Automatic?drainage system of transformer substation

The utility model provides an automatic?drainage system of transformer substation, including first suction pump (M1), second suction pump (M2), suction pump major loop (L1), float switch direct current control circuit (L2) and suction pump exchange control circuit (L3), first suction pump (M1) and second suction pump (M2) are all connected on suction pump major loop (L1), float switch direct current control circuit (L2) is including the rectifier bridge, auxiliary relay (KA) and float switch (QF), suction pump AC control return circuit (L3) is including stop button (SB1), the first water pump activation button (SB2) of taking out, water pump activation button (SB3) is taken out to the second, an ac contactor (KM1) and the 2nd ac contactor (KM2). The utility model discloses an automatic?monitoring water level is opened automatically and is closed, and the drainage is efficient, electronic components all encapsulate in the control box, can guarantee the steady operation of equipment. 本实用新型提供了种变电站自动排水系统，包括第抽水泵（M