The embodiment of the invention relates to an electric vehicle and a railway system. The invention provides an electric vehicle and a railway system which can restrain operation cost to be low. An electric vehicle (6) according to one embodiment is provided with: a first power converter (8) that converts a voltage value of system power to a predetermined voltage value and outputs the voltage value; a second power converter (10) that converts the voltage value of the output power of the first power converter (8) to a predetermined voltage value and outputs the voltage value to a motor; a third power converter (12) that converts the voltage value of the output power from the first power converter (8) to a predetermined voltage value and outputs the voltage value to an auxiliary machine; and a battery (9) charged by the output power of the first power converter (8) and discharged when the output power of the second power converter (10) and the third power converter (12) exceeds the upper limit of the output power of the first power converter (8).
本发明的实施方式涉及电动车以及铁道系统。本发明提供能够将运行成本抑制得较低的电动车以及铁道系统。一个实施方式的电动车(6)具备:第一电力转换器(8),将系统电力的电压值转换为规定的电压值并输出;第二电力转换器(10),将第一电力转换器(8)的输出电力的电压值转换为规定的电压值并输出到电动机;第三电力转换器(12),将第一电力转换器(8)的输出电力的电压值转换为规定的电压值并输出到辅机;以及蓄电池(9),通过第一电力转换器(8)的输出电力充电,在第二电力转换器(10)以及第三电力转换器(12)的输出电力超过第一电力转换器(8)的可输出电力的上限时放电。
Electric vehicle and railway system
电动车以及铁道系统
10.05.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |