IN169597B - - Google Patents
Info
- Publication number
- IN169597B IN169597B IN438/CAL/88A IN438CA1988A IN169597B IN 169597 B IN169597 B IN 169597B IN 438CA1988 A IN438CA1988 A IN 438CA1988A IN 169597 B IN169597 B IN 169597B
- 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
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
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- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/22—Multiple windings; Windings for more than three phases
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87603186A | 1986-06-19 | 1986-06-19 | |
| US07/282,902 US4873478A (en) | 1986-06-19 | 1988-12-12 | Method and apparatus for controlling an alternating current motor particularly at low speeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN169597B true IN169597B (es) | 1991-11-16 |
Family
ID=26961739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN438/CAL/88A IN169597B (es) | 1986-06-19 | 1988-05-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4873478A (es) |
| EP (1) | EP0344370B1 (es) |
| DE (1) | DE3875962T2 (es) |
| IN (1) | IN169597B (es) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5294875A (en) * | 1989-05-25 | 1994-03-15 | Otis Elevator Company | Enhanced polyphase motor operation using a solid state inverter |
| US4968925A (en) * | 1989-08-07 | 1990-11-06 | General Electric Company | Universal field-oriented controller |
| SE503106C2 (sv) * | 1994-07-01 | 1996-03-25 | Asea Brown Boveri | Lastkommuterad synkronmotordrift |
| US5572916A (en) * | 1994-10-20 | 1996-11-12 | Hitachi Koki Haramachi Co., Ltd. | Desk-top cutting machine |
| US5751585A (en) * | 1995-03-20 | 1998-05-12 | Electro Scientific Industries, Inc. | High speed, high accuracy multi-stage tool positioning system |
| US5847960A (en) * | 1995-03-20 | 1998-12-08 | Electro Scientific Industries, Inc. | Multi-tool positioning system |
| JP2000133533A (ja) * | 1998-10-28 | 2000-05-12 | Toshiba Corp | サイクロコンバータ用変圧器 |
| FI113106B (fi) * | 2001-06-14 | 2004-02-27 | Abb Oy | Menetelmä vaihtosuuntaajan kytkemiseksi vaihtojännitteeseen |
| DE102006031453A1 (de) * | 2006-07-07 | 2008-01-17 | Festo Ag & Co. | Elektrischer Motor und Verfahren |
| WO2008094357A2 (en) * | 2007-01-29 | 2008-08-07 | Sumitomo Heavy Industries, Ltd. | Expander speed control |
| JP4580023B2 (ja) | 2009-03-02 | 2010-11-10 | ファナック株式会社 | 複数の巻線を備えたモータを駆動するモータ駆動システム |
| US9919903B2 (en) * | 2014-03-13 | 2018-03-20 | Nabors Drilling Technologies Usa, Inc. | Multi-speed electric motor |
| WO2016174971A1 (ja) * | 2015-04-27 | 2016-11-03 | 日立工機株式会社 | 電動工具 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492928B1 (es) * | 1969-11-25 | 1974-01-23 | ||
| US3991354A (en) * | 1975-05-29 | 1976-11-09 | Westinghouse Electric Corporation | Variable speed drive for induction motor |
| US4449087A (en) * | 1981-12-23 | 1984-05-15 | General Electric Company | Flux feedback firing control for a load commutated inverter |
| US4443747A (en) * | 1982-04-01 | 1984-04-17 | General Electric Company | Transitioning between multiple modes of inverter control in a load commutated inverter motor drive |
| US4426611A (en) * | 1982-04-28 | 1984-01-17 | General Electric Company | Twelve pulse load commutated inverter drive system |
| US4488101A (en) * | 1982-12-23 | 1984-12-11 | Borg-Warner Corporation | Starting system for chopper controlled motor-commutated thyristor inverter |
| US4565953A (en) * | 1984-07-02 | 1986-01-21 | General Electric Company | Twelve pulse AC motor drive |
| US4600874A (en) * | 1985-01-26 | 1986-07-15 | General Electric Company | Excitation current control for induction motor drive using load commutated inverter circuit |
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1988
- 1988-05-30 IN IN438/CAL/88A patent/IN169597B/en unknown
- 1988-05-31 DE DE8888304953T patent/DE3875962T2/de not_active Expired - Fee Related
- 1988-05-31 EP EP88304953A patent/EP0344370B1/en not_active Expired
- 1988-12-12 US US07/282,902 patent/US4873478A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0344370B1 (en) | 1992-11-11 |
| DE3875962D1 (de) | 1992-12-17 |
| EP0344370A1 (en) | 1989-12-06 |
| DE3875962T2 (de) | 1993-03-18 |
| US4873478A (en) | 1989-10-10 |