JPS5259445A - Control system for a.c. elevator - Google Patents
Control system for a.c. elevatorInfo
- 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
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
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)
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 |
-
1975
- 1975-11-07 JP JP50132970A patent/JPS5259445A/en active Pending
Patent Citations (3)
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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