Charge-depleting
Charge-depleting is a term used in the field of electric vehicles and hybrid vehicles to describe the mode of operation during which the vehicle is primarily using the energy stored in its battery pack. This mode is also known as the all-electric mode or EV mode.
Overview[edit | edit source]
In a charge-depleting mode, the vehicle uses the energy stored in the battery pack to power the electric motor and move the vehicle. This mode is typically used for short trips and low-speed city driving. The vehicle switches to this mode when the battery pack has sufficient charge and the driving conditions are suitable.
The advantage of the charge-depleting mode is that it allows the vehicle to operate with zero tailpipe emissions. However, the range of the vehicle in this mode is limited by the capacity of the battery pack. Once the battery pack is depleted, the vehicle switches to the charge-sustaining mode, where the internal combustion engine or a generator is used to provide power.
Battery Pack[edit | edit source]
The battery pack in an electric or hybrid vehicle is a key component that determines the vehicle's range in charge-depleting mode. The battery pack is made up of individual battery cells that are connected in series and parallel to achieve the desired voltage and capacity.
The capacity of the battery pack is measured in kilowatt-hours (kWh), and it determines the energy available for the vehicle to use in charge-depleting mode. The higher the capacity of the battery pack, the longer the vehicle can operate in this mode.
Charge-depleting vs Charge-sustaining[edit | edit source]
In contrast to charge-depleting mode, charge-sustaining mode is a mode of operation where the vehicle primarily uses an internal combustion engine or a generator to provide power. This mode is used when the battery pack is depleted or when the driving conditions require more power than the battery pack can provide.
While charge-depleting mode allows for zero-emission driving, charge-sustaining mode provides a longer range and the ability to refuel quickly using traditional fueling stations.
See also[edit | edit source]
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