Tandem type hybrid power electric drive system
An electric drive system, hybrid technology, applied in the electrical field, can solve the problems of heavy peak power supply, limited performance and practical design, and achieve the effect of low cost
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[0027] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0028] Such as figure 2 Shown is a schematic structural diagram of a series hybrid electric drive system provided by an embodiment of the present invention, the system includes: engine / generator power supply module 1, peak power supply 2, traction motor 3, motor drive device 4 and DC - DC converter 9 . The power supply voltage output end of the engine / generator power supply module 1 is electrically connected to the voltage input end of the motor drive device 4 to form a DC bus; the voltage output end of the motor drive device 4 is electrically connected to the power supply voltage input end of the traction motor 3; the peak power supply 2 It is connected to the DC bus through a DC-DC converter 9 , that is, one voltage input / output terminal of the DC-DC...
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