JPS5788889A - Speed control system for dc motor - Google Patents

Speed control system for dc motor

Info

Publication number
JPS5788889A
JPS5788889A JP55163777A JP16377780A JPS5788889A JP S5788889 A JPS5788889 A JP S5788889A JP 55163777 A JP55163777 A JP 55163777A JP 16377780 A JP16377780 A JP 16377780A JP S5788889 A JPS5788889 A JP S5788889A
Authority
JP
Japan
Prior art keywords
motor
speed
terminal voltage
current
armature
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.)
Pending
Application number
JP55163777A
Other languages
Japanese (ja)
Inventor
Masaharu Mizuta
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP55163777A priority Critical patent/JPS5788889A/en
Publication of JPS5788889A publication Critical patent/JPS5788889A/en
Pending 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
    • H02P7/292—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 static converters, e.g. AC to DC
    • H02P7/295—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 static converters, e.g. AC to DC of the kind having one thyristor or the like in series with the power supply and the motor
    • 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
    • H02P2203/00—Indexing scheme relating to controlling arrangements characterised by the means for detecting the position of the rotor
    • H02P2203/09—Motor speed determination based on the current and/or voltage without using a tachogenerator or a physical encoder

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE:To obtain an accurate and rapid characteristics of a motor for setting various speeds and against the disturbance by automatically controlling the speed reference value with a signal based on the fundamental formula of a motor at the armature current and terminal voltage. CONSTITUTION:An arithmetic unit 13 introduces an armature current Ia, a terminal voltage V via a current transformer 4 and a transformer 12 from the circuit of a motor 3, thereby calculates the fundamental formula K1(V-IaRa)/phi of the motor, where K1 represents a constant, V terminal voltage, Ia motor current, Ra armature resistance, phi magnetic flux. A current transformer 61 receives a deviation between the speed reference 1 and the rotating speed detection signal and outputs a speed reference value as a reference. A converter 15 receives the second speed deviation between the reference speed and the feedback value from the arithmetic unit 13 and outputs an armature terminal voltage reference.
JP55163777A 1980-11-19 1980-11-19 Speed control system for dc motor Pending JPS5788889A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55163777A JPS5788889A (en) 1980-11-19 1980-11-19 Speed control system for dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55163777A JPS5788889A (en) 1980-11-19 1980-11-19 Speed control system for dc motor

Publications (1)

Publication Number Publication Date
JPS5788889A true JPS5788889A (en) 1982-06-02

Family

ID=15780514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55163777A Pending JPS5788889A (en) 1980-11-19 1980-11-19 Speed control system for dc motor

Country Status (1)

Country Link
JP (1) JPS5788889A (en)

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