| 摘要 |
PROBLEM TO BE SOLVED: To provide an LC filter for preventing inverter control from being affected even when the capacity of a filter capacitor is increased.SOLUTION: Power converter for rolling stocks includes a gate control circuit for supplying a gate signal to a semiconductor element, and a filter capacitor connected to a DC terminal of a power conversion circuit for smoothing a DC current. A separate capacitor for preventing false detection of a track circuit is connected to the power converter with an impedance not less than a certain value. In the power converter, the semiconductor element and the filter capacitor are stored in a common casing, and the filter capacitor and the semiconductor element are fixed mutually to form an integral structure. The LC filter circuit having no influence on the inverter control is provided. |
