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Basics of DC Drives
Welcome to another course in the STEP 2000 series,
Siemens Technical Education Program, designed to prepare our
distributors to sell Siemens Energy & Automation products
more effectively. This course covers Basics of DC Drives and
related products.
File size: 849.9 KB
File type: pdf
Last download: Sun May 12, 2013 08:13:20 AM
194
timesIntroduction to Generators and Motors
The series is designed to give small amounts of information that can be easily digested before advancing
further into the more complex material. For a student just becoming acquainted with electricity or
electronics, it is highly recommended that the modules be studied in their suggested sequence. While
there is a listing of NEETS by module title, the following brief descriptions give a quick overview of how
the individual modules flow together.
File size: 1.28 MB
File type: pdf
Last download: Thu May 23, 2013 06:18:59 PM
139
timesElectric motors how to improve their control and protection
After presenting the various types of electric motor and their operating
principles, this "Cahier Technique" describes the technical and operating
features of asynchronous motors, covering in particular the main starting
devices, speed control and braking methods. It provides a solid grounding
for the reader to gain a good understanding of all the problems involved
with motor control and protection.
File size: 402.48 KB
File type: pdf
Last download: Sun May 12, 2013 08:12:23 AM
122
timesSTRUCTURAL DESIGN OPTIMIZATION OF ELECTRIC MOTORS TO IMPROVE TORQUE PERFORMANCE
Electric motors are a fundamental component in almost all industries. It is known that
electric motors consume about 60% of the electrical energy produced in industrialize
nations [1]. Recently, electric motors have attracted more attention as automakers prepare
for the mass production of electric vehicles. Despite a long history of research on electric
motors, there still remains room to enhance the motor performance. As noted by
Mitsuhiko Yamashita, Executive Vice President of Nissan Motor Co., Ltd [2] , “Motor
technology is very old. There has been no big progress recently because people didn’t
pay much attention to motor technology”.
File size: 5.78 MB
File type: pdf
Last download: Sun May 12, 2013 08:12:04 AM
79
timesQuick Start for Beginners to Drive a Stepper Motor
This application note is for novices who want a general quick-start guide showing how to control a stepper
motor. Because stepper motors can be used in a variety of ways and are driven by a variety of devices,
there is a great deal of information available about how these motors work and how to use them. To
reduce confusion, the focus of this application note is on stepper motors that can be driven by
microcontrollers. This document includes basic information needed to get started quickly, and includes a
practical example that is simple and easy to implement.
File size: 118.7 KB
File type: pdf
Last download: Sun May 12, 2013 08:10:47 AM
102
timesSTEPPER MOTOR REFERENCE DESIGN
Stepper motors are used in a wide variety of
applications. They are prevalent in consumer office
equipment such as printers, plotters, copiers, and
scanners. Stepper motors are also used in automotive
applications for electronic throttle control, dashboard
indicators, and climate control systems. Stepper motors
are also found in industrial equipment such as robotics,
electronic component handlers, testers, dispensers, and
other manufacturing equipment.
Stepper motors are often controlled using special
function ICs that provide limited control functionality.
Such ICs often employ a rudimentary step forward and
back interface to the microprocessor that limits system
performance. Other stepper motor systems are PC card
based and use a host PC to provide high performance
control.
File size: 552.67 KB
File type: pdf
Last download: Mon May 13, 2013 11:15:30 AM
94
timesBasics of Motor Control Centers
Welcome to another course in the STEP series, Siemens Technical Education Program, designed to prepare our distributors to sell Siemens Energy & Automation products more effectively. This course covers Basics of Motor Control Centers.
File size: 4.34 MB
File type: pdf
Last download: Wed May 15, 2013 09:39:57 PM
104
timesSome principles of direct current DC motors
Why choose a D.C. motor ?
Many applications call for a high start-up torque. The D.C. motor, by its
very nature, has a high torque vs. falling speed characteristic and this
enables it to deal with high starting torques and to absorb sudden rises in
load easily. The speed of the motor adjusts to the load. Furthermore, the
D.C. motor is an ideal way of achieving the miniaturisation designers are
constantly seeking because the efficiency it gives is high compared with
other designs.
File size: 139.93 KB
File type: pdf
Last download: Sun May 12, 2013 08:08:42 AM
