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Course length: Two days Available as a condensed course: Available in 1 day and half day sessions (see list) Maximum number of students: 30
Course description
The seminar will cover DC machine theory and operation, as well as repair tips. Topics will include testing and winding of armatures, fields, interpoles and compensating windings, machine work, balancing, assembly and final testing. The theory portion is structured so that it can be grasped by entry-level personnel, while the overall material is in-depth enough that those with 30 years of experience or more will benefit.
Partial list of topics covered in the seminar include:
The accompanying book is not meant to replace the many good texts that cover the theory and design of DC machines, but to supplement them. Its purpose is twofold: to help the technician understand DC machine theory without complex formulae; and in a larger sense, to record in one place the repair procedures and tips usually learned the hard way during a long career of DC machine repair. It may take a decade or longer for a technician to become proficient and knowledgeable. We hope this book will cut many years from that timeline.
The text begins with DC theory (no math, we promise!), and then follows the logical progression of a DC machine through the service center. Disassembly, inspection and testing are covered in the initial chapters.
Subsequent chapters are organized around the main parts of a DC machine. The final chapters cover assembly, final testing and application issues. Sections focusing on components explain how those parts work, how they are made and how they can best be repaired.
Repair tips gleaned from EASA members’ decades of experience are liberally sprinkled throughout the book. While many texts about DC machines explain how they should work, this is the first (to our knowledge) to discuss all the exceptions that a repairer is liable to run across during a lifetime of working with DC machines. These might otherwise be labeled “lessons learned the hard way,” except that the reader can benefit from having all these special cases collected in one source. When possible, it is better to learn by reading than by trial and error; otherwise, the first encounter with a unique design can result in a painful “learning experience.”
A DC machine can be used interchangeably as a motor or generator, simply by changing the connection. Any DC motor can be driven and used to produce power, and any DC generator can be motorized to provide mechanical power. Although this text predominately refers to “motor;” the material applies to both motors and generators.
As with the other EASA publications—Principles of Large AC Motors, Mechanical Repair Fundamentals of Electric Motors, and Root Cause Failure Analysis—each section is designed to stand alone. The small amount of duplication is intentional, to save the reader from flipping back and forth between sections.
Table of Contents
Who should attend: This session will be helpful to techs, customer service reps and salespeople new or relatively new to the industry.
Instructor(s) available to teach the course:
Cost
Condensed courses available
Fundamentals of DC Motors (1 day) Taken from "Fundamentals of DC Operation and Repair Tips" this one day course addresses DC motor and generator basics, testing, disassembly, armatures and field frame (shunt, series and interpoles), and assembly and final testing. Discussion will cover methods, materials and recommended repair practices as they relate to DC motor and generator basics, testing, disassembly, armatures and field frame (shunt, series and interpoles), and assembly and final testing.
- Chapter/Region fee (+ expenses): $2300 + $45/student - Member company fee (+ expenses): $5300 + 60/student - Non-member fee (+ expenses): $5800 + $65/student
DC Motor Theory, Disassembly and Testing (Half day) Taken from "Fundamentals of DC Operation and Repair Tips" this half day course addresses DC motor and generator theory, disassembly, and testing. Discussion will cover methods and recommended repair practices as they relate to DC motor and generator theory, disassembly, and testing.
- Chapter/Region fee (+ expenses): $1200 + $45/student - Member company fee (+ expenses): $2300 + $60/student - Non-member fee (+ expenses): $4900 + $65/student
DC Motor Fields, Interpoles, Armatures and Commutators (Half day) Taken from "Fundamentals of DC Operation and Repair Tips" this half day course addresses DC motor and generator fields, interpoles, armatures and commutators. Discussion will cover methods and recommended repair practices as they relate to DC motor and generator fields, interpoles, armatures and commutators.
DC Motor Theory, Assembly and Testing (Half day) Taken from "Fundamentals of DC Operation and Repair Tips" this half day course addresses DC motor and generator nomenclature, theory, and assembly and final testing. Discussion will cover methods and recommended repair practices as they relate to DC motor and generator nomenclature, theory, and assembly and final testing.
Unable to participate in this training event? The manual that accompanies this seminar is available for sale.
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To schedule a private seminar for your group, contact:
Dale Shuter, CMP Meetings & Expositions Manager +1 314 993 2220, Ext. 3335 dshuter@easa.com
In addition to the seminar fees, the seminar sponsor will be responsible for: