像这样?
\documentclass[tikz,border=3.14mm]{standalone}
\usepackage[american]{circuitikz}
\begin{document}
\begin{tikzpicture}
\draw (0,0) to [voosource,fill=cyan!40, l=$T_1$,name=T1] (0,-2) node[ground]{};
\node [xshift=-13mm] at (T1.90) {$10/0.4$};
\end{tikzpicture}
\end{document}