JPS5436518A - Controller for ac motor - Google Patents

Controller for ac motor

Info

Publication number
JPS5436518A
JPS5436518A JP10171077A JP10171077A JPS5436518A JP S5436518 A JPS5436518 A JP S5436518A JP 10171077 A JP10171077 A JP 10171077A JP 10171077 A JP10171077 A JP 10171077A JP S5436518 A JPS5436518 A JP S5436518A
Authority
JP
Japan
Prior art keywords
motor
controller
braking
braking current
aux
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
JP10171077A
Other languages
Japanese (ja)
Inventor
Akio Hirata
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 JP10171077A priority Critical patent/JPS5436518A/en
Publication of JPS5436518A publication Critical patent/JPS5436518A/en
Pending legal-status Critical Current

Links

Landscapes

  • Elevator Control (AREA)
  • Control Of Ac Motors In General (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

PURPOSE: When controlling AC motor through voltage type inverter, to perform braking while maintaining braking current below predetermined level by detecting DC braking current then comparing it with setting level and turning commutation aux. thyristor on-off.
COPYRIGHT: (C)1979,JPO&Japio
JP10171077A 1977-08-26 1977-08-26 Controller for ac motor Pending JPS5436518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10171077A JPS5436518A (en) 1977-08-26 1977-08-26 Controller for ac motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10171077A JPS5436518A (en) 1977-08-26 1977-08-26 Controller for ac motor

Publications (1)

Publication Number Publication Date
JPS5436518A true JPS5436518A (en) 1979-03-17

Family

ID=14307854

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10171077A Pending JPS5436518A (en) 1977-08-26 1977-08-26 Controller for ac motor

Country Status (1)

Country Link
JP (1) JPS5436518A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56127571A (en) * 1980-03-10 1981-10-06 Fujitec Kk Controller for alternating current elevator
JPS5713985A (en) * 1980-06-26 1982-01-25 Shinko Electric Co Ltd Braking circuit for induction motor
JPS589596A (en) * 1981-07-06 1983-01-19 Hitachi Ltd Motor control device
JPS59117476A (en) * 1982-11-29 1984-07-06 Mitsubishi Electric Corp Controller for 3-phase induction motor
JPS609388A (en) * 1983-06-29 1985-01-18 Mitsubishi Electric Corp Dc exciting brake circuit of induction motor
JPS6032587A (en) * 1983-07-15 1985-02-19 Fuji Electric Co Ltd Controller of motor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895521A (en) * 1972-03-22 1973-12-07
JPS5094437A (en) * 1973-12-21 1975-07-28

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895521A (en) * 1972-03-22 1973-12-07
JPS5094437A (en) * 1973-12-21 1975-07-28

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56127571A (en) * 1980-03-10 1981-10-06 Fujitec Kk Controller for alternating current elevator
JPS5713985A (en) * 1980-06-26 1982-01-25 Shinko Electric Co Ltd Braking circuit for induction motor
JPH039716B2 (en) * 1980-06-26 1991-02-12 Shinko Electric Co Ltd
JPS589596A (en) * 1981-07-06 1983-01-19 Hitachi Ltd Motor control device
JPS59117476A (en) * 1982-11-29 1984-07-06 Mitsubishi Electric Corp Controller for 3-phase induction motor
JPS609388A (en) * 1983-06-29 1985-01-18 Mitsubishi Electric Corp Dc exciting brake circuit of induction motor
JPS6032587A (en) * 1983-07-15 1985-02-19 Fuji Electric Co Ltd Controller of motor

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