CONTROL SYSTEM, METHOD FOR PROVIDING STABILITY CONTROL TO CENTRIFUGAL COMPRESSOR, AND STEAM COMPRESSION SYSTEM

PROBLEM TO BE SOLVED: To eliminate a defect that excessive closure of a diffuser space reduces capacity or a flow rate flowing in a compressor while closure of the diffuser space can improve compressor performance resisting a surge state.SOLUTION: A control system has a surge standby state 310 confi...

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Bibliographische Detailangaben
Hauptverfasser:	STABLEY ROBERT E, BODELL MARK R, MILLER WANDA J
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To eliminate a defect that excessive closure of a diffuser space reduces capacity or a flow rate flowing in a compressor while closure of the diffuser space can improve compressor performance resisting a surge state.SOLUTION: A control system has a surge standby state 310 configured to respond to detection of either a stall state or a surge state in a compressor, maintain a stall reaction state 306 reached in response to detection of a stall state or a surge reaction state 312 reached in response to detection of a surge state as at least one control state configured to close a flow path of a diffuser of the compressor, and maintain the dimension of the flow path of the diffuser in response to a modified surge state. Moreover, a surge standby state is reached in response to a modified stall state.