Here's some examples of how we are different
On March 09, 2015, HECO was called in to help evaluate vibration and noise concerns with a coal-fired power generation plant's Boiler Feed Pump Motor. (9000HP, 1800RPM, 13,200v, Siemens Allis). Initial information from the plant vibration team indicated rotor related issues.
See links below for more information on this Case Study:
This is an electric motor repair case study on a 800HP, 900RPM, 4000V Coal Crusher Motor for a Midwest-US based coal fired power generation plant. In 2006 the utility came to HECO after years of repetitive failures circling around the electric motor's rotor.
Click HERE to view this case study.