- Volume 12 Issue 12
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A study on sensing for abnormality of BUS BAR in motor control center
모터컨트롤센터의 BUS BAR 이상 감지를 위한 실험적 연구
- Kim, Sung-Dae (Department of Electrical Engineering, Tongmyong University)
- 김성대 (동명대학교 전기공학과)
- Received : 2011.11.02
- Accepted : 2011.12.13
- Published : 2011.12.31
The study mainly aims to explore how deterioration of motor control center, namely MCC, and vibration put impact on temperature of bus bar as well as temperature change of bolt-nut joint. The motor control center consists of three internal parts (i.e. R, S, T) which are for motor operation of high capacity. Two dimensional mechanism for measuring temperature was designed and manufactured with infrared temperature sensor. Installing it in inner motor control center enabled researcher to monitor temperature of bus bar as well as amount of change of current regularly. Temperature change of bus bar according to load was primarily examined based on a bolted joint in the experiment. It was clearly verified that temperature change of bus bar was proportional to current consumption. Therefore, installing non-contact two dimensional mechanism for measuring temperature in motor control center would be expected to prevent temperature rise owing to overload current and power outage as well as fire accident which can be triggered by poor electrical contact.
Infrared Temperature Sensor;Motor Control Center;BUS BAR;Bolt-Nut Joint
Supported by : 한국산업기술진흥원
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