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Due to advancement of computer technologies, the application of
the GIS for utilities to perform the automated mapping and
facility management by using the workstation becomes feasible.
Therefore,the GIS have become the important trend of
distribution automation by integrating the distribution
information system for the electric utility. In this paper,the
relative structure and facility attribute database of GIS
software has been developed.The transformers,switches,feeders
and many key customer of TPC distribution system are created
with attribute data in GIS system, according to the practical
geography position by to street background. The network
connectivity trace subroutine has been developed to support
various application functions of facility management. Should
the system fault occurs, the fault point can be identified very
effectively and displayed in the monitor of the GIS system.
First, the faulted region has to be isolated. According to the
switch current estimated by feeder current and the different
load region, the dispatcher''s manual experience and heuristic
search method are then applied to decide the service
restoration plan. The corresponding message can also be shown
on GIS screen (e.g., switching, switch current, load transfer
region etc.,) to remind the operators to confirm the proper
switching operation proposed. It is concluded that the
automated distribution system can be achieved by using the AM/
FM system to enhance the power system reliability and operation
efficiency.
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