JPS51139047A - Alternating current elevator - Google Patents

Alternating current elevator

Info

Publication number
JPS51139047A
JPS51139047A JP50062925A JP6292575A JPS51139047A JP S51139047 A JPS51139047 A JP S51139047A JP 50062925 A JP50062925 A JP 50062925A JP 6292575 A JP6292575 A JP 6292575A JP S51139047 A JPS51139047 A JP S51139047A
Authority
JP
Japan
Prior art keywords
alternating current
current elevator
elevator
capacity
enlarging
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
JP50062925A
Other languages
Japanese (ja)
Inventor
Kiyoya Shima
Masaru Komuro
Keishin Hatakeyama
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 JP50062925A priority Critical patent/JPS51139047A/en
Publication of JPS51139047A publication Critical patent/JPS51139047A/en
Pending legal-status Critical Current

Links

Landscapes

  • Elevator Control (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

PURPOSE: In the AC elevator driven by the induction motor which changes the speed by the pole number change-over, the elevator capacity is increased without enlarging the related motor or power supply capacity.
COPYRIGHT: (C)1976,JPO&Japio
JP50062925A 1975-05-28 1975-05-28 Alternating current elevator Pending JPS51139047A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50062925A JPS51139047A (en) 1975-05-28 1975-05-28 Alternating current elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50062925A JPS51139047A (en) 1975-05-28 1975-05-28 Alternating current elevator

Publications (1)

Publication Number Publication Date
JPS51139047A true JPS51139047A (en) 1976-12-01

Family

ID=13214325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50062925A Pending JPS51139047A (en) 1975-05-28 1975-05-28 Alternating current elevator

Country Status (1)

Country Link
JP (1) JPS51139047A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108676A (en) * 1982-12-11 1984-06-23 フジテック株式会社 Controller for alternating current elevator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59108676A (en) * 1982-12-11 1984-06-23 フジテック株式会社 Controller for alternating current elevator

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