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

  • 제28권9호
  • /
  • Pages.67-72
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  • 2014
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  • 1229-4691(pISSN)
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  • 2287-5034(eISSN)
한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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정수장 마이크로 소수력 발전기 적용에 대한 연구

A Study on the Application of Micro Hydro Power Generator at the Water Treatment Plant

  • 김종겸 (강릉원주대학교 전기공학과) ;
  • 박영진 (강릉원주대학교 전기공학과) ;
  • 김일중 (호서대학교 기계공학과)
  • 투고 : 2014.06.30
  • 심사 : 2014.07.23
  • 발행 : 2014.09.30
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초록

Inflow or outflow from the water treatment plant and the sewage water has potential energy. If this potential energy can be converted into electrical energy by water turbine generator, it can help to save energy because of the high capacity utilization. So recently, micro hydro power plant is reviewed in the water treatment facility. If generation capacity is low, induction generator is primarily used. If output capacity is low, generated power is supplied to the inside load. Induction generator can cause voltage drop by the inrush current at a start-up and requires reactive power for magnetization. In this study, we analyzed the flow of power and voltage variation against inrush current that occurs when the induction generator starts under the terms that loads of linear and non-linear of the water purification plant are used. Analysis results are that the voltage drop is within an allowable range and the power factor is slightly reduced by the need of reactive power.

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참고문헌

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