Lithium iron phosphate battery modeling and SOC estimation method considering capacity loss
A lithium iron phosphate battery, capacity technology, applied in the direction of measuring electricity, measuring electrical variables, CAD numerical modeling, etc., can solve the problem of expensive battery energy storage
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[0068] The modeling and SOC estimation method of the lithium iron phosphate battery considering the capacity loss of the present invention will be further described below using the drawings and examples.
[0069] A lithium iron phosphate battery modeling and SOC state estimation method considering battery capacity loss of the present invention comprises the following contents:
[0070] 1) Mathematical model of equivalent circuit of lithium iron phosphate battery
[0071] Since the energy storage of lithium iron phosphate battery is an electrochemical reaction process, it is difficult to use conventional physical models to describe it in detail. The modeling of the energy storage system should be based on its application scenarios. Simple models will not be able to reflect the characteristics of lithium iron phosphate batteries. An overly complex model may greatly increase the complexity of the solution and application of the control strategy. Currently, more modeling methods a...
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