Patent ID: 8836161
Filing Date: 2014-09-16
Classification: B60L,B60M,Y02T

Abstract:
1. A rolling stock system, comprising: a power collector, connected to a primary winding of a transformer, which collects a first AC power from an overhead wire, a first power conversion unit, connected to a secondary winding of the transformer, which, based on the first AC power, generates a second AC power for driving a motor, a second power conversion unit, connected to a tertiary winding of the transformer, which, based on the first AC power, generates a third AC power to be supplied to an auxiliary device, a detector which detects a voltage of the overhead wire; and a power storage connected to at least one of the first power conversion unit and the second power conversion unit; wherein, after no power is detected, the first AC power is collected by the power collector when a phase and voltage level of the first AC power detected by the detector is synchronized with a phase and voltage level of a power supplied to the transformer, via the first power conversion unit or the second power conversion unit, from the power storage.