Servicing of rotating electrical equipment

The servicing of electrical rotating equipment has become in important segment of American industry. Each year there is an increase in the installed horsepower of generators and to the utilization of electricity. Rotating equipment represents large part of both the generating apparatus and the motors and or devices driven from electric power sources. Even the best of electrical designs require some servicing and maintenance hiring its useful life. The total annual repair bill for rotating electrical machinery makes this a multi-million dollar industry, and the investment in tools and manpower runs into the billions 4 dollars to permit rendering this repair service efficiently and economically.