# Example: AC drive components

Published 2013-02-10 | Author: Erno Pentzin

Generalized diagram of different components inside an AC drive with voltage intermediate circuit

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% Generalized diagram of different components inside an AC drive
% with voltage intermediate circuit
% Author: Erno Pentzin (2013)
\documentclass{article}
\usepackage{tikz}
\usepackage[europeanresistors,americaninductors]{circuitikz}
\usetikzlibrary{chains}
\renewcommand*{\familydefault}{\sfdefault}
\begin{document}

\begin{tikzpicture}[
start chain=going right,
box/.style={
on chain,join,draw,
minimum height=3cm,
text centered,
minimum width=2cm,
},
every join/.style={ultra thick},
node distance=5mm
]

\node [on chain] {AC in}; % Chain starts here

\node [box,xshift=5mm,label=above:Rectifier] (rec) {
\begin{circuitikz}
\draw (0,0) to[Do] (0,2);
\end{circuitikz}
};

\node [on chain,join,draw,
text width=1cm,
minimum width=4cm,
minimum height=1.6cm,
label=above:Intermediate circuit,
] (ic) {
\begin{circuitikz}[american voltages]
\draw (0,0) to[pC,v>=] (0,2);
\end{circuitikz}
};

\node [box,label=above:Inverter] (inv) {
\begin{circuitikz}
\draw (0,0) node[nigbt] {};
\end{circuitikz}
};

\node [on chain,join,xshift=5mm]{AC out};
% Chain ends here

% CU box
\node [
rectangle,draw,
below=5mm of ic,
minimum width=10cm,
minimum height=1cm,
] (cu) {\textbf{Control unit}};

% PU box
\node [
rectangle,draw,
above=2mm of cu,
minimum width=10cm,
minimum height=4cm,
label=\textbf{Power unit},
] (pu) {};

% Connections between CU and PU
\draw[<->] (rec.south) -- ++(0,-5mm);
\draw[<->] (cu.north) to (ic.south);
\draw[<->] (inv.south) -- ++(0,-5mm);

\end{tikzpicture}

\end{document}


## Comments

• #1 s__C, March 3, 2013 at 11:01 a.m.

Well from a stric theoretical point of view a diode rectifier is followed by a current source, so a LC-filter would be more appropriated.

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