Patent ID: 6477965
Filing Date: 2002-11-12
Classification: B60L,H02M,H05K

Abstract:
A railway vehicle power conversion device comprising:a box suspended under a floor of a vehicle; an airflow passage having an L-shaped transverse cross section formed in said box, said air flow passage including an air inlet side having an inlet port formed on one side of said box and an exhaust side having an exhaust port formed on another side of said box; and a power conversion device included in said box, said power conversion device comprising: a semiconductor power conversion cooling unit having a heat-radiating part projecting into said air inlet side of said air flow passage; a pair of smoothing reactors included in said exhaust side of said air flow passage; and a pair of electrically driven fans for cooling said smoothing reactors, said electrically driven fans being arranged adjacent to an air inlet side of said smoothing reactors.