Title:
CONTROL SYSTEM OF TUBE MILL DRIVE MOTOR
Document Type and Number:
Japanese Patent JPS59144384
Kind Code:
A
Abstract:
An electric control arrangement for controlling the speed of a roll driving motor for rolling mills for manufacturing hollow blocks is described. A power controller determines from the speed, field strength and armature current of the driving motor, the actual value of the motor power, compares the latter with a reference value, and generates a controlled variable which is fed to a current controller of the control arrangement to control the motor so that the motor delivers constant power.
More Like This:
| JPS62296905 | LOOPER STARTER FOR CONTINUOUS ROLLING MILL |
Inventors:
BUARUTAA RIHITAA
Application Number:
JP993484A
Publication Date:
August 18, 1984
Filing Date:
January 23, 1984
Export Citation:
Assignee:
SIEMENS AG
International Classes:
B21B37/00; B21B37/78; G05D13/62; H02P7/298; H02P23/16; B21B19/06; (IPC1-7): H02P5/16
Attorney, Agent or Firm:
Iwao Yamaguchi