Railway engineering machine hybrid power source system
A power source system, railway engineering technology, applied in electric traction, electric vehicle, AC induction motor traction, etc., can solve the problems of environmental pollution, complex maintenance of internal combustion hydraulic power mode, hydraulic oil leakage, etc., to shorten the conversion time , Improve work efficiency and reduce workload
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[0035] Example 1
[0036] As attached figure 1 As shown, a specific embodiment of a hybrid power source system for railway engineering machinery includes: a hybrid power source 10 and a converter 20 connected to the hybrid power source 10, and the hybrid power source 10 is used for the vehicle through the converter 20 Electric equipment (including traction, brake air compressor, hydraulic pump voltage, traction motor 30, etc.) supply power. The hybrid power source 10 further includes a main power source 100 and an auxiliary power source 200. The electric energy from the main power source 100 or the auxiliary power source 200 is transformed and processed by the converter 20 and then converted into electric energy required by the electrical equipment of the vehicle. In this embodiment, the railway engineering machine 1 is equipped with a catenary power source and an auxiliary power source (a super capacitor 15 or a battery pack 17 can be used) 100. After electric energy conversion ...
Example Embodiment
[0038] Example 2
[0039] As attached figure 2 As shown, on the basis of embodiment 1, the auxiliary power source 200 is further a super capacitor power source. When the electrical connection between the railway construction machine 1 and the catenary 11 is disconnected, or the catenary 11 cannot continue to supply power, the super capacitor is used The power source supplies power to the entire vehicle's electrical equipment. When it is necessary to switch between the two power sources, the catenary power source and the super capacitor power source simultaneously supply power to the electric equipment of the vehicle during the switching process. The main circuit of the catenary power plus super capacitor hybrid power source includes two modes of catenary power supply and super capacitor power supply. It takes power from the catenary 11 or the super capacitor 15 and supplies power to the traction motor 30 after a series of transformations. Among them, the supercapacitor 15 has m...
Example Embodiment
[0044] Example 3
[0045] As attached image 3 As shown, on the basis of Embodiment 1, the auxiliary power source 200 is further a battery pack power source. When the electrical connection between the railway construction machine 1 and the catenary 11 is disconnected, or the catenary 11 cannot continue to supply power, the battery pack is used The power source supplies power to the electrical equipment of the vehicle, and the battery pack 17 can be a lithium battery pack. When it is necessary to switch between the two power sources, the power source of the catenary and the power source of the battery pack simultaneously supply power to the electrical equipment of the vehicle during the switching process. The main circuit of the catenary power plus battery hybrid power source includes two modes of catenary power supply and battery power supply. It takes power from the catenary 11 or the battery pack 17 and supplies power to the traction motor 30 after a series of transformations. ...
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