Circuitikzの使用例2

2.tex

\documentclass[10pt, a4paper, titlepage, uplatex]{jsarticle} 
\usepackage{amsmath,ams symb}
\usepackage[dvipdfmx]{graphicx} 
\usepackage{circuitikz}

\begin{document}
	\begin{figure}[htbp]
%三相交流発電機
		\begin{center}
		\begin{circuitikz}[american currents]
			\draw
				(3,3)to[sV=$\dot{E}_a$] (3,5)
				(3,3)to[sV=$\dot{E}_b$] (5,1)
				(3,3)to[sV=$\dot{E}_c$] (1,1)
				
				(3,3)to[short](3,2.5)
				(3,2.5) node[ground]{}
				
				 (3,5)to[short](5,5)
				 (1,1)to[short](0.5,0.5)
				 (0.5,0.5)to[short](5,0.5)
				 
				 (5,5)to[short,-o,i=$\dot{I}_a$](6,5)
				 (5,1)to[short,-o,i=$\dot{I}_b$](6,1)
				 (5,0.5)to[short,-o,i=$\dot{I}_c$](6,0.5)
				 							 
				 (8,0.5)node[ground]{} node[ocirc]{}
				 (8,0.5)to[open,v=$\dot{V}_a$](6,5)
				 (8,0.5)to[open,v=$\dot{V}_b$](6,1)
				 (8,0.5)to[open,v^=$\dot{V}_c$](6,0.5)
				;
				
			\end{circuitikz}
			\caption{三相交流発電機}
			\label{figure:LPF}
		\end{center}
	\end{figure}
\end{document}