发明名称 CONTROL SYSTEM AND A METHOD FOR CONTROLLING A REFRIGERATION SYSTEM COMPRISING TWO OR MORE COMPRESSORS
摘要 A control system (12) for controlling a refrigeration system (17) comprising two or more compressors (13a, 13b) (e.g. a twin compressor system). Each compressor (13a, 13b) is connected to an electronic unit (14a, 14b), and the electronic units (14a, 14b) are adapted to communicate appropriate signals to each other when the corresponding compressor (13a, 13b) starts or stops operation. The electronics units (14a, 14b) are further adapted to control the operation of the corresponding compressor (13a, 13b) in response to a signal received from the other electronic unit (14a, 14b). Thereby the control system (12) is adapted to control the operation of the two or more compressors (13a, 13b) in a mutually dependent manner. When one compressor (13a, 13b) of a multi-compressor refrigeration system (17) stops operating, the remaining compressor(s) (13a, 13b) will build up a pressure difference between the pressure side and the suction side. It may be difficult for the stopped compressor (13a, 13b) to start up against this pressure difference when restart is required. Such problems are avoided in the present invention. The invention further relates to a refrigeration system (17) comprising the control system (12), and to a method of controlling a refrigeration system.
申请公布号 US2009093909(A1) 申请公布日期 2009.04.09
申请号 US20060065671 申请日期 2006.08.30
申请人 DANFOSS COMPRESSORS GMBH 发明人 HANSEN KRISTOFFER RIEMANN;MADSEN ANDERS JAKOB;THOMSEN RUNE
分类号 G05B15/00;F25B7/00 主分类号 G05B15/00
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