Measuring power factor of a single phase induction motor motor

LowQCab

Joined Nov 6, 2012
1,614
Or to put it another way ........
Use a 2-Channel Oscilloscope with one Channel showing Voltage, and one Channel showing Current.
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crutschow

Joined Mar 14, 2008
28,538
Measuring current can be dangerous if the motor is powered from the mains.
A current transformer can be safely used for that.

The easiest way is to use a wattmeter such as the Kill-A-Watt.
It directly measures current, voltage, and power factor, as well as watts.
 
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