배전계통 공급방식의 신뢰도 평가
Evaluation of the reliability of distribution system
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Abstract : Recently, each power company in the world is looking into the method of determining the distribution system supply method suitable for each load characteristic in terms of improving the urban landscape and fire resistance. First, they propose a system supply method applicable to each region, design each proposed system supply method, and compare/analyze the economic feasibility and reliability, etc. to select the most suitable distribution supply method. However, since the calculation method for the economic feasibility and reliability evaluation items is slightly different in each country, it is difficult to apply it uniformly. In other words, in order to accurately evaluate the economic feasibility and reliability index, the calculation of the power outage time, the number of consumers who experience power outages, and the power outage cost for consumers must be set according to the characteristics of each country, and the same logic is required for the economic feasibility item. However, in the case of Korea, not only has the standard for evaluating the economic feasibility and reliability of each distribution system supply method not been clearly established, but there is also no standard for the calculation method for evaluating each economic feasibility and reliability element. Therefore, in order to solve such problems, this paper first proposes a distribution system supply method suitable for our country and newly presents an algorithm for a reasonable reliability evaluation of these system supply methods. In addition, the reliability of each system supply method was compared and analyzed through case studies.
Abstract
Abstract : Recently, each power company in the world is looking into the method of determining the distribution system supply method suitable for each load characteristic in terms of improving the urban landscape and fire resistance. First, they propose a system supply method applicable to each region, design each proposed system supply method, and compare/analyze the economic feasibility and reliability, etc. to select the most suitable distribution supply method. However, since the calculation method for the economic feasibility and reliability evaluation items is slightly different in each country, it is difficult to apply it uniformly. In other words, in order to accurately evaluate the economic feasibility and reliability index, the calculation of the power outage time, the number of consumers who experience power outages, and the power outage cost for consumers must be set according to the characteristics of each country, and the same logic is required for the economic feasibility item. However, in the case of Korea, not only has the standard for evaluating the economic feasibility and reliability of each distribution system supply method not been clearly established, but there is also no standard for the calculation method for evaluating each economic feasibility and reliability element. Therefore, in order to solve such problems, this paper first proposes a distribution system supply method suitable for our country and newly presents an algorithm for a reasonable reliability evaluation of these system supply methods. In addition, the reliability of each system supply method was compared and analyzed through case studies.