU907440A1 (ru) | Устройство дл измерени частоты вращени электрических машин | |
Morita | Air gap flux analysis for cage rotor diagnosis | |
SU1527598A1 (ru) | Способ контрол неравномерности воздушного зазора асинхронных двигателей с трехфазной статорной обмоткой | |
JPH0119106B2 (en]) | ||
SU955326A1 (ru) | Устройство дл измерени превышени температуры обмоток электрических машин | |
JP2896572B2 (ja) | 簡易絶縁抵抗測定方法 | |
SU1267536A1 (ru) | Электрическа машина | |
SU1065793A1 (ru) | Устройство дл диагностировани электродвигател |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |