NEC Corporation has recently introduced a groundbreaking technology that enables the remote and direct management of multiple stationary battery systems and pure electric vehicle (EV) batteries. This system allows for individual control over the charging and discharging processes of each battery, marking what is believed to be a world-first innovation. As renewable energy sources like solar and wind become more prevalent, their output can fluctuate rapidly due to weather changes, creating challenges in maintaining a stable power supply and demand balance. NEC’s new technology addresses this issue by enabling real-time adjustments to electricity consumption, helping to manage these fluctuations effectively.
The core of NEC’s solution lies in its ability to synchronize multiple batteries into a cohesive system designed to maintain power supply and demand equilibrium. This is achieved through two key components: “adaptive control software†that monitors and manages the status of each battery, and a “staged cooperative control system†that integrates network-based remote control with local battery management. Together, they allow for rapid adjustments—within seconds—regardless of how many batteries are involved.
The adaptive control software operates from the network side, tracking the condition of each battery and assigning optimal charge and discharge tasks. Meanwhile, the hierarchical coordination control system handles task allocation on a ten-minute basis. At the battery level, each unit runs its own control software, which continuously monitors the grid’s supply and demand balance and executes charge/discharge operations in real time, down to the second.
This integrated approach ensures that a large number of consumer batteries can be charged and discharged at the most efficient times, enhancing overall grid stability. As the global shift toward renewable energy accelerates, the need for a dynamic, real-time system to balance supply and demand becomes increasingly critical. Traditional methods involving scattered storage systems often struggle with synchronization, making it difficult to achieve seamless operation. NEC’s technology overcomes this challenge, paving the way for a more reliable and efficient energy future.
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