engleski

Battery Pack Design Problems – EMC Problems Caused by Transverse Magnetic Field

The battery pack as source of energy is an essential part of electric vehicles (EV), so its design significantly influences EV drive characteristics and consequently possible EMC problem due to energy flows inside EV. Power electronic devices control inside EV energy flows using high-frequency power electronic components that cause the appearance of high harmonics super-imposed on DC component of the battery current. Design of the battery pack requires, as objective for a safe and reliable energy source, must not introduce an excessive electromagnetic disturbance to anything in that environment. Under EMI/EMC definitions especially are emphasize inductive coupling in electric circuits and capacitive coupling. This paper examines the influence of the distribution of the transversal magnetic field inside of the battery pack depending on battery pack design and its influence on battery parameters.

battery pack desgin ; EMC problems ; inductive coupling ; transverse magnetic field

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