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 means

Info

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
Application number
CA175,304A
Other versions
CA175304S (en
Inventor
Raymond G. Price
Frederick A. Stich
David L. Moore
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allis Chalmers Corp
Original Assignee
Allis Chalmers Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Allis Chalmers Corp filed Critical Allis Chalmers Corp
Application granted granted Critical
Publication of CA988583A publication Critical patent/CA988583A/en
Expired legal-status Critical Current

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)
CA175,304A 1972-12-22 1973-06-29 Variable time ratio control having power switch which does not require current equalizing means Expired CA988583A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978393A (en) * 1975-04-21 1976-08-31 Burroughs Corporation High efficiency switching regulator
US4309645A (en) * 1976-07-07 1982-01-05 Villeneuve Dail A De DC Motor speed controller
US4153853A (en) * 1976-07-07 1979-05-08 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

Also Published As

Publication number Publication date
FR2211797A1 (en) 1974-07-19
DE2364090B2 (en) 1977-05-05
DE2364090A1 (en) 1974-07-11
JPS5548601B2 (en) 1980-12-06
JPS4996253A (en) 1974-09-12
GB1448496A (en) 1976-09-08
US3803471A (en) 1974-04-09
FR2211797B1 (en) 1976-11-19

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