IT8119840A0 - Alimentatore di energia elettrica a corrente continua a tensione variabile e relativo sistema di controllo della velocita' di un motore elettrico. - Google Patents
Alimentatore di energia elettrica a corrente continua a tensione variabile e relativo sistema di controllo della velocita' di un motore elettrico.Info
- Publication number
- IT8119840A0 IT8119840A0 IT8119840A IT1984081A IT8119840A0 IT 8119840 A0 IT8119840 A0 IT 8119840A0 IT 8119840 A IT8119840 A IT 8119840A IT 1984081 A IT1984081 A IT 1984081A IT 8119840 A0 IT8119840 A0 IT 8119840A0
- Authority
- IT
- Italy
- Prior art keywords
- power supply
- control system
- electric motor
- direct current
- speed control
- Prior art date
Links
- 230000005611 electricity Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/06—Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S388/00—Electricity: motor control systems
- Y10S388/923—Specific feedback condition or device
- Y10S388/934—Thermal condition
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/122,189 US4330818A (en) | 1980-02-19 | 1980-02-19 | Variable voltage direct current power supply and motor speed control |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8119840A0 true IT8119840A0 (it) | 1981-02-19 |
IT1135528B IT1135528B (it) | 1986-08-27 |
Family
ID=22401209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19840/81A IT1135528B (it) | 1980-02-19 | 1981-02-19 | Alimentatore di energia elettrica a corrente continua a tensione variabile e relativo sistema di controllo della velocita' di un motore elettrico |
Country Status (5)
Country | Link |
---|---|
US (1) | US4330818A (it) |
CA (1) | CA1157091A (it) |
CH (1) | CH648708A5 (it) |
DE (1) | DE3105636A1 (it) |
IT (1) | IT1135528B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4390822A (en) * | 1981-07-31 | 1983-06-28 | Bernard Wechsler | Ratio control system |
DE3222264A1 (de) * | 1982-06-09 | 1983-12-15 | Schering AG, 1000 Berlin und 4709 Bergkamen | Vorrichtung zur feineinstellung der ausgangsspannung von drehstromstelltransformatoren und deren verwendung |
GB8528501D0 (en) * | 1985-11-19 | 1985-12-24 | Lucas Ind Plc | Switching rectified alternating current |
US4673850A (en) * | 1986-07-14 | 1987-06-16 | York International Corp. | Universal motor control system |
US4947053A (en) * | 1986-08-15 | 1990-08-07 | General Motors Corporation | High DC voltage power supply for motor vehicle electrical system |
US4780619A (en) * | 1986-08-15 | 1988-10-25 | General Motors Corporation | High DC voltage power supply for motor vehicle electrical system |
US4748341A (en) * | 1987-03-24 | 1988-05-31 | Rte Deltec Corporation | Uninterruptible power supply |
US4866591A (en) * | 1988-08-26 | 1989-09-12 | Sundstrand Corporation | Regulated transformer rectifier unit |
US4924371A (en) * | 1989-07-10 | 1990-05-08 | General Electric Company | Rectifier circuit provoding compression of the dynamic range of the output voltage |
JPH09171325A (ja) * | 1995-12-19 | 1997-06-30 | Minolta Co Ltd | 誘導加熱定着装置 |
US5844402A (en) * | 1996-06-27 | 1998-12-01 | Hubbell Incorporated | In-line buck/boost voltage-regulation systems and apparatus |
US6498736B1 (en) | 2001-03-27 | 2002-12-24 | Baldor Electric Company | Harmonic filter with low cost magnetics |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR910298A (fr) * | 1944-04-27 | 1946-06-03 | Perfectionnements aux commutateurs | |
US2926295A (en) * | 1957-01-07 | 1960-02-23 | Hobart Mfg Co | Pulsing motor system |
US2967270A (en) * | 1958-01-27 | 1961-01-03 | Koppers Co Inc | Direct current motor control |
US3089074A (en) * | 1960-03-18 | 1963-05-07 | Superior Electric Co | Adjustable voltage rectifier |
US3154731A (en) * | 1961-05-17 | 1964-10-27 | American Machinery & Foundry C | Speed control system for dynamo electric machine |
DE1277437B (de) * | 1964-01-23 | 1968-09-12 | C K D Praha Narodni Podnik | Schaltungsanordnung zur Umschaltung der Anzapfungen von Stufentransformatoren mit nachgeschaltetem Halbleitergleichrichter in Einphasen-Brueckenschaltung |
US3820002A (en) * | 1970-02-24 | 1974-06-25 | Volt Quebec Lab | Non-saturating ac/dc power supply |
US3663828A (en) * | 1970-10-20 | 1972-05-16 | Nasa | Failsafe multiple transformer circuit configuration |
US3921055A (en) * | 1972-10-19 | 1975-11-18 | Union Carbide Corp | Welding power supply having dual output transformer |
US4045708A (en) * | 1975-08-28 | 1977-08-30 | General Electric Company | Discharge lamp ballast circuit |
US4189672A (en) * | 1978-03-27 | 1980-02-19 | Peschel Stanley G | Variable transformer method and apparatus for preventing short-circuit current flow |
-
1980
- 1980-02-19 US US06/122,189 patent/US4330818A/en not_active Expired - Lifetime
-
1981
- 1981-02-17 DE DE19813105636 patent/DE3105636A1/de active Granted
- 1981-02-19 CH CH1116/81A patent/CH648708A5/fr not_active IP Right Cessation
- 1981-02-19 IT IT19840/81A patent/IT1135528B/it active
- 1981-02-19 CA CA000371284A patent/CA1157091A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1135528B (it) | 1986-08-27 |
CH648708A5 (fr) | 1985-03-29 |
CA1157091A (en) | 1983-11-15 |
US4330818A (en) | 1982-05-18 |
DE3105636C2 (it) | 1991-07-04 |
DE3105636A1 (de) | 1982-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970305 |