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JPS52155752A - Speed controlling apparatus for elevator - Google Patents

Speed controlling apparatus for elevator

Info

Publication number
JPS52155752A
JPS52155752A JP7353976A JP7353976A JPS52155752A JP S52155752 A JPS52155752 A JP S52155752A JP 7353976 A JP7353976 A JP 7353976A JP 7353976 A JP7353976 A JP 7353976A JP S52155752 A JPS52155752 A JP S52155752A
Authority
JP
Japan
Prior art keywords
elevator
controlling apparatus
speed controlling
cage
enabled
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
JP7353976A
Other languages
Japanese (ja)
Inventor
Hidenori Watanabe
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 JP7353976A priority Critical patent/JPS52155752A/en
Publication of JPS52155752A publication Critical patent/JPS52155752A/en
Pending legal-status Critical Current

Links

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

PURPOSE: To provide a speed controlling apparatus for elevator, according to which, if one of two sets of thyristor converters goes wrong due to temperature rise, it is enabled to operate cage by the use of remaining converter.
COPYRIGHT: (C)1977,JPO&Japio
JP7353976A 1976-06-22 1976-06-22 Speed controlling apparatus for elevator Pending JPS52155752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7353976A JPS52155752A (en) 1976-06-22 1976-06-22 Speed controlling apparatus for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7353976A JPS52155752A (en) 1976-06-22 1976-06-22 Speed controlling apparatus for elevator

Publications (1)

Publication Number Publication Date
JPS52155752A true JPS52155752A (en) 1977-12-24

Family

ID=13521129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7353976A Pending JPS52155752A (en) 1976-06-22 1976-06-22 Speed controlling apparatus for elevator

Country Status (1)

Country Link
JP (1) JPS52155752A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5648398A (en) * 1979-09-28 1981-05-01 Shin Meiwa Ind Co Ltd Preventive device for selffpropelling of motor winch in crane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5648398A (en) * 1979-09-28 1981-05-01 Shin Meiwa Ind Co Ltd Preventive device for selffpropelling of motor winch in crane

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