Browse Publications Technical Papers 2020-28-0013
2020-04-30

High Voltage Battery durability enhancement in electric mobility through 1D CAE 2020-28-0013

The public transport in India is gradually shifting towards electric mobility. Long range in electric mobility can be served with High voltage battery (HVB), but HVB can sustain for its designed life if it’s maintained within a specific operating temperature range. Appropriate battery thermal management through battery cooling system (BCS) is critical for vehicle range and battery durability This work focus on two aspects BCS sizing and coolant flow optimization in Electric bus. BCS modelling was done in 1D CAE by using KULI software from M/s Magna Steyr. The objective is to develop a model of battery cooling system in virtual environment to replicate the physical testing. Electric bus contain numerous battery packs and a complex piping in its cooling system. BCS sizing simulation was performed to keep the battery packs in operating temperature range. Iterations were carried out to maintain uniform flow at the battery packs as well as to sustain target coolant flow requirement in order to maintain thermal uniformity across the battery packs 1D simulation is vital when it comes to analyzing complex systems at vehicle concept development stage. Appropriate sizing of BCS could result in maximizing the range of the electric vehicle, prolong battery lifespan, and enhance the durability in major sense.

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