The invention discloses an electric traction system of a double current system inter-city vehicle. The electric traction system comprises an inverter unit, an alternating-current power supply circuit and a direct-current power supply circuit, wherein the inverter unit is used for converting direct-current power to a variable-frequency variable-voltage power supply to be supplied to a traction motor so as to drive the motor to work; the alternating-current power supply circuit comprises an alternating-current pantograph, a transformer and a rectifier, the alternating-current power is subjected to the current collection through the alternating-current pantograph, after the voltage is decreased by the transformer, the alternating-current power is supplied to the rectifier, the alternating-current power is converted by the rectifier to the direct-current power, and the direct-current power is supplied to an intermediate direct-current circuit of the inverter unit; the direct-current power supply circuit comprises a direct-current pantograph, a direct-current high-voltage electric appliance cabinet and a circuit filter electric reactor, the direct-current power is subjected to the current collection through the direct-current pantograph, the direct-current power flows through the direct-current high-voltage electric appliance cabinet and the circuit filter electric reactor, and then the direct-current power is connected to the intermediate direct-current circuit of the inverter unit. The electric traction system has advantages of simplicity in structure, high universality, good passenger carrying capability, and the like.
Electric traction system of double current system inter-city vehicle
2015-05-27
Patent
Elektronische Ressource
Englisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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