Plug-in electric vehicles (PEVs) represent a large new load class for the distribution system. Though many intelligent charging methods have been proposed for PEVs, the models that have been previously used for simulating PEV charging are overly simplistic. In this work a multistate ZIP model of PEVs is discussed and formulated. A Nissan LEAF is also modeled in detail. Simulations show why the more detailed models are required for proper PEV charging impact analysis.
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