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  1. georgeofthejungle02

    AC Servo Motor Operating Principle

    Hello: Can anyone provide some literature/web links that explains how AC servo motors/drives work? Thank you, George
  2. georgeofthejungle02

    Calculating Energy Consumption of 3 phase motors

    THanks for all your input gentlement. Coincedentally, I've got a excel calculation sheet from one of our vendors to estimate energy consumption of the 2 speed motors, their formulas are protected so I don't see how they are getting the answers from, but say a 250HP motor running @ 1800 RPM with...
  3. georgeofthejungle02

    Calculating Energy Consumption of 3 phase motors

    Hello: I have a question about calculating the energy consumption of 575V 3 phase interpole 250HP /63HP motor in one year. 8760 hr in one year 0.0504 $/kWh From the motor data, the efficiency is 95%/92% at 1800/900 RPM respectively. The following formula is what I use to calculate operating...

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