空调电容器故障成因及排除方法-钟妙清

(广东交通职业技术学院,广东广州510800),,;TM925.127A1671-8100(2009)04-0037-03:2009-04-11:,,,:,,,,(),,,,,,,1故障分析1.1(1):,(2):,,(3):,1.2(1),,,,,(2),,,,,(3),,2排除故障的方法,,,,,,KF-25GW/NF,,12.1,:3720094图1电容运转式电动机基本电路及绕组额定负载时电流相量图,,:,,:,,,,100.61Mpa,6.2A,,10K,,2.5?F,,,10min0.45Mpa,4.2A,40min26b,,:(1),,,,,,;(2),,1K10K,,,,,,;,;,,,;(3),,2.2:,,,,,:,,,3min,,,0.30Mpa,0.48Mpa,13min,,,,50uF,25uF,,,,,,,60min,,,:(1),;(2),,,,,(3),,,,,,;(4)Ua(2~2.3)UN,UN)))(V);(5),,,Ca=120000I/2PfUNcosU(uF),I)))(A);p)));f)))Hz;UN)))(V);cosU)))(0.80~0.95);,,3820094,(6)30min,2.3:,,:,,,,,,,,,,,,,:(1),,,,顔色和数量;(2),;(3),3结语,,,,,,,,,,1,.[M].:,1998:57~115.2.[M].:,2004:92~160.3,.[M].:,2005,7:46~60.4.[M].:,2006,5:61~161.5.[M].:,2008,9:106~148BriefAnalysesoftheCauseandRemovingMethodoftheCapacitanceTroublesofAir-conditionersZHONGMiao-qing(GuangDongCommunicationsPolytechnic,Guangzhou510800,China)Abstract:Someproblemsoccurinair-conditioneroperationandmaintenanceduetocapac-itance,thispaperanalyzesthecausesofthem,andputsforwardthemeasurestoremovethetroubles.Thesetrouble-removingmethodsplayimportantreferencedandexemplaryrolesinthemaintenanceofair-conditioners.Keywords:capacitancetrouble;Air-conditioner(:)39