Toyota Motor Corp. announced June 4 that it has developed a vehicle-to-home (V2H) system for the mutual sharing of power between electric-powered vehicles, such as plug-in hybrid vehicles, electric vehicles and homes.
Toyota will begin testing the V2H system, using Prius PHVs, at the end of 2012 in 10 households as part of the Toyota City Low-Carbon Verification Project, which began in April 2010.
The newly developed V2H two-way electric power supply system can supply power from home to vehicle as well as from vehicle to home.
An AC100 V inverter onboard the Prius PHV converts stored power into AC power suitable for home use, while power flow is controlled according to communication between vehicle, charging stand and the home.
With this new method, low-carbon electricity generated from regional or home solar generators, or low-cost late night electricity, can be stored in a vehicle's drive battery and then used to supply power to the household during peak consumption times.
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