Development of Distribution Transformer with Condition Monitoring Sensors and Data Processing Unit

상태감시용 센서를 내장한 배전용 변압기 및 데이터 처리장치 개발

This paper presents a design methodology of a distribution transformer with condition monitoring sensors and its data processing unit. The proposed distribution transformer includes various type of condition monitoring sensors such as load current/voltage, temperature and heat aging of insulating oil. The data processing unit is installed at the distribution transformer site. It integrates sensed data and transmits these to a central server system. The proposed distribution transformer and its data processing unit will help an on-line condition monitoring system for distribution transformers.