摘  要：針對煤礦井下短路、過載、漏電、過壓、欠壓等電力系統(tǒng)故障，本文設(shè)計以和利時LM3108G型PLC為核心的高壓防爆開關(guān)綜合保護器裝置。結(jié)合保護裝置的主要功能，設(shè)計了系統(tǒng)總體結(jié)構(gòu)，并進行軟硬件設(shè)計。 關(guān)鍵詞：和利時   PLC   高壓   綜合保護器 Abstract: For power system fault of coal mine underground，such as short circuit, overload, leakage, over-voltage, under-voltage, a high-voltage explosion-proof switch protection device is designed based on the core of the LM3[登陸后可查看全文]