A new plant engineer recently hired you to oversee electrical maintenance. She told you the motor failure rates here seems high compared to the last three plants she worked at. The plant has dozens of 2 hp and fractional horsepower motors; these almost never fail. But it seems the plant is replacing a 10 hp, 20 hp, or 50 hp motor just about every week. A sample motor maintenance PM procedure has the technician conducting vibration analysis, checking for voltage imbalance, conducting ...

Website Registration Required to Access this Content

Only registered users have access to Silver content. 

Registration on EC&M allows you exclusive access to high value content centered around proprietary research, expert NEC analysis and in-depth technical procedures.

Already registered? here.