FI44278B - - Google Patents
Info
- Publication number
- FI44278B FI44278B FI3336/68A FI333668A FI44278B FI 44278 B FI44278 B FI 44278B FI 3336/68 A FI3336/68 A FI 3336/68A FI 333668 A FI333668 A FI 333668A FI 44278 B FI44278 B FI 44278B
- Authority
- FI
- Finland
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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
- H02P27/026—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
- B66C13/23—Circuits for controlling the lowering of the load
- B66C13/26—Circuits for controlling the lowering of the load by ac motors
-
- 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
- H02P23/24—Controlling the direction, e.g. clockwise or counterclockwise
-
- 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
- H02P25/18—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 with arrangements for switching the windings, e.g. with mechanical switches or relays
- H02P25/20—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 with arrangements for switching the windings, e.g. with mechanical switches or relays for pole-changing
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
-
- 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
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor
- H02P3/24—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by applying dc to the motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/081—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists with ac motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Manufacture Of Motors, Generators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE16128/67A SE303362B (de) | 1967-11-24 | 1967-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI44278B true FI44278B (de) | 1971-06-30 |
FI44278C FI44278C (fi) | 1971-10-11 |
Family
ID=20301765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI683336A FI44278C (fi) | 1967-11-24 | 1968-11-21 | Nosturien ja sentapaisten käyttölaite |
Country Status (11)
Country | Link |
---|---|
US (1) | US3584278A (de) |
AT (1) | AT293679B (de) |
BE (1) | BE724203A (de) |
CH (1) | CH477357A (de) |
DE (1) | DE1809521A1 (de) |
FI (1) | FI44278C (de) |
FR (1) | FR1592690A (de) |
GB (1) | GB1238479A (de) |
NL (1) | NL6816248A (de) |
NO (1) | NO121012B (de) |
SE (1) | SE303362B (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1964376A1 (de) * | 1969-12-23 | 1971-07-01 | Schubert & Salzer Maschinen | Vorrichtung zum Sanfteinschalten einer elektrischen Last |
DE2652217C3 (de) * | 1976-11-16 | 1979-06-07 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung mit einer Teilwicklungsschaltung zum Verändern des Drehmomentes einer Asynchronmaschine |
JPS5373760A (en) * | 1976-12-03 | 1978-06-30 | Clarke Chapman Ltd | Vessel mooring winch apparatus |
DE2931930A1 (de) * | 1979-08-07 | 1981-02-26 | Zinser Textilmaschinen Gmbh | Verfahren zum abbremsen einer strecke und schnellaufende strecke |
DE3012588C2 (de) * | 1980-04-01 | 1983-09-08 | Schwank GmbH, 5000 Köln | Strahlungsbrenner, insbesondere für gasförmigen Brennstoff |
US4370605A (en) * | 1980-09-02 | 1983-01-25 | Westinghouse Electric Corp. | Two-speed motor control |
FR2517490A1 (fr) * | 1981-12-02 | 1983-06-03 | Mannesmann Ag | Moteur asynchrone a rotor en court-circuit et a commutation de poles |
FI872505A (fi) * | 1987-06-04 | 1988-12-05 | Kone Oy | Foerfarande och anordning foer styrning av en lyftmotor. |
DE4217303A1 (de) * | 1991-06-03 | 1992-12-10 | Siemens Ag | Luefteraggregat |
FR2697387B1 (fr) * | 1992-10-28 | 1994-12-16 | Pierre Bodet | Dispositif destiné à entretenir un mouvement alternatif ou pendulaire. |
US6242884B1 (en) * | 1998-03-24 | 2001-06-05 | Wisconsin Alumni Research Foundation | Dual stator winding induction machine drive |
US6710495B2 (en) | 2001-10-01 | 2004-03-23 | Wisconsin Alumni Research Foundation | Multi-phase electric motor with third harmonic current injection |
DE102014115529A1 (de) * | 2014-10-24 | 2016-05-12 | Beckhoff Automation Gmbh | Antrieb mit einer Sicherheitsbremse, Motorsteuerungssystem und Verfahren zum Betreiben eines Motorsteuerungssystems |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2793339A (en) * | 1956-05-09 | 1957-05-21 | Cline Electric Mfg Co | Multi-speed induction motor control systems |
US3368073A (en) * | 1965-10-01 | 1968-02-06 | Westinghouse Air Brake Co | Train speed control system |
US3408550A (en) * | 1966-01-11 | 1968-10-29 | Gen Motors Corp | Dynamic braking system for alternating current induction type motors |
US3430122A (en) * | 1966-04-15 | 1969-02-25 | Asea Ab | Drive system for an asynchronous electric motor |
US3391319A (en) * | 1967-02-23 | 1968-07-02 | Zyrotron Ind Inc | Control system for an alternating current motor |
-
1967
- 1967-11-24 SE SE16128/67A patent/SE303362B/xx unknown
-
1968
- 1968-11-14 NL NL6816248A patent/NL6816248A/xx unknown
- 1968-11-18 DE DE19681809521 patent/DE1809521A1/de active Pending
- 1968-11-20 BE BE724203D patent/BE724203A/xx unknown
- 1968-11-20 FR FR1592690D patent/FR1592690A/fr not_active Expired
- 1968-11-21 CH CH1748968A patent/CH477357A/de not_active IP Right Cessation
- 1968-11-21 FI FI683336A patent/FI44278C/fi active
- 1968-11-22 GB GB1238479D patent/GB1238479A/en not_active Expired
- 1968-11-22 NO NO4647/68A patent/NO121012B/no unknown
- 1968-11-22 AT AT1138268A patent/AT293679B/de active
- 1968-11-25 US US778717A patent/US3584278A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE724203A (de) | 1969-05-02 |
NL6816248A (de) | 1969-05-28 |
FR1592690A (de) | 1970-05-19 |
SE303362B (de) | 1968-08-26 |
CH477357A (de) | 1969-08-31 |
NO121012B (de) | 1971-01-04 |
DE1809521A1 (de) | 1969-08-14 |
FI44278C (fi) | 1971-10-11 |
US3584278A (en) | 1971-06-08 |
GB1238479A (de) | 1971-07-07 |
AT293679B (de) | 1971-10-25 |