In diesem Fall lag der Fehler bei mir. Wie @The Photon bemerkte, mische ich die Phasor-Notation (Frequenzbereich) mit der Zeitbereichs-Notation.
Im Zeitbereich haben wir (wie in der Frage gezeigt):
ichS( t ) = c o s ( ω t )
eS( t ) = LD(ichS( t ) )DT= - - ω L. ⋅ s ich n ( ω t )
Vom Zeitbereich in den Frequenzbereich gehen ( Phasor- Notation):
ichS( t ) = c o s ( ω t )⟺ICHS= 1 ∠ 0
Im Frequenzbereich haben wir:
ICHS= 1 ∠ 0
ES=ZL⋅ICHS= j ω L ⋅ 1 ∠ 0
Daran erinnern:
j ω L =02+ ( ωL _)2−−−−−−−−−√∠ ein t ein n 2 ( ω L , 0 ) = ω L ∠ π2
<em><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">(Hinweis: Hier konvertiere ich von der </font></font><strong><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">rechteckigen Zeigerform</font></font></strong><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"> in die </font></font><strong><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">polare Zeigerform</font></font></strong><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"> )</font></font></em>
<p></p>
<p><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">Somit können wir schreiben:</font></font><span class="math-container"><span class="MathJax_Preview" style="color: inherit;"></span></span></p>
<div class="MathJax_Display" style="text-align: center;">
<span class="MathJax" id="MathJax-Element-18-Frame" tabindex="0" style="text-align: center; position: relative;" data-mathml="<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"><msub><mi>E</mi><mi>s</mi></msub><mo>=</mo><msub><mi>Z</mi><mi>L</mi></msub><mo>&#x22C5;</mo><msub><mi>I</mi><mi>s</mi></msub><mo>=</mo><mrow><mo>(</mo><mi>&#x03C9;</mi><mi>L</mi><mtext>&#xA0;</mtext><mi mathvariant="normal">&#x2220;</mi><mtext>&#xA0;</mtext><mfrac><mi>&#x03C0;</mi><mn>2</mn></mfrac><mo>)</mo></mrow><mo>&#x22C5;</mo><mrow><mo>(</mo><mn>1</mn><mtext>&#xA0;</mtext><mi mathvariant="normal">&#x2220;</mi><mtext>&#xA0;</mtext><mn>0</mn><mo>)</mo></mrow><mo>=</mo><mi>&#x03C9;</mi><mi>L</mi><mtext>&#xA0;</mtext><mi mathvariant="normal">&#x2220;</mi><mtext>&#xA0;</mtext><mfrac><mi>&#x03C0;</mi><mn>2</mn></mfrac></math>" role="presentation"><nobr aria-hidden="true"><span class="math" id="MathJax-Span-265" style="width: 24.101em; display: inline-block;"><span style="display: inline-block; position: relative; width: 19.727em; height: 0px; font-size: 122%;"><span style="position: absolute; clip: rect(1.911em, 1019.73em, 4.074em, -1000em); top: -3.224em; left: 0em;"><span class="mrow" id="MathJax-Span-266"><span class="msubsup" id="MathJax-Span-267"><span style="display: inline-block; position: relative; width: 1.145em; height: 0px;"><span style="position: absolute; clip: rect(3.145em, 1000.76em, 4.153em, -1000em); top: -3.989em; left: 0em;"><span class="mi" id="MathJax-Span-268" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">E</font></font><span style="display: inline-block; overflow: hidden; height: 1px; width: 0.026em;"></span></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span><span style="position: absolute; top: -3.839em; left: 0.738em;"><span class="mi" id="MathJax-Span-269" style="font-size: 70.7%; font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">S</font></font></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span></span></span><span class="mo" id="MathJax-Span-270" style="font-family: MathJax_Main; padding-left: 0.278em;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">=</font></font></span><span class="msubsup" id="MathJax-Span-271" style="padding-left: 0.278em;"><span style="display: inline-block; position: relative; width: 1.24em; height: 0px;"><span style="position: absolute; clip: rect(3.142em, 1000.72em, 4.153em, -1000em); top: -3.989em; left: 0em;"><span class="mi" id="MathJax-Span-272" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">Z</font></font><span style="display: inline-block; overflow: hidden; height: 1px; width: 0.04em;"></span></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span><span style="position: absolute; top: -3.839em; left: 0.683em;"><span class="mi" id="MathJax-Span-273" style="font-size: 70.7%; font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">L</font></font></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span></span></span><span class="mo" id="MathJax-Span-274" style="font-family: MathJax_Main; padding-left: 0.222em;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">⋅</font></font></span><span class="msubsup" id="MathJax-Span-275" style="padding-left: 0.222em;"><span style="display: inline-block; position: relative; width: 0.847em; height: 0px;"><span style="position: absolute; clip: rect(3.142em, 1000.5em, 4.153em, -1000em); top: -3.989em; left: 0em;"><span class="mi" id="MathJax-Span-276" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">ICH</font></font><span style="display: inline-block; overflow: hidden; height: 1px; width: 0.064em;"></span></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span><span style="position: absolute; top: -3.839em; left: 0.44em;"><span class="mi" id="MathJax-Span-277" style="font-size: 70.7%; font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">S</font></font></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span></span></span><span class="mo" id="MathJax-Span-278" style="font-family: MathJax_Main; padding-left: 0.278em;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">= </font></font></span><span class="mrow" id="MathJax-Span-279" style="padding-left: 0.278em;"><span class="mo" id="MathJax-Span-280" style="vertical-align: 0em;"><span style="font-family: MathJax_Size2;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">(</font></font></span></span><span class="mi" id="MathJax-Span-281" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"> ω </font></font></span><span class="mi" id="MathJax-Span-282" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">L </font></font></span><font style="vertical-align: inherit;"><span class="mi" id="MathJax-Span-284" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;">∠</font></span></font><span class="mtext" id="MathJax-Span-283" style="font-family: MathJax_Main;"> </span><span class="mi" id="MathJax-Span-284" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"></font></span><span class="mtext" id="MathJax-Span-285" style="font-family: MathJax_Main;"> </span><span class="mfrac" id="MathJax-Span-286"><span style="display: inline-block; position: relative; width: 0.693em; height: 0px; margin-right: 0.12em; margin-left: 0.12em;"><span style="position: absolute; clip: rect(3.394em, 1000.57em, 4.164em, -1000em); top: -4.666em; left: 50%; margin-left: -0.286em;"><span class="mi" id="MathJax-Span-287" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">π</font></font><span style="display: inline-block; overflow: hidden; height: 1px; width: 0.003em;"></span></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span><span style="position: absolute; clip: rect(3.159em, 1000.45em, 4.153em, -1000em); top: -3.303em; left: 50%; margin-left: -0.25em;"><span class="mn" id="MathJax-Span-288" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">2</font></font></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span><span style="position: absolute; clip: rect(0.861em, 1000.69em, 1.257em, -1000em); top: -1.313em; left: 0em;"><span style="display: inline-block; overflow: hidden; vertical-align: 0em; border-top: 1.3px solid; width: 0.693em; height: 0px;"></span><span style="display: inline-block; width: 0px; height: 1.093em;"></span></span></span></span><span class="mo" id="MathJax-Span-289" style="vertical-align: 0em;"><span style="font-family: MathJax_Size2;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">)</font></font></span></span></span><span class="mo" id="MathJax-Span-290" style="font-family: MathJax_Main; padding-left: 0.222em;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"> ⋅</font></font></span><span class="mrow" id="MathJax-Span-291" style="padding-left: 0.222em;"><span class="mo" id="MathJax-Span-292" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"> ( </font></font></span><span class="mn" id="MathJax-Span-293" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">1 </font></font></span><font style="vertical-align: inherit;"><span class="mi" id="MathJax-Span-295" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;">∠ </font></span><span class="mn" id="MathJax-Span-297" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;">0 </font></span><span class="mo" id="MathJax-Span-298" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;">)</font></span></font><span class="mtext" id="MathJax-Span-294" style="font-family: MathJax_Main;"> </span><span class="mi" id="MathJax-Span-295" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"></font></span><span class="mtext" id="MathJax-Span-296" style="font-family: MathJax_Main;"> </span><span class="mn" id="MathJax-Span-297" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"></font></span><span class="mo" id="MathJax-Span-298" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"></font></span></span><span class="mo" id="MathJax-Span-299" style="font-family: MathJax_Main; padding-left: 0.278em;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;"> =</font></font></span><span class="mi" id="MathJax-Span-300" style="font-family: MathJax_Math-italic; padding-left: 0.278em;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">ω</font></font></span><span class="mi" id="MathJax-Span-301" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">L</font></font></span><font style="vertical-align: inherit;"><span class="mi" id="MathJax-Span-303" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;">∠</font></span></font><span class="mtext" id="MathJax-Span-302" style="font-family: MathJax_Main;"> </span><span class="mi" id="MathJax-Span-303" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"></font></span><span class="mtext" id="MathJax-Span-304" style="font-family: MathJax_Main;"> </span><span class="mfrac" id="MathJax-Span-305"><span style="display: inline-block; position: relative; width: 0.693em; height: 0px; margin-right: 0.12em; margin-left: 0.12em;"><span style="position: absolute; clip: rect(3.394em, 1000.57em, 4.164em, -1000em); top: -4.666em; left: 50%; margin-left: -0.286em;"><span class="mi" id="MathJax-Span-306" style="font-family: MathJax_Math-italic;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">π</font></font><span style="display: inline-block; overflow: hidden; height: 1px; width: 0.003em;"></span></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span><span style="position: absolute; clip: rect(3.159em, 1000.45em, 4.153em, -1000em); top: -3.303em; left: 50%; margin-left: -0.25em;"><span class="mn" id="MathJax-Span-307" style="font-family: MathJax_Main;"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">2</font></font></span><span style="display: inline-block; width: 0px; height: 3.989em;"></span></span><span style="position: absolute; clip: rect(0.861em, 1000.69em, 1.257em, -1000em); top: -1.313em; left: 0em;"><span style="display: inline-block; overflow: hidden; vertical-align: 0em; border-top: 1.3px solid; width: 0.693em; height: 0px;"></span><span style="display: inline-block; width: 0px; height: 1.093em;"></span></span></span></span></span><span style="display: inline-block; width: 0px; height: 3.224em;"></span></span></span><span style="display: inline-block; overflow: hidden; vertical-align: -0.904em; border-left: 0px solid; width: 0px; height: 2.373em;"></span></span></nobr><span class="MJX_Assistive_MathML MJX_Assistive_MathML_Block" role="presentation">
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
<msub>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
E
</font></font></mi>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
S
</font></font></mi>
</msub><mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
=
</font></font></mo><msub>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
Z
</font></font></mi>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
L
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</msub><mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
⋅
</font></font></mo><msub>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
ICH
</font></font></mi>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
S
</font></font></mi>
</msub><mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
=
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<mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
(
</font></font></mo>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
ω
</font></font></mi>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
L
</font></font></mi>
<mtext>
</mtext>
<mi mathvariant="normal"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
∠
</font></font></mi>
<mtext>
</mtext>
<mfrac>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
π
</font></font></mi>
<mn><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
2
</font></font></mn>
</mfrac>
<mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
)
</font></font></mo>
</mrow><mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
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</font></font></mo><mrow>
<mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
(
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<mn><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
1
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<mtext>
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<mi mathvariant="normal"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
∠
</font></font></mi>
<mtext>
</mtext>
<mn><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
0
</font></font></mn>
<mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
)
</font></font></mo>
</mrow><mo><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
=
</font></font></mo><mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
ω
</font></font></mi><mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
L
</font></font></mi><mtext>
</mtext><mi mathvariant="normal"><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
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</mtext><mfrac>
<mi><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
π
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<mn><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">
2
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</mfrac>
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</div>
<script type="math/tex; mode=display" id="MathJax-Element-18">E_s=Z_L \cdot I_s=\left (\omega L \space \angle \space \frac{\pi}{2} \right) \cdot \left( 1 \space \angle \space 0 \right)= \omega L \space \angle \space \frac{\pi}{2}
Vom Frequenzbereich ( Phasor -Notation) zum Zeitbereich :
ES= ω L ∠ π2⟺eS( t ) = ω L. ⋅ c Ö s ( ω t +π2) =- -ωL.⋅sichn(ωt)
Daher liefern beide Methoden das gleiche Ergebnis.
Hinweis - Denken Sie daran, dass wir vom Frequenz- zum Zeitbereich haben:
jω _⟺DDT
Wir können das sehen:
ES=ZL⋅ICHS= j ω L ⋅ICHS= L ⋅ ( j ωICHS)⟺LD(ichS( t ) )DT=eS( t )
Das Photon
Vinicius ACP