Power Factor for AC Pumps - Canreef Aquatics Bulletin Board

#16

03-07-2013, 08:12 PM

wmcinnes

Member

Join Date: Jan 2012

Location: Edmonton

Posts: 338

If the current and voltage are in phase, the motor speed is the product of voltage and current (PF=1). If they are not in phase the motor in the meter will run fast for part of a cycle and slower for the other part with the average speed being the product of the in-phase voltage and current. Thus measuring real power.

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Wayne

Rainforest of the Sea
First 90g Reef

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