3 Phase Power measurememnt

Thread Starter

testing12

Joined Jan 30, 2011
80
Q) Show that if the power factor of a balanced load is les then 0.5, either W1 or W2 will read a nagative power although the total power is positive.

This is using "The two watt meter method" for measuring power on a 3 phase 3 wire system. Im not sure how to prove W1 or W2 is negative.

 
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