Wandlereinrichtung für elektrische Energie für elektrische Schienenfahrzeuge

摘要

An electric power transforming apparatus for an electric rolling stock comprises a power transformer (41, 42) including a plurality of switching elements (40) for controlling an induction motor (53) for driving the electric rolling stock, cooling device for cooling the power transformer (41, 42), a heat receiving panel (10) having the switching elements (40) mounted thereon and a cooling liquid passageway formed inside, a heat exchanger (12) for exchanging heat between the cooling liquid from the heat receiving panel (10) and air, a pump (11) for circulating the cooling liquid between the heat receiving panel (10) and the heat exchanger (12), and blower for sending cooling air to the heat exchanger (12), wherein the heat receiving panel (10), the heat exchanger (12), the pump (11) and the blower are installed under the floor of the electric rolling stock, the heat exchanger (12) being disposed adjacent to one side of the electric rolling stock, the blower being arranged so that the cooling air is taken in from the other side of the rolling stock where the heat exchanger (12) is not disposed and discharged from the one side where said heat exchanger (12) is disposed.