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Performance and Emission Characteristics of GHP Engine at Different Natural Gas Heating Value

천연가스 열량 변화에 따른 GHP 엔진의 성능 및 배출가스 특성

  • 이중성 (한국가스공사 연구개발원) ;
  • 유현석 (한국가스공사 연구개발원) ;
  • 최정환 (한국가스공사 연구개발원) ;
  • 최의광 ((주)엔진텍 친환경엔진연구소) ;
  • 이경호 ((주)엔진텍 친환경엔진연구소) ;
  • 이병대 (LG전자 Ghiller 사업부)
  • Received : 2014.08.20
  • Accepted : 2014.12.23
  • Published : 2015.02.28

Abstract

In general, natural gas is used as GHP(Gas Engine Driven Heat Pump) fuel. On this study, the influences of different natural gas heating value on GHP were evaluated. As a result of engine test & field test using low heating value gas($9,800kcal/Nm^3$) as fuel, the engine power was reduced slightly, however the performance of start-up, the stability of operation and the characteristics of emission gas were almost similar. So it is considered that the normal operation of GHP is possible without any tuning when the low heating value($9,800kcal/Nm^3$) of natural gas was used as fuel.

가스엔진구동 히트펌프(GHP : Gas Engine Driven Heat Pump)의 연료인 천연가스의 열량이 감소함에 따라 국내에서 생산되는 GHP에 미치는 영향을 평가하였다. 저열량가스($9,800kcal/Nm^3$)를 연료로 사용하여 엔진 단체 실험 및 GHP 현장평가를 실시한 결과 약간의 출력감소가 확인되었으나 시동성, 운전안정성, 배출가스 특성 등은 거의 변화가 없음을 확인하였다. 따라서 천연가스 열량이 $9,800kcal/Nm^3$까지 감소하여도 별도의 조정없이 GHP가 정상운전될 수 있을 것으로 판단된다.

Keywords

References

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