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Ishii Y.,System Platforms Research Laboratories | Shizuno T.,System Platforms Research Laboratories | Kogure J.,System Platforms Research Laboratories | Itabashi N.,System IP Core Research Laboratories | And 2 more authors.
NEC Technical Journal

NEC has developed a Battery & Charger Integration System (BCIS) to support the burgeoning infrastructure for electric vehicles (EVs). The system controls several quick chargers and large capacity stationary batteries and thereby enables charging time reductions and peak charging power reductions while simultaneously charging multiple EVs. By conducting field trials as part of the Yokohama Smart City Project (YSCP) while linking with the Community Energy Management System (CEMS), we are aiming to examine how much BCIS can contribute to the demand and supply adjustment for community. This paper introduces an outline of the BCIS and of its field trials. Source

Natsugari R.,Public Utility Solutions Division | Hirano T.,Public Utility Solutions Division
NEC Technical Journal

Since 2006, NEC has been a participant in a project reviewing the possible automation of meter reading by power utility companies, aimed at developing and validating a communication method for so-called smart meters. Automated meter reading started out as a way of improving the power utility company's meter reading efficiency, however together with heightened interest in smart grids today, expectations are high for its future potential applications. This paper discusses the scope of NEC support in regards to the validation project until now, as well as efforts toward utilization of smart meters in the future. Source

Kikuchi K.,Public Utility Solutions Division | Suetsugu T.,Public Utility Solutions Division | Satou T.,Public Utility Solutions Division | Hamada U.,Public Utility Solutions Division
NEC Technical Journal

Interest in HEMS (Home Energy Management System) is growing as a technological solution to achieving energy supply stabilization and greenhouse gas reduction. NEC has been involved in the experimentation and verification of HEMS, such as measuring the impact of "visualization." Based on these results, NEC developed the HEMS Solution and began marketing it from July 2011. This paper introduces our efforts until now, the characteristics of the solution, and its future possibilities. Source

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