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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Effective Values:<br />
Page 39<br />
of a Periodic Waveform:<br />
R<br />
T<br />
<br />
T<br />
0<br />
i<br />
2<br />
dt<br />
<br />
I<br />
2<br />
eff<br />
R<br />
we get<br />
I<br />
eff<br />
<br />
1<br />
T<br />
<br />
T<br />
0<br />
i<br />
2<br />
dt<br />
<strong>ENE</strong> <strong>104</strong><br />
note: <strong>th</strong>e effective value is<br />
often called <strong>th</strong>e root-meansquare<br />
value, or simply <strong>th</strong>e<br />
rms value.<br />
AC <strong>Circuit</strong> Power Analysis<br />
Week #11
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