The Smart Grid concept is a next-generation power grid in which the electric power flow is controlled flexibly by fully utilizing the latest information technologies. It monitors the condition of electricity consumption and generation, balancing "demand" and "supply," at a time when demand and supply will further diversify due to the installation of EV/PHEV, wind power generation, etc to power grid.
Hitachi owns a wide range of information/communications and control technologies that will be required for the development of Smart Grids. These include communication technology for advanced metering infrastructure and grid stabilizing technology to mitigate any negative impact on the grid such as unstable renewable energy. Hitachi can achieve this with technologies in both the power/electric and information/communications fields.
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DMS：Distribution Management System
BEMS：Building and Energy Management System
CEMS：Community Energy Management System
FEMS：Factory Energy Management System
HEMS：Home Energy Management System
AMI：Advanced Metering Infrastructure
MDM：Meter Data Management
PCS：Power Conditioning System
SVC：Static Var Compensator
PV：Photovoltaic
EV：Electric Vehicle
PHEV：Plug-in Hybrid Electric Vehicle
