Industrial motor control

... xi Acknowledgments xi Chapter 1 General Principles of Motor Control 1 Installation of Motors and Control Equipment 1 Types of Control Systems 4 Functions of Motor Control 7 Review Questions 9 Chapter 2 Symbols ... Induction Motors 351 Manual Control of a Wound Rotor Motor 353 Timed Controlled Starting 353 Wound Rotor Speed Control 355 Frequency Control 355 Review Questions...

Ngày tải lên: 13/12/2013, 00:56

... of motor control. Discuss the differences between manual and automatic motor control. Discuss considerations when installing motors or control equipment. Discuss the basic functions of a control ... xi Acknowledgments xi Chapter 1 General Principles of Motor Control 1 Installation of Motors and Control Equipment 1 Types of Control Systems 4 Functions of Motor Control 7...

Ngày tải lên: 13/12/2013, 03:40

... 3.1. The basic control format In essence, we are endeavoring to design a controller that can vary the torque induced in the rotor of the motor. To do this, the induction motor controller will ... for an induction motor An induction motor is an asynchronous AC (alternating current) motor. The least expensive and most widely used induction motor is the squirrel cage motor....

Ngày tải lên: 27/10/2013, 23:15

... run on single-phase ac induction motors less than ½ horsepower. And most of those motors lack a proper motor controller in order to run the motor more efficiently. Motors can run more efficiently ... ac induction motor controller is presented and the PWM (pulse- width-modulated) frequency control part of the operation is verified experimentally. The application for this ac motor con...

Ngày tải lên: 17/12/2013, 18:06

Ngày tải lên: 25/12/2013, 05:17

... face à axe des vannes de régulation à soupape, à deux voies, à brides, d'équerre Industrial- process control valves – Part 3-1: Dimensions – Face-to-face dimensions for flanged, two-way, globe-type, ... – Bibliography EN 558-1:1996, Industrial valves – Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems – Part 1: PN-designated valves EN 558-2:1...

Ngày tải lên: 25/12/2013, 11:08

... stable, reliable and cost-effective control system. Further details on motor control circuits and sensors are provided in several books, including Motor Control Electronics” (10). In addition, ... Parekh, Rakesh, “AN889 - VF Control of 3- Phase Induction Motors using PIC16F7X7 Microcontrollers”, Microchip Technology Inc., 2003. 10. Valentine, Richard, editor, Motor Control Elec-...

Ngày tải lên: 03/01/2014, 18:55

Ngày tải lên: 19/01/2014, 20:20

... INPUT DESCRIPTION The L297 Stepper Motor Controller IC generates four phase drive signals for two phase bipolar and four phase unipolar step motors in microcomputer- controlled applications. The motor can be driven ... regulate load current if CONTROL input is low. 6 B Motor phase B drive signal for power stage. 7 C Motor phase C drive signal for power stage. 8 INH2 Active low inhib...

Ngày tải lên: 20/01/2014, 02:20