JPS5574390A - Control of dc motor - Google Patents

Control of dc motor

Info

Publication number
JPS5574390A
JPS5574390A JP14849578A JP14849578A JPS5574390A JP S5574390 A JPS5574390 A JP S5574390A JP 14849578 A JP14849578 A JP 14849578A JP 14849578 A JP14849578 A JP 14849578A JP S5574390 A JPS5574390 A JP S5574390A
Authority
JP
Japan
Prior art keywords
motor
time
control circuit
phase control
thyristor
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
JP14849578A
Other languages
Japanese (ja)
Other versions
JPS616638B2 (en
Inventor
Toshio Kadokura
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14849578A priority Critical patent/JPS5574390A/en
Publication of JPS5574390A publication Critical patent/JPS5574390A/en
Publication of JPS616638B2 publication Critical patent/JPS616638B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate a motor-produced torque at the time of switching a conversion device, by shifting the ingnition positions in the direction of γ limit at the time of switching inverter operation and converter operation in the anti-parallel thyristor Leonard system.
CONSTITUTION: When DC motor 10 is controlled by the anti-parallel thyristor Leonard system by using No.1 and No.2 thyristor conversion devices 7 and 8, output 4a of current amplifier control circuit 4 and output 16a of phase control bias setting circuit 16 are inputted to phase control circuit 6 in the control circuit. At the time of switching inverter operation and converter operation, phase control bias setting circuit 16 sets thyristor ignition positions γ1, α1 by shifting them by Δγ and Δα to the side of γ limit. By this, it is possible to eliminate a motor-produced torque at the time of conversion, inconvenient for an elevator, for example.
COPYRIGHT: (C)1980,JPO&Japio
JP14849578A 1978-11-30 1978-11-30 Control of dc motor Granted JPS5574390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14849578A JPS5574390A (en) 1978-11-30 1978-11-30 Control of dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14849578A JPS5574390A (en) 1978-11-30 1978-11-30 Control of dc motor

Publications (2)

Publication Number Publication Date
JPS5574390A true JPS5574390A (en) 1980-06-04
JPS616638B2 JPS616638B2 (en) 1986-02-27

Family

ID=15454021

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14849578A Granted JPS5574390A (en) 1978-11-30 1978-11-30 Control of dc motor

Country Status (1)

Country Link
JP (1) JPS5574390A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224977A (en) * 1982-06-18 1983-12-27 フジテック株式会社 Controller for speed of elevator
JPS5964479A (en) * 1982-10-04 1984-04-12 三菱電機株式会社 Controller for speed of elevator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224977A (en) * 1982-06-18 1983-12-27 フジテック株式会社 Controller for speed of elevator
JPH0126990B2 (en) * 1982-06-18 1989-05-26 Fujitec Kk
JPS5964479A (en) * 1982-10-04 1984-04-12 三菱電機株式会社 Controller for speed of elevator

Also Published As

Publication number Publication date
JPS616638B2 (en) 1986-02-27

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