1-三通管路壓力閥;2-壓力表;3-取油樣管路(長(zhǎng)度大于1m);4-閥門;5-壓力箱;6-終端頭;7-電纜。
一條充油電纜線路安裝如圖所示,設(shè)最小油壓Pmin=0.02MPa,最大油壓Pmax=0.35MPa(ρ=0.868),儲(chǔ)備油壓Ps=0.03MPa,問(wèn)電觸點(diǎn)低油壓報(bào)警整定值為多少?