Title:
【発明の名称】エレベ―タ―の速度制御装置
Document Type and Number:
Japanese Patent JP2503712
Kind Code:
B2
Abstract:
A speed control apparatus for an elevator using V.V.V.F. control including a power conversion device, an induction motor and a control device. The control device detects a secondary magnetic flux value from an output current of the power conversion device and generates a control command value for smooth operation of the elevator based on the velocity of the motor and the secondary magnetic flux value.
Inventors:
TANAHASHI TOORU
Application Number:
JP5508790A
Publication Date:
June 05, 1996
Filing Date:
March 08, 1990
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B66B1/30; B66B1/28; H02P21/08; H02P21/14; (IPC1-7): B66B1/30
Domestic Patent References:
| JP63176277A | ||||
| JP6181375A |
Attorney, Agent or Firm:
Shinichi Kusano