JPS5574383A - Motor starting system by voltage type inverter - Google Patents

Motor starting system by voltage type inverter

Info

Publication number
JPS5574383A
JPS5574383A JP14704078A JP14704078A JPS5574383A JP S5574383 A JPS5574383 A JP S5574383A JP 14704078 A JP14704078 A JP 14704078A JP 14704078 A JP14704078 A JP 14704078A JP S5574383 A JPS5574383 A JP S5574383A
Authority
JP
Japan
Prior art keywords
setter
value
motor
speed command
revolutions
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
JP14704078A
Other languages
Japanese (ja)
Inventor
Akio Ihara
Giichi Ishijima
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 Electric Manufacturing Co Ltd
Original Assignee
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 Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Priority to JP14704078A priority Critical patent/JPS5574383A/en
Publication of JPS5574383A publication Critical patent/JPS5574383A/en
Pending legal-status Critical Current

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  • Motor And Converter Starters (AREA)

Abstract

PURPOSE: To make it possible to start in a short time by means of a small-capacity inverter, by starting the motor by setting the output voltage and output frequency at fixed values and shifting the operation to normal when the number of revolutions has attained a proper value.
CONSTITUTION: Power is supplied to induction motor 6 through AC power source 1, rectifier 2, chopper 3 and inverter 4. At the time of starting, switching contacts 21, 23 are set at the positions opposite to those shown in the drawing, and a speed command is given from setter 22 at a fixed speed. A set value is given to the voltage control system by setter 25. When the motor is started and the number of revolutions exceeds the value set by setter 19, set value 25 is removed from the voltage control system. When the number of revolutions exceeds the value set by setter 20, the speed command is switched to the speed command of setter 7 and the operation is shifted to the range of normal rotational speed control.
COPYRIGHT: (C)1980,JPO&Japio
JP14704078A 1978-11-27 1978-11-27 Motor starting system by voltage type inverter Pending JPS5574383A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14704078A JPS5574383A (en) 1978-11-27 1978-11-27 Motor starting system by voltage type inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14704078A JPS5574383A (en) 1978-11-27 1978-11-27 Motor starting system by voltage type inverter

Publications (1)

Publication Number Publication Date
JPS5574383A true JPS5574383A (en) 1980-06-04

Family

ID=15421151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14704078A Pending JPS5574383A (en) 1978-11-27 1978-11-27 Motor starting system by voltage type inverter

Country Status (1)

Country Link
JP (1) JPS5574383A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5996885A (en) * 1982-11-22 1984-06-04 Shinko Electric Co Ltd Controlling method for starting of induction motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5996885A (en) * 1982-11-22 1984-06-04 Shinko Electric Co Ltd Controlling method for starting of induction motor

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