如圖所示為110kV配電裝置變壓器間隔斷面圖(局部),已知110kV系統(tǒng)為中性點(diǎn)有效接地系統(tǒng),變壓器為油浸式,請(qǐng)回答下列問(wèn)題。(供配電2008)
A.5m B.10m C.15m D.20m
A.1000mm B.1650mm C.2900mm D.3400mm