JPS5259445A - Control system for a.c. elevator - Google Patents

Control system for a.c. elevator

Info

Publication number
JPS5259445A
JPS5259445A JP50132970A JP13297075A JPS5259445A JP S5259445 A JPS5259445 A JP S5259445A JP 50132970 A JP50132970 A JP 50132970A JP 13297075 A JP13297075 A JP 13297075A JP S5259445 A JPS5259445 A JP S5259445A
Authority
JP
Japan
Prior art keywords
elevator
control system
speed
electric current
stop operation
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
JP50132970A
Other languages
Japanese (ja)
Inventor
Tomiaki Kurihara
Takeshi Ohira
Shiro Kameyama
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 JP50132970A priority Critical patent/JPS5259445A/en
Publication of JPS5259445A publication Critical patent/JPS5259445A/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: To stop operation of elevator, when either of the speed or electric current of three-phase induction motor becomes zero.
COPYRIGHT: (C)1977,JPO&Japio
JP50132970A 1975-11-07 1975-11-07 Control system for a.c. elevator Pending JPS5259445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50132970A JPS5259445A (en) 1975-11-07 1975-11-07 Control system for a.c. elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50132970A JPS5259445A (en) 1975-11-07 1975-11-07 Control system for a.c. elevator

Publications (1)

Publication Number Publication Date
JPS5259445A true JPS5259445A (en) 1977-05-16

Family

ID=15093745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50132970A Pending JPS5259445A (en) 1975-11-07 1975-11-07 Control system for a.c. elevator

Country Status (1)

Country Link
JP (1) JPS5259445A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS508243A (en) * 1973-06-01 1975-01-28
JPS5019137A (en) * 1973-06-25 1975-02-28
JPS50124344A (en) * 1974-03-15 1975-09-30

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS508243A (en) * 1973-06-01 1975-01-28
JPS5019137A (en) * 1973-06-25 1975-02-28
JPS50124344A (en) * 1974-03-15 1975-09-30

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