Japanese electric power utilities installed many electric power facilities for the increasing power demand in the high economic growth era. However these facilities have aged about 40 years and they should be replaced in the near future. The utilities will have to replace the facilities more than now at the same time because of the increase of the power facility replaces. Therefore the outage planning should take place more efficiently. However, to make the outage plan, it requires time and labor. Because the outage plan must determine 1 Outage schedule,2 Power system configuration during outage works and 3 System switching of the power system in order to conduct the outage works. To solve these problems, a fast outage planning method focusing on circuit breakers near the outage facilities is proposed in this paper. Finally, simulations are run using the IEEJ sub-transmission system model I to confirm the validity of the proposed method.
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