浅谈机组设计中电子膨胀阀的选择

31,2(1-200240)(2-200001),,,(EXV)BriefintroductionforEXVselectioninchillerZhouDazhi(1-ShanghaiJiaoTongUniversity,Shanghai200240)(2-TraneAirConditioning,Shanghai200001)AbstractAccordingtotheanalysisfortheelectricalexpansionvalve(EXV)selectionmethod,wecanfindawaytoenhancetheEXVrunningrangeforthebigchiller.Itispropitioustotheaccuratecontrolinthechillersystem.ThesystemandtheEXVcontrolcanbematchingeffectively;broadenthesystemoperationmap.Keywordselectricalexpansionvalve(EXV),stlection,[1](exv)(),,,,,1,(1),,,:1.,12.,3.33200823:(1975-),,,(),268,11,,:200001,E-mail:[e-mail],Tel:[phone],Fax:[phone].,,2,,:,,10%100%,,2?,,,,,R410A;R134aR124,,1);2);3);4);5),,,MOPR410A,MOPMOP,3:,,,,,,34,,,X-XXmAX-XXV(45)/4,5(EXV),EXV,43200825(V)[1]1[J]1,2005Vol.26No.1pp.24-283367-9,200,,:R410A()::;:200720081132007,2007()5320082