JPS57156695A - Controller for dc motor - Google Patents

Controller for dc motor

Info

Publication number
JPS57156695A
JPS57156695A JP56041061A JP4106181A JPS57156695A JP S57156695 A JPS57156695 A JP S57156695A JP 56041061 A JP56041061 A JP 56041061A JP 4106181 A JP4106181 A JP 4106181A JP S57156695 A JPS57156695 A JP S57156695A
Authority
JP
Japan
Prior art keywords
low speed
motor
auxiliary system
thyristor
series circuit
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.)
Granted
Application number
JP56041061A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0127678B2 (cs
Inventor
Mitsuyoshi Iwasaki
Toshio Yoshida
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.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
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 Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Priority to JP56041061A priority Critical patent/JPS57156695A/ja
Publication of JPS57156695A publication Critical patent/JPS57156695A/ja
Publication of JPH0127678B2 publication Critical patent/JPH0127678B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/008—Skew rolling stands, e.g. for rolling rounds
    • 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
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/46—Roll speed or drive motor control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control Of Multiple Motors (AREA)
JP56041061A 1981-03-20 1981-03-20 Controller for dc motor Granted JPS57156695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56041061A JPS57156695A (en) 1981-03-20 1981-03-20 Controller for dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56041061A JPS57156695A (en) 1981-03-20 1981-03-20 Controller for dc motor

Publications (2)

Publication Number Publication Date
JPS57156695A true JPS57156695A (en) 1982-09-28
JPH0127678B2 JPH0127678B2 (cs) 1989-05-30

Family

ID=12597902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56041061A Granted JPS57156695A (en) 1981-03-20 1981-03-20 Controller for dc motor

Country Status (1)

Country Link
JP (1) JPS57156695A (cs)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336031U (cs) * 1976-09-02 1978-03-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5336031U (cs) * 1976-09-02 1978-03-30

Also Published As

Publication number Publication date
JPH0127678B2 (cs) 1989-05-30

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