IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
A Study on Outage Work Scheduling by Usine Hvnothesis-based Reasoning
Koji KawaharaTsuyoshi YamamotoHiroshi SasakiJyunji KubokawaHarumi Asahara
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1998 Volume 118 Issue 4 Pages 460-466

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Abstract

It is necessary for a power system to undertake maintenance works regularly to secure stable power supply, which inevitably cause outage of associated apparatuses. This problem, referred to as the outage planning of an electric power system, has been so far made based on experiences of planning engineers, However, the scheduling made by the engineers has not been necessary optimal since there are no rational criterion to judge the results. Furthermore, this problem belongs to a class of combinatorial optimization problems.
This paper presents a method for outage work scheduling by using hypothesis-based reasoning, The specific features of the proposed method can be summarized as follows: (1) the date and time of outage works is not needed for the scheduling, (2) planning engineers can make use of the knowledge on the combination of outage works, and (3) rescheduling for weather conditions and extra works is made so as to retain the original plan. The proposed method is applied to test cases with 24 merged outage works taken from a part of the 110kV transmission line system.

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