Efficiency calculation model and optimization method for pure electric vehicle composite power system
A pure electric vehicle, system efficiency technology, applied in the field of efficiency calculation model and optimization of pure electric vehicle composite power supply system, can solve the problems of large power demand, shortening, low energy efficiency, etc., to prolong battery life, increase driving range, The effect of improving system efficiency
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[0039] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.
[0040] Such as figure 1 As shown, a pure electric vehicle composite power system efficiency calculation model based on MATLAB, including: battery model 1, working mode logic judgment model 2, demand power generation model 3, system efficiency calculation model 4, super capacitor and DC / DC inverter The battery model 5; the battery model 1 is used to calculate the power loss of the battery under different working conditions; the working mode logic judgment model 2 is used to distribute the power flow of the system; the system demand power model 3 is used to provide road surface The required power is input as the system; the system efficiency calculation model 4 is used to summarize the power consumption of each model of the system to calculate the system efficiency η; the supercapacitor and DC / DC inverter model 5 are used to calculat...
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