Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Development of the voltage management recorder using o dual-slope A/D converter for power distribution lines

Dual-slope A/D 변환을 이용한 배전선 전압관리용 계측기 개발

  • 손수국 (수원대학교 정보통신공학과)
  • Published : 2002.09.01
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Abstract

This paper describes the development of a new voltage recorder for the voltage management of power distribution lines. The voltage characteristics and measurement problems for the power distribution lines are analyzed and the functions required for the recorder are discussed. Applying a dual-slope A/D converter with low noise characteristics the voltage measurement algorithm, design and implementation for the recorder are discussed. Finally, the voltage variations of long-duration over-voltages or under-voltages, and short-duration temporary interruption based on IEEE 1159 are analyzed. It is verified with the experiment.

본 논문에서는 배전선의 전압관리를 위한 계측시스템의 개발에 관하여 제안한다. 배전선 전압특성 및 측정상의 문제점이 분석되고, 전압관리를 위한 계측기의 기능에 대하여 제안한다. 노이즈 특성이 좋은 이중기울기(dual-slope) 방식의 A/D 컨버터를 적용하여 전압측정을 하는 알고리즘과 배전선 전압관리계기의 개발에 관하여 제안한다. IEEE 1159기준 분석에 따른 배전선의 정전 및 복귀 와 규정전압 초과 빈도 수 같은 전압변동 특성 등이 데이터베이스 제안에 의하여 분석된다. 실험을 통하여 그 편리성이 증명된다.

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