The utility model discloses a do net power supply system joins in marriage in community, this system include that n joins in marriage net power supply, n section ac bus, n or (n 1 )Individual interchange bus connection switch, the two -way DCAC converter of n platform, 1 section dc bus and energy storage system, can n section ac bus pass through (n 1 )Individual bus connection switch connects gradually, the AC end of a n two -way DCAC converter meets n section ac bus respectively, and same dc bus is gone into to the DC termination, energy storage battery inserts the dc bus through two -way DCDC converter among the energy storage system, wherein, n is integer and n >= 2. The utility model discloses utilize the dc bus interconnection, the ring operation is closed to the flexibility that forms between many powers, dispose energy storage system simultaneously, promote and join in marriage the capacity and the reliability of netting power supply system, thereby one set of initiativeization, intelligent net power supply system joins in marriage in community have been formed.