6、S11。变压器台数确定对采区变电所一台变压器满足要求时尽量选一台。如需采用多台变压器时,最好不采用几个工作面共用一台变压器的供电方式。如采区变电所的供电负荷中有一类负荷,变压器的台数不得少于两台。根据现场情况,选一台变压器。(9)低沼气矿井、掘进工作面与回采工作面的电气设备应分开供电,局部扇风机实行风电沼气闭锁,沼气喷出区域、高压沼气矿井、煤与沼气突出矿井中,所有掘进工作面的局扇机械装设三专(专用变压器、专用开关、专用线路)二闭锁设施即风、电、沼气闭锁AbstractWith the rapid development of industrial and agricultural pr
7、oduction as well as urbanconstruction, the unreasonable allocation of water resource in San Shui District has becomemore and more serious with each passing day. The severity of the regional water environmentdeterioration has