Power Electronics notes from March 19th
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This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022/CVE-2023-32700 patched) (preloaded format=pdflatex 2024.3.9) 19 MAR 2024 18:56
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@ -1329,6 +1330,10 @@ Underfull \hbox (badness 10000) in paragraph at lines 140--146
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Chapter 3.
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[7
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]
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Chapter 4.
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[8
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@ -152,5 +152,27 @@ The SCR will be off even when $V_{AC} > 0$ until a pulse is applied to the gate.
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The voltage across the SCR can go negative as long as the current remains positive.
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}
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\chapter{Basic DC-DC Converter}
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\section{Voltage Divider}
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A voltage divider can step DC voltage down to another DC voltage. While its construction is simple, it can only perform voltage step-down, and its power loss is typically very high.
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\section{BJT Review}
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\begin{center}
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\textbf{BJT Regions of Operation}\\
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\begin{tabular}{c | c | c}
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Cut off & Saturation & Active \\
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\hline
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$V_{BE} < 0.7$ & \multicolumn{2}{c}{$V_{BE} > 0.7$} \\
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\hline
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& $V_{CE} = 0.2$[V] & $V_{CE} > 0.2$[V] \\
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\hline
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$i_B, i_C, i_E \approx 0$ & ${i_C \over i_B} < \beta$ & $i_C = \beta i_B$\\
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\end{tabular}
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\end{center}
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\section{PWM Averager}
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\subsection{LC Filter Property}
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The resonant frequency of an LC filter is:
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$$f_0 = {1 \over 2\pi \sqrt{LC}}$$
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\end{document}
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@ -10,4 +10,9 @@
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\contentsline {subsection}{\numberline {2.1.2}The $\Delta $ Configuration}{5}{subsection.2.1.2}%
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\contentsline {subsection}{\numberline {2.1.3}Y Configuration Power}{5}{subsection.2.1.3}%
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\contentsline {chapter}{\numberline {3}Silicon Controlled Rectifier (SCR)}{7}{chapter.3}%
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\contentsline {chapter}{\numberline {4}Basic DC-DC Converter}{8}{chapter.4}%
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\contentsline {section}{\numberline {4.1}Voltage Divider}{8}{section.4.1}%
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\contentsline {section}{\numberline {4.2}BJT Review}{8}{section.4.2}%
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\contentsline {section}{\numberline {4.3}PWM Averager}{8}{section.4.3}%
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\contentsline {subsection}{\numberline {4.3.1}LC Filter Property}{8}{subsection.4.3.1}%
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\contentsfinish
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