A Thread Starter AbhimanyuSingh Joined May 22, 2011 24 Jun 11, 2011 #1 What should be the best way to way to calculate the average power across a resistive load for the voltage form shown in the image attached? Attachments DFSDF.JPG 76.2 KB Views: 34
What should be the best way to way to calculate the average power across a resistive load for the voltage form shown in the image attached?
#12 Joined Nov 30, 2010 18,076 Jun 11, 2011 #2 Imagine a horizontal line through the center of the sine wave and call that voltage. The, P = E squared over R
Imagine a horizontal line through the center of the sine wave and call that voltage. The, P = E squared over R
S someonesdad Joined Jul 7, 2009 1,577 Jun 11, 2011 #3 First digitize it. If you want the average, then use the definition of the average: just sum up the points and divide by the number of points. Instead, you might want to consider the RMS value instead: square all the values, average them, then take the square root. Then it's the usual V^2/R calculation.
First digitize it. If you want the average, then use the definition of the average: just sum up the points and divide by the number of points. Instead, you might want to consider the RMS value instead: square all the values, average them, then take the square root. Then it's the usual V^2/R calculation.
ErnieM Joined Apr 24, 2011 7,991 Jun 11, 2011 #4 Your spice program can't do power? I'd just ignore the AC component until I had a real breadboard to measure what the signal really looks like.
Your spice program can't do power? I'd just ignore the AC component until I had a real breadboard to measure what the signal really looks like.