용량가변 압축기 적용 시스템의 성능 비교에 관한 실험적 연구
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The experimental study is carried out for evaluating the system performance of modulated compressors. Modulated compressor is used for changing the capacity of compressor when the building load is decreasing. The types of modulated compressors which we tested are by-pass, pole change and two compressors. Their CSPFs(cooling seasonal performance factor) are compared with fixed one. The result shows that the best type of modulated compressor in terms of cost and performance is two compressor.