The invention relates to the technical field of train power supply, and particularly discloses a voltage control system of a double-current system rail transit vehicle. The system comprises a power receiving part, an alternating current processing part, a direct current processing part and a traction part. The power receiving part comprises a pantograph, an alternating-current high-voltage electric appliance box and an alternating-current and direct-current conversion switch; the direct current processing part comprises a direct current fuse box, a direct current high-voltage electrical appliance box and a filter reactor box; the alternating current processing part comprises an alternating current fuse and a traction transformer; the traction part comprises a traction converter box; a first end of the alternating-current and direct-current conversion switch is connected with the alternating-current high-voltage electrical appliance box, and a second end of the alternating-current and direct-current conversion switch is used for being connected with the direct current fuse box when the supplied power is a direct current; and when the power supply is an alternating current, the traction transformer is connected. According to the technical scheme, the traffic vehicle can be switched between direct-current power supply and alternating-current power supply.
本发明涉及列车供电技术领域,具体公开了一种双流制轨道交通车辆的电压控制系统,包括受电部分、交流处理部分、直流处理部分和牵引部分;受电部分包括受电弓、交流高压电器箱和交直流转换开关;直流处理部分包括直流熔断器箱、直流高压电器箱和滤波电抗器箱;交流处理部分包括交流熔断器和牵引变压器;牵引部分包括牵引变流器箱;交直流转换开关的第一端与交流高压电器箱连接,交直流转换开关的第二端用于在供电为直流电时,与直流熔断器箱连接;在供电为交流电时,与牵引变压器连接。采用本发明的技术方案交通车辆能够在直流电供电以及交流电供电间切换。
Voltage control system of double-current system rail transit vehicle
一种双流制轨道交通车辆的电压控制系统
2021-07-16
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen |
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