Storage battery and super capacitor hybrid power supply applied to pulse current loads
A supercapacitor, pulse current technology, applied in battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of passive structure composite power supply, the effect of passive structure is not obvious, the load performance is affected, and the terminal voltage changes greatly, and it is easy to package. and integration, less quantity, smoothing effect of discharge current
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0023] The structure of a composite power supply of a storage battery and a supercapacitor applied to a pulse current load of the present invention is as follows: figure 1 As shown in the figure, for the storage battery; is the internal resistance of the battery; for the supercapacitor, is the internal resistance of the supercapacitor; For the pulse current load. The battery is connected in parallel with the supercapacitor through a bidirectional DC-DC power converter. Due to the current conversion effect of the power converter, the charging and discharging current of the battery can be controlled, thereby improving the performance of the composite power supply. According to the actual situation, the power converter can be set to step-down and step-up to match the voltage of the battery and the supercapacitor.
[0024] The decomposition diagram of ...
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