CA988583A - Variable time ratio control having power switch which does not require current equalizing means - Google Patents
Variable time ratio control having power switch which does not require current equalizing meansInfo
- Publication number
- CA988583A CA988583A CA175,304A CA175304A CA988583A CA 988583 A CA988583 A CA 988583A CA 175304 A CA175304 A CA 175304A CA 988583 A CA988583 A CA 988583A
- Authority
- CA
- Canada
- Prior art keywords
- power switch
- ratio control
- variable time
- time ratio
- equalizing means
- 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
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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y10S388/907—Specific control circuit element or device
- Y10S388/921—Timer or time delay means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Dc-Dc Converters (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00317595A US3803471A (en) | 1972-12-22 | 1972-12-22 | Variable time ratio control having power switch which does not require current equalizing means |
Publications (1)
Publication Number | Publication Date |
---|---|
CA988583A true CA988583A (en) | 1976-05-04 |
Family
ID=23234397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA175,304A Expired CA988583A (en) | 1972-12-22 | 1973-06-29 | Variable time ratio control having power switch which does not require current equalizing means |
Country Status (5)
Country | Link |
---|---|
US (1) | US3803471A (en) |
JP (1) | JPS5548601B2 (en) |
CA (1) | CA988583A (en) |
FR (1) | FR2211797B1 (en) |
GB (1) | GB1448496A (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3978393A (en) * | 1975-04-21 | 1976-08-31 | Burroughs Corporation | High efficiency switching regulator |
US4153853A (en) * | 1976-07-07 | 1979-05-08 | Villeneuve Dail A De | DC motor speed controller |
US4309645A (en) * | 1976-07-07 | 1982-01-05 | Villeneuve Dail A De | DC Motor speed controller |
JPS5838066B2 (en) * | 1977-05-11 | 1983-08-20 | 株式会社日立製作所 | Transistor chopper control device |
JPS5940000B2 (en) * | 1977-11-14 | 1984-09-27 | 松下電器産業株式会社 | DC motor speed control device |
JPS6052673B2 (en) * | 1977-11-21 | 1985-11-20 | 日本電気株式会社 | motor speed control circuit |
JPS5579679A (en) * | 1978-12-08 | 1980-06-16 | Hitachi Ltd | Controller for transistor chopper |
US4360768A (en) * | 1979-01-22 | 1982-11-23 | International Business Machines Corporation | High current acceleration servomotor driver |
US4346343A (en) * | 1980-05-16 | 1982-08-24 | International Business Machines Corporation | Power control means for eliminating circuit to circuit delay differences and providing a desired circuit delay |
US4471276A (en) * | 1980-06-13 | 1984-09-11 | Stephen Cudlitz | Electric motor speed controller and method |
US4383216A (en) * | 1981-01-29 | 1983-05-10 | International Business Machines Corporation | AC Measurement means for use with power control means for eliminating circuit to circuit delay differences |
GB2167913B (en) * | 1982-03-25 | 1987-02-11 | Devitec Ltd | Hoists and hoisting systems |
GB2120869A (en) * | 1982-05-04 | 1983-12-07 | Gen Electric | Controlling the output level of an electrical power supply |
GB2137834A (en) * | 1983-03-31 | 1984-10-10 | Prutec Ltd | Control circuit for a motor |
US6812656B2 (en) * | 2002-02-27 | 2004-11-02 | Railpower Technologies Corp. | Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors |
US7255476B2 (en) * | 2004-04-14 | 2007-08-14 | International Business Machines Corporation | On chip temperature measuring and monitoring circuit and method |
-
1972
- 1972-12-22 US US00317595A patent/US3803471A/en not_active Expired - Lifetime
-
1973
- 1973-06-29 CA CA175,304A patent/CA988583A/en not_active Expired
- 1973-12-19 GB GB5876873A patent/GB1448496A/en not_active Expired
- 1973-12-21 FR FR7346056A patent/FR2211797B1/fr not_active Expired
- 1973-12-22 JP JP428874A patent/JPS5548601B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2364090A1 (en) | 1974-07-11 |
JPS5548601B2 (en) | 1980-12-06 |
FR2211797B1 (en) | 1976-11-19 |
FR2211797A1 (en) | 1974-07-19 |
JPS4996253A (en) | 1974-09-12 |
GB1448496A (en) | 1976-09-08 |
US3803471A (en) | 1974-04-09 |
DE2364090B2 (en) | 1977-05-05 |
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