Ground battery and super capacitor hybrid energy storage system and management method thereof
A hybrid energy storage system, supercapacitor technology, applied in the direction of power management, battery/battery traction, battery/fuel cell control devices, etc., can solve the disadvantageous battery and supercapacitor energy storage advantages, energy waste, braking resistance and Frequent air brake activation, etc.
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[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] see Figure 1-8, a ground-type battery and supercapacitor hybrid energy storage system and its management method are characterized in that the following steps are performed:
[0042] Step 1) adopting the energy flow of the urban rail transit traction network of HESS;
[0043] The battery and supercapacitor are connected in parallel on the DC bus through a bidirectional DC / DC converter, and the energy flow is when the train is in traction and braking co...
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