New lithium battery pack virtual power
CellMod™ is the first lithium-ion virtual battery capable of predicting cell and pack behavior, including thermal behavior, with an accuracy of better than 97 percent under a wide range of test conditions.
4 FAQs about New lithium battery pack virtual power
What is a virtual battery pack?
The virtual battery pack also includes a lumped thermal model to comprehensively describe the behaviors of the battery, including the electrical performance and the thermal variations [ 27 ]. The parameters of the electrical model are highly dependent on the temperature, and the electrical behavior of the battery generates heat.
What is a virtual battery?
The virtual battery is a power source that can simulate the charging and discharging characteristics of a battery pack under different operating conditions. Hence, the key step for a virtual battery pack to be able to replace the actual battery pack for the testing of a BMS is to establish an accurate model.
Can a lithium iron phosphate model reproduce a real battery pack?
The developed lithium iron phosphate model features low computational efforts and is experimentally validated with different dynamical profiles, implying a high-precision virtual battery pack that is capable of reproducing the actual one.
Is a virtual battery pack based HIL platform suitable for BMS state estimation?
In this paper, a virtual battery pack-based HIL platform is developed to achieve the fully automated testing and evaluation of the BMS state estimation algorithm. First, a lithium iron phosphate battery pack model connected in series is established. It is suitable for virtual batteries and relies on the Copula method.
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The developed lithium iron phosphate model features low computational efforts and is experimentally validated with different dynamical profiles, implying a high-precision virtual battery
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