| 摘要 |
PROBLEM TO BE SOLVED: To quickly and appropriately identify a cause range of electric leak without manual work in an electric power system using a small-output power generation facility.SOLUTION: An electric power system 100 comprises an electric power meter 112 connected to an electric power system owned by an electric power company via a lead-in wire, a distribution board 114 connected to the electric power meter, a small-output power generation facility 116 connected to either of a plurality of branch circuits of the distribution board and located in a range excluding a general electric structure on which the electric power company is responsible for investigation, an ammeter 118 for measuring a value of leak current flowing between the distribution board and the small-output power generation facility, and an electric leak determination part 130 for determining whether electric leak occurs according to a measurement result of the ammeter.SELECTED DRAWING: Figure 1 |
