This paper discusses compressors operating number control strategy using cooperative
logic to cope with variable partial load for high efficiency of a centrifugal water chiller. The …

This paper describes the PI controller design based on a practical transfer function model for
centrifugal water chillers. The rotational speed of a compressor and the opening angle of an …

This paper discusses compressors operating number control strategy using cooperative
logic to cope with variable partial load for high efficiency of a centrifugal water chiller. The …

This paper describes the PI controller design based on a practical transfer function model for
centrifugal water chillers. The rotational speed of a compressor and the opening angle of an …

Energy saving of air conditioner has become an essential factor because of
manhattanization and gigantism lately. centrifugal water chiller is being used for center …

본 연구에서는 상용 냉동ㆍ공조기기에서 사용하고 있는 휜-관 열교환기에서 R22 와 이의
대체냉매로 채용하고 있는 R134a 의 압력강하와 열전달 특성에 대해 실험적으로 연구하였다 …

R134a is considered as an alternative refrigerant to R22 for air conditioners. An
experimental investigation was made to study the characteristics of the heat transfer and …

In this paper, to actively respond to various heat loads for centrifugal water chiller system
which consists of four compressors temperature controller design problem will be reviewed …