JUDGING DEVICE FOR PROTECTOR'S NON TRIPPING REVIEW POINT OF DISTRIBUTION NETWORK WITH DISTRIBUTED GENERATION

摘要

The present invention relates to a system information collecting unit for collecting system information on a distribution system connected to a distributed power source from a distribution automation system, a system information collecting unit for collecting system information collected by the system information collecting unit, and symmetry fractional% The terminal information is stored in an information storage unit, the system information collected by the system information collecting unit is analyzed, each section is searched for each distribution line to designate a terminal node for each distribution line, and the terminal node is designated from the breaker of the distribution line A computation section for reading the symmetric fractional impedance of each section constituting each linear path up to the end node from the information storage section and judging the minor motion review point of the protective device among the end nodes through the symmetry fractional impedance of each section per linear path [0015] FIG.