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Chapter 16: Electric Vehicle Charging > 16.2 Use Cases
16.2 Use Cases
16.2.1 Basic Use Cases
The basic use case is, of course, the charging of the EV battery. The battery of a plug-in hybrid electric vehicle (PHEV) has a capacity of typically 5 to 6 times the capacity of a hybrid electric vehicle (HEV). The capacity of the battery of pure battery electric vehicles (BEV) is 3 times or more that of PHEVs (see Figure 16.13).
Figure 16.13 Typical battery capacity and charging time of EVs.
In order to allow for reasonable charging times, the charging power and current is typically 16 A or more. For an isolated home, this is enough to require load management and limiting in order to avoid simultaneous use of other high-power appliances, such as electric heating and sanitary water, electric ovens, and so on. In a residential complex, the simultaneous charging of several plug-in vehicles will also require careful synchronization of management in order to ensure fair charging of all vehicles, without exceeding the power limits of the connection between the building and the utility grid.
