SPEED CONTROL BY CHANGING THE LINE VOLTAGE
Since the torque developed by the induction motor is proportional to the square of the applied voltage, the speed of the motor can be controlled within a limited range by varying the line voltage as shown in Fig. 7.2.
Related posts:
INTRODUCTION TO STEPPING MOTORS
SYNCHRONOUS MACHINES:TORQUE TESTS
Troubleshooting and Repairing Computer Printers – Power supply service techniques
Transformer,three phase:Instrument Transformers
REDUCED ORDER MODELS
Testing of d.c.Machines:Regenerative or Hopkinson’s Test (Back-to-Back Test)
Dc Motors
Signal-carrying switches:Digital switching
Ohm’s Law
Programmable Controllers An engineer’s guide - Industrial control with conventional computers
MAINTENANCE OF MOTORS:REPAIR AND REFURBISHMENT OF AC INDUCTION MOTORS
INDUSTRIAL CONTROL SYSTEM SIMULATION ROUTINES:MODELING AND IDENTIFICATION
INDUSTRIAL INTELLIGENT CONTROLLERS:FLC (FUZZY LOGIC CONTROL) CONTROLLERS
Pressure switches and sensors:Pressure Switches