Nobody knows the future of Smart Grids, therefore separate the essentials in the secondary system

摘要: The electrical infrastructure will face great challenges with the coming energy transition to a sustainable and differentiated supply system. Although existing grid is of reasonable age we believe that introduction advanced secondary system technology prolong utilization current shape it become flexible Smart Grid at acceptable cost. A visionary design be presented fully enables future needs without redoing main part work in systems when new requirements arise. (5 pages)