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 />
AC <strong>Circuit</strong> Power Analysis<br />
Week #11<br />
Example:<br />
<strong>th</strong>e apparent power<br />
supplied by <strong>th</strong>e source:<br />
Page 53<br />
V<br />
eff<br />
I<br />
eff<br />
<br />
( 60) (12)<br />
720 VA.<br />
<strong>th</strong>e power f<strong>ac</strong>tor of <strong>th</strong>e<br />
combined load.<br />
PF<br />
<br />
P<br />
V I eff eff<br />
<br />
432<br />
(60) (12)<br />
P (12) 2 2<br />
<br />
0.6<br />
P (12) 2 1
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