A dual-source power supply system and a dual-source power engineering vehicle
A technology of power supply system and power supply switching, applied in electric vehicles, battery/battery traction, motor vehicles, etc., can solve problems such as low efficiency, power consumption, and inability to meet the national railway power supply system, and achieve high efficiency and high reliability , the effect of meeting the requirements of low emission and environmental protection
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[0036] The core of the present invention is to provide a dual-source power supply system and a dual-source electric engineering vehicle, which will not emit polluting gases, thereby meeting the low-emission environmental protection requirements of urban rails; moreover, the dual-source power supply system of the application is applicable to There are two power supply modes of catenary and traction battery, and automatic switching between the two power supply modes can be realized. Therefore, when there is an area with electricity, the application can choose the catenary power supply mode (satisfies the national railway power supply system, AC-DC-AC power supply system), which is relatively power-saving and efficient; Application can be switched to traction battery power supply mode, and the electric engineering vehicle can still work normally with high reliability.
[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present inven...
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