Energy storage battery performance evaluation method of photovoltaic power generation system
A photovoltaic power generation system and energy storage battery technology, applied in the electric power field, can solve the problems of photovoltaic battery power drop, insufficient consumption of power distribution network, reverse power flow, etc., and achieve the stability of grid connection, ensure accuracy and stability effect of work
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[0023] figure 1 It is a flow chart of the present invention. As shown in the figure, in this application, the energy storage battery is a lithium battery. Generally speaking, the use cost of a lithium iron phosphate battery is the lowest among lithium batteries; a photovoltaic power generation system provided by the present invention The performance evaluation method of energy storage battery includes the following steps:
[0024] S1. Collect the evaluation parameters of the energy storage battery of the photovoltaic power generation system;
[0025] S2. Construct the evaluation model of the energy storage battery of the photovoltaic power generation system. The load state model and the cycle number model of the energy storage battery, and the performance index of the energy storage battery according to the collected evaluation parameters; through the above method, the energy storage battery can be measured Under the influence of the electronic converter of the photovoltaic power ...
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