Denso Unveils EV Home Power Supply System

Japan’s Denso Corporation has announced a vehicle-to-home power supply for electric vehicles.

Designed to work with company’s own Home Energy Management System (HEMS), the new vehicle-to-home (V2H) arrangement is able to quick charge an EV’s battery pack by drawing current directly from the HEMS storage battery. In turn, the new V2H system can also transfer energy from the EV back to the house.

The V2H system has been designed so it can distribute electricity generated using the dwelling’s solar panel system to both the EV and the house.

Because quick charging an EV draws a substantial amount of energy, by integrating the V2H with the HEMS system, the new EV charger is able to replenish the vehicle’s battery pack without needing to rely on a dedicated charging device. Denso says that 15 minutes of quick charging will enable the EV to have range of around 12.4 miles.

In addition, to help best managing charging of both household appliances and the EV, as well as providing additional electricity capacity for local consumer use, excess energy generated by the house’s solar panel system can be stored either in the HEMS or EV itself, meaning it can be used immediately instead of being transferred to a utility company.

Denso’s new system was developed to coincide with the trend towards standardization of V2H and it has already begun testing the technology using EVs from Mitsubishi and Toyota.

Next year, the company plans to perform demonstration tests in an effort to find a practical way of using an electric vehicle or plug-in-hybrid as a key element in generating clean energy for home use.

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  • Ryan Cardozo

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  • mark clarke

    Try to avoid a quick charging because it takes lots of energy. This is really a great news that you are providing additional electricity capacity for local consumer use.
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  • jason carter

    Home energy management systems allow every point of the smart home to be connected and controlled from a central point, enabling power efficiency and energy optimization. A very efficient technology is used in this system.
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  • alicson katich

    The V2H system can quickly charge an EV with direct current from the HEMS storage battery and can supply the electricity which is the best part.
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  • tom richard

    DENSO’ s new system can quickly supply the electricity that is stored in the HEMS storage battery to the EV when charging at home, which doesn’t require a dedicated charging device. Within just 15 minutes of charge using the DENSO system, the EV can travel up to about 20 km
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  • dfhfg

    The new EV charger is able to replenish the vehicle’s battery pack without needing to Search Engine Optimisation Reading rely on a dedicated charging device. Denso says that 15 minutes of quick charging will enable the EV to have range of around 12.4 miles.

  • dfhfg

    The new EV charger is able to replenish the vehicle’s battery pack without needing to Search Engine Optimisation Reading rely on a dedicated charging device. Denso says that 15 minutes of quick charging will enable the EV to have range of around 12.4 miles.

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