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A Study on Characteristic for a Maximum Utilization Factor of Transformer with Regard to Load Characteristics in General Customers

일반용전력사용고객 용도별 부하특성을 고려한 변압기최대이용률 비교 특성 연구

  • Published : 2009.12.31

Abstract

This paper shows a reasonable contract power conversion factor, that was made by the systematic and statistical way considering actual conditions, such as investigated contract power and peak power for the last 5 years of each customer for 461 general customers as to AMR. In this dissertation, it is necessary to analyze the key features and general trend from the investigated data. It made an analysis of the feature parameters, such as average, standard deviation, median, maximum, minimun and thus it was carried by the linear and nonlinear regression analysis. Therefore, this paper compared characteristics for a contract power conversion factor which is applied to estimate contract power with characteristics for a regression model for customers(office, store, hotel, hospital, wedding hall) which maximum utilization factor of transformer is more than 60[%].

계약전력 산정 방법에서 계약전력 환산율은 전력용변압기의 용량을 산정하는데 매우 중요한 기준이다. 본 연구에서는 AMR(자동검침시스템) 시스템에 의해 일반용전력사용고객(사무실, 상가, 호텔, 병원, 예식장, 기타)을 대상으로 각 수용가의 계약전력과 최근 5년 동안의 최대전력을 조사하였다. 조사된 자료의 전체 특징과 중심적인 경향을 알아 보기 위해서 평균값 등의 특징파라미터를 분석하였고, 회귀분석을 통한 선형적인 방법과 비선형적인 방법으로 그 경향을 분석하였다. 계약전력환산율과는 용도별로 다른 특성을 나타내고 있음을 확인하였으며, 전기사용고객의 특성을 고려한 계약종별 기준에 대한 체계적인 검토가 필요하다.

Keywords

References

  1. 전기공급약관, 한국전력공사, 2007
  2. 일본 전기공급약관, 동경전력(주), 2007
  3. 김세동, 왕용필, 일반용전력사용고객의 변압기최대이용률과 계약전력환산율 기준과의 비교특성 연구, 한국조명전기설비학회, Vol.22, No.5, pp.80-85, 2008

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