ENE 104 Electric Circuit Theory - staff.kmutt.ac.th - kmutt
ENE 104 Electric Circuit Theory - staff.kmutt.ac.th - kmutt
ENE 104 Electric Circuit Theory - staff.kmutt.ac.th - kmutt
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<strong>ENE</strong> <strong>104</strong><br />
Average Power:<br />
AC <strong>Circuit</strong> Power Analysis<br />
Page 33<br />
Week #11<br />
For Nonperiodic Function: for example<br />
i( t)<br />
sin t sin<br />
t<br />
<strong>th</strong>e average power delivered to a 1 ohm resistor:<br />
P<br />
<br />
<br />
1<br />
lim<br />
<br />
1 1<br />
<br />
2 2<br />
<br />
<br />
2<br />
<br />
<br />
2<br />
(sin<br />
1<br />
2<br />
t<br />
<br />
Watt<br />
sin<br />
2<br />
t<br />
<br />
2sin<br />
t<br />
sin t)<br />
dt
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