isolated island
5.With DCS applied at intelligent building as example, shows that it is more evident in economic profit and stronger in management function after overcoming the phenomenon of isolated island and the distributed control is a kind of very effective tool in realizing integration of management and control.
6.Constructing power generation-consumption system of the same voltage level within the zero-earth-potential ground grid protects the personnel working in the grid from electric shock casualties,dispenses with specific requirement on the earth resistance value,and dose not entail large-scale tunneling,which is most suitable for independent and self-provided generation-consumption combined ground grid for the garrison on an isolated island.


