Will - Electric Motors - Machine Tools - Industry

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Expert Profile: Will

Expertise: Three phase electic motors, controls and related problems or failures, three phase motor installation issues, performance issues, connections, data and duty cycle information. All other electic motors. Specialty motors, repair concerns, performance concerns, obsolete motors and solutions. Other specialty equipment issues. Lost nameplate data and identification, lost connection data. Also DC motors of all types. See my profile under Home/electrical at this site

Experience in the area
30 plus years in the electrical motor and apparatus repair industry. VP level management of repair facilities, current owner of my own specialty repair and consulting firm.

Organizations
EASA, IBEW [retired], other specialty organizatons, Lubrication, Vibration EDI, Triboelectric Councils

Publications
Currently fielding concerns at this site under "Home Electrical"

Education/Credentials
4 year technical, College level specific courses, EASA repair courses, vibration analysis electronic and electrical trade school.

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What do you like about this subject? Three phase motor information is sometimes difficult to find. I work with Electrical contractors all the time. They have enough to worry about with the NEC, let alone Motors and the common but somtimes often confusing wiring schemes. Many times problems with this type device can be solved in a few simple steps

What do you still hope to achieve/learn in this field? For over thirty years I have been involved with the repair and diagnosis of motor issues. There still seems to be another new issue.

Something interesting about this subject that others may not know: A broom can increase the operating life of a motor by a factor of 2 or more. Simply sweeping the contaminates or materials from a process, off the motor case, will allow the motor to cool itself as designed. A "hot" motor is not necessarily a "bad" motor.

Something controversial or provocative about this subject Differences in the motor code number or speeds require additional consideration in starting methods and choices of control. The number of starts a motor can withstand in a defined amount of time is frequently overlooked. Motors do fail on their own. However a significant amount of motor failures are the result of something preventable. As well, the cause of failure in rarely diagnosed.

This expert has elected not to be rated

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Recent Answers from Will

2008-07-02 Faulty armature?: The why is one of several possible reasons, but it has to do with which way electrons flow and in commutation it gets more complicated. I don't know if this motor is a series motor with applied AC,...

2008-06-30 ge fan motor: Al Ge sold the small motor division some time back and has little information on just model numbers, you can find something to replace it, but how is the problem, If you have a local motor shop who...

2008-06-29 GE fractional HP - centrifugal switch problem: Allan, GE fractional frame motors were sold to Marathon which was sold to Baldor who was sold to,,,,,,,, anyway, even a service shop would not have drawings as these motors are considered throw away...

2008-06-27 Motor Vibration: LLoyd, I don't answer much of industrial questions on here, it is what I do for a living as a consultant, but in this case knowing the cons that go on in predictive maintenance, I will give you a head's...

2008-06-26 winding leads: Hey Gil, I guess these manufacturers are not putting connection diagrams on anything anymore, the number 1 question I get and without counting anything, is concerning Dayton and their lack of connection...