A water pump driven by a 1000-hp induction motor pumps 100,000 m 3 /day at rated speed.
Question:
A water pump driven by a 1000-hp induction motor pumps 100,000 m3/day at rated speed. If the motor were run at slower speed using VFD to reduce the flow rate to 80% over a longer time to pump the same quantity of water per day, determine the percent savings in kilowatt-hour energy consumed per day.
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Step by Step Answer:
Using Equation 152 power at 80 flow rate 080 3 old power Hours to pump the same water quantity old ...View the full answer
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Related Book For 
Introduction To Electrical Power And Power Electronics
ISBN: 9781466556607
1st Edition
Authors: Mukund R. Patel
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