JPS563595A - Control system of induction motor - Google Patents

Control system of induction motor

Info

Publication number
JPS563595A
JPS563595A JP7682279A JP7682279A JPS563595A JP S563595 A JPS563595 A JP S563595A JP 7682279 A JP7682279 A JP 7682279A JP 7682279 A JP7682279 A JP 7682279A JP S563595 A JPS563595 A JP S563595A
Authority
JP
Japan
Prior art keywords
voltage
slip frequency
secondary resistance
control circuit
voltage control
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
JP7682279A
Other languages
Japanese (ja)
Other versions
JPS6226271B2 (en
Inventor
Hiroshi Nagase
Toshiaki Okuyama
Yuzuru Kubota
Katsunori Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7682279A priority Critical patent/JPS563595A/en
Priority to US06/158,390 priority patent/US4330741A/en
Priority to DE3023135A priority patent/DE3023135C2/en
Publication of JPS563595A publication Critical patent/JPS563595A/en
Publication of JPS6226271B2 publication Critical patent/JPS6226271B2/ja
Granted 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/045—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/048—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using AC supply for only the rotor circuit or only the stator circuit
    • 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
    • H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
    • H02P2207/01—Asynchronous machines
    • 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
    • H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
    • H02P27/047—V/F converter, wherein the voltage is controlled proportionally with the frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE:To eliminate fluctuations in voltage and torque by detecting a fluctuation in the secondary resistance from the deviation of the setting and the detecting values of voltage wherein a slip frequency is corrected and controlled in accordance with the value of the secondary resistance. CONSTITUTION:A multiplier 21 operates the product of a magnetic flux command and a revolving speed to output a voltage setting value. A voltage control circuit 24 receives the deviation of the output signals in a voltage detector 23 and the multiplier 21. When the secondary resistance R2 differs from the value set by a slip frequency arithmetic circuit 15, the voltage control circuit 24 outputs a correcting signal of a slip frequency command to correct the value. Namely, when the secondary resistance R2 increased, a correcting signal to increase a slip frequency is outputted from the voltage control circuit 24 and when the secondary resistance R2 decreased, a correcting signal to decrease the slip frequency is outputted from the voltage control circuit 24.
JP7682279A 1979-06-20 1979-06-20 Control system of induction motor Granted JPS563595A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7682279A JPS563595A (en) 1979-06-20 1979-06-20 Control system of induction motor
US06/158,390 US4330741A (en) 1979-06-20 1980-06-11 Electric control apparatus of induction motor
DE3023135A DE3023135C2 (en) 1979-06-20 1980-06-20 Arrangement for controlling the torque of an asynchronous motor fed by a converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7682279A JPS563595A (en) 1979-06-20 1979-06-20 Control system of induction motor

Publications (2)

Publication Number Publication Date
JPS563595A true JPS563595A (en) 1981-01-14
JPS6226271B2 JPS6226271B2 (en) 1987-06-08

Family

ID=13616362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7682279A Granted JPS563595A (en) 1979-06-20 1979-06-20 Control system of induction motor

Country Status (1)

Country Link
JP (1) JPS563595A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58119792A (en) * 1982-01-11 1983-07-16 Hitachi Ltd Controlling method for induction motor
JP2015029396A (en) * 2013-07-31 2015-02-12 株式会社日立産機システム Power conversion device and control method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49129822A (en) * 1973-04-20 1974-12-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49129822A (en) * 1973-04-20 1974-12-12

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58119792A (en) * 1982-01-11 1983-07-16 Hitachi Ltd Controlling method for induction motor
JP2015029396A (en) * 2013-07-31 2015-02-12 株式会社日立産機システム Power conversion device and control method

Also Published As

Publication number Publication date
JPS6226271B2 (en) 1987-06-08

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