FR2011110A1 - - Google Patents

Info

Publication number
FR2011110A1
FR2011110A1 FR6920163A FR6920163A FR2011110A1 FR 2011110 A1 FR2011110 A1 FR 2011110A1 FR 6920163 A FR6920163 A FR 6920163A FR 6920163 A FR6920163 A FR 6920163A FR 2011110 A1 FR2011110 A1 FR 2011110A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6920163A
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.)
Cutler Hammer Inc
Original Assignee
Cutler Hammer Inc
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 Cutler Hammer Inc filed Critical Cutler Hammer Inc
Publication of FR2011110A1 publication Critical patent/FR2011110A1/fr
Withdrawn legal-status Critical Current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
    • H02P7/281—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 the DC motor being operated in four quadrants
    • 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
    • B66C13/24—Circuits for controlling the lowering of the load by dc motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
FR6920163A 1968-06-17 1969-06-17 Withdrawn FR2011110A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73770968A 1968-06-17 1968-06-17

Publications (1)

Publication Number Publication Date
FR2011110A1 true FR2011110A1 (fr) 1970-02-27

Family

ID=24964982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6920163A Withdrawn FR2011110A1 (fr) 1968-06-17 1969-06-17

Country Status (3)

Country Link
US (1) US3551771A (fr)
DE (1) DE1930560A1 (fr)
FR (1) FR2011110A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875281A (en) * 1997-07-24 1999-02-23 Cableform, Inc. DC solid state series wound motor drive
US6710574B2 (en) 2001-09-21 2004-03-23 Eaton Corporation Reversible DC motor drive including a DC/DC converter and four quadrant DC/DC controller

Also Published As

Publication number Publication date
DE1930560A1 (de) 1970-01-22
US3551771A (en) 1970-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse