【经验】如何选择与测试空调电容的好坏?
空调里面也有电容,电容过大过小都会影响空调的正常运行,如何选择与测试空调电容的大小?跟着小编接着往下看下去,你就知道了。
1. 动电容大了小了有什么危害?
单相电动机配有电容,电容配大了,长时间工作容易造成电机在运行时工作电流增大,电机容易烧毁,电容配小了启动力矩变小,电机无力,转速下降,电机启动困难或者无法启动。因此合理地选择电容很有必要。
电容的内部结构:
2.怎么检测电容的好坏?
方法一:用220V交流电直接接上,可以先接一极,用另一条电源线碰触另一电容脚。如果在碰触时有明显的不大的火花,就可以肯定此电容有充电,也就是说此电容没坏。
方法二:指针式万用表,也可以用数字表的测电容档。如果用指针式万用表,一般用R ×1K档,将表笔分别接上电容的两极。这时万用表指针将摆动,然后慢慢恢复到零位或零位附近。这样的电容器是好的。电容器的容量越大,充电时间越长,指针向00方向摆动的也越慢。如果接上后,指针不动显示的阻值很少并不动,可以肯定是坏。
方法三:数字万用表检测,用数字万用表检查,将数字万用表拨到合适的电阻档,红表笔和黑表笔分别接触被测电容器的两极。这时,显示值将从0开始逐渐增加,直到显示溢符号“1”。如果始终显示0,说明电容器内部短路。如果始终显示溢出,可能是电容器内部极间开路,也可能是选择的电阻档不合适。
选择电阻档的原则是:电容器较大时,应选用低阻档;电容器容量较小时,应选用高阻挡。
测量电容器时对电阻档的选择:
电容器击穿或开路后,不能修理,只能更换同型号的新电容器。为便于修理时选用,下表列出电容器的容量与压缩机电动机输出功率的选配,供参考。
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本文由伊哟转载自东佳电子,原文标题为:如何选择与测试空调电容的好坏?,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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南方宏明(SHM)瓷介电容器/压敏电阻器/热敏电阻器选型指南
描述- 南方宏明专业生产各种高品质瓷介电容器、压敏电阻器和热敏电阻器,其中包括全系列圆片瓷介电容器、片式单层瓷介电容器、独石电容器、氧化锌压敏电阻器以及NTC热敏电阻器。主要用于设备电源、通讯器材、计算机、电视机、视听设备等。SHM specializes in manufacturing all kinds of high quality ceramic capacitors , zinc oxide varistors and NTC thermistor, including series of disc ceramic capacitors, high voltage single-layer ceramic capacitors (SMD), monolithic ceramic capacitors , zinc oxide varistors and NTC thermistor.
型号- ZVR07D180K,ZVR05D220K,ZVR05D680K,ZVR10D820K,ZVD2825C471,ZVR07D330K,ZVR10D561K,ZVR07D221K,ZVR07D820KJ,ZVR07D560K,ZVR07D681K,ZVR10D180K,ZVR10D751KJ,ZVR14D180KJ,ZVR14D361KJ,ZVD2825C470,ZVR20D781KJ,ZVR07D820K,ZVR14D781K,ZVD2825C101,ZVR10D330K,ZVR10D221K,ZVR10D112K,ZVR14D820KJ,ZVR07D180KJ,ZVR07D181K,ZVR10D821K,ZVR20D431KJ,ZVR10D220KJ,ZVR07D101K,ZVR07D331K,ZVD2825C220,ZVR07D471KJ,ZVD2825C221,ZVR07D561K,ZVR10D390KJ,ZVR20D121K,ZVR14D201K,ZVR10D220K,ZVR14D431K,ZVR07D361KJ,ZVD4032C820,ZVR14D470KJ,ZVR14D241KJ,ZVR14D390K,ZVR14D301KJ,ZVD4032C151,ZVD4032C271,ZVD4032C270,ZVD4032C391,ZVD4032C390,ZVR20D560K,ZVD2825C330,ZVR20D681K,ZVD2825C331,ZVR10D680K,ZVR20D112K,ZVR20D330K,ZVR20D221K,ZVR10D121KJ,ZVR20D180K,ZVR05D431KJ,ZVR05D417K,ZVR14D391K,ZVR10D102K,ZVR14D270K,ZVR10D241KJ,ZVR05D101KJ,ZVR14D,ZVR10D680KJ,ZVR20D180KJ,ZVR10D181KJ,ZVR05D241K,ZVR07D201KJ,ZVR07D220K,ZVR07D680K,ZVR07D470KJ,ZVR14D911K,ZVD2825C680,ZVD2825C560,ZVR10D681K,ZVR20D680K,ZVD2825C561,ZVR10D560K,ZVR10D181K,ZVR20D220K,ZVR20D271KJ,ZVD181K4032CT0,ZVD2825C431,ZVR05D151KJ,ZVR10D101K,ZVR10D331K,ZVR14D271K,ZVR14D471KJ,ZVR14D781KJ,ZVR07D241K,ZVD,ZVR10D361KJ,ZVR14D182KJ,ZVR07D471K,ZVD4032C181KCT0,ZVR10D241K,ZVR14D220K,ZVR20D331KJ,ZVD2825C301,ZVR,ZVR20D621KJ,ZVD181K2825CT0,ZVR14D680K,ZVR10D470KJ,ZVR20D681KJ,ZVR10D180KJ,ZVR20D911KJ,ZVR05D470KJ,ZVR07D390KJ,ZVR20D181KJ,ZVR20D221KJ,ZVD4032C180,ZVR05D180KJ,ZVR05D201KJ,ZVR07D121K,ZVR07D121KJ,ZVR20D330KJ,ZVR20D391KJ,ZVR20D561KJ,ZVR20D751K,ZVR07D,ZVR20D270KJ,ZVR10D361K,ZVR14D681K,ZVR14D330K,ZVR14D560K,ZVR10D301KJ,CCT101J85X7RF6FS5A0,ZVR14D112K,ZVR14D221K,ZVR14D220KJ,ZVR14D680KJ,ZVD4032C621,ZVR10D821KJ,ZVR14D180K,ZVR20D621K,ZVR05D101K,ZVR05D331K,ZVR10D511K,ZVR05D561K,ZVR20D241K,ZVR05D181K,ZVR14D821K,ZVR20D471K,ZVR14D181KJ,ZVR10D470K,ZVR14D390KJ,ZVR07D511K,ZVR14D820K,ZVR14D561K,ZVR14D101K,ZVR14D331K,ZVR20D220KJ,ZVD4032C511,ZVD4032C751,ZVR10D471KJ,ZVR14D181K,ZVR20D511K,ZVR20D182KJ,ZVR07D181KJ,ZVR05D221K,ZVR05D330K,ZVR05D471KJ,ZVR10D621K,ZVR05D560K,ZVR20D470K,ZVR20D361K,ZVR20D121KJ,ZVR14D560KJ,ZVR05D180K,ZVR14D121KJ,ZVR20D511KJ,ZVR07D680KJ,ZVR10D471K,ZVR07D470K,ZVR20D390KJ,ZVR07D471KL635A0,ZVR07D361K,ZVR20D560KJ,ZVR07D301KJ,ZVR07D621K,ZVR14D102K,ZVR14D911KJ,ZVR10D121K,ZVR05D361KJ,ZVR07D241KJ,ZVD2825C511,ZVR14D182K,ZVR14D681KJ,ZVR05D820K,ZVR05D,ZVR05D301K,ZVR20D,ZVR10D751K,ZVR14D112KJ,ZVR20D271K,ZVR14D511KJ,ZVR20D751KJ,ZVR14D391KJ,ZVR05D121KJ,ZVR14D511K,ZVR07D561KJ,ZVR07D331KJ,ZVR07D271KJ,ZVR14D470K,ZVR14D361K,ZVR14D271KJ,ZVR10D201KJ,ZVD2825C180,ZVR05D301KJ,ZVR05D241KJ,ZVR07D221KJ,ZVR14D330KJ,ZVR14D101KJ,ZVR05D271K,ZVD2825C181,ZVR07D681KJ,ZVR14D561KJ,ZVR14D241K,ZVR14D621K,ZVR20D270K,ZVR20D391K,ZVR10D301K,ZVR14D471K,ZVD4032C301,ZVR14D621KJ,ZVR10D911K,ZVR05D270K,ZVR05D391K,ZVR07D271K,ZVR07D270KJ,ZVR05D390KJ,ZVR14D121K,ZVR07D301K,ZVR07D330KJ,ZVR10D102KJ,ZVR05D181KJ,ZVR20D241KJ,ZVR05D680KJ,ZVR20D471KJ,ZVR07D560KJ,ZVR20D680KJ,ZVD4032C431,ZVR05D201K,ZVR05D431K,ZVR14D270KJ,ZVD4032C560,ZVD4032C681,ZVD4032C680,ZVR14D751KJ,ZVR20D301K,ZVR07D391KJ,ZVR10D431KJ,ZVR07D220KJ,ZVR14D331KJ,ZVR07D621KJ,ZVR20D911K,DRM509D11ML8B7GA0,ZVR05D390K,ZVR07D151K,ZVR10D911KJ,ZVR20D301KJ,ZVR07D511KJ,ZVR20D112KJ,ZVR14D221KJ,ZVR05D820KJ,DRM,ZVR10D820KJ,ZVD4032C561,ZVR07D390K,ZVR05D470K,ZVR05D270KJ,ZVR05D361K,ZVR20D361KJ,ZVR05D560KJ,ZVR07D431K,ZVR20D821K,ZVR20D102K,ZVD2825C390,ZVD2825C270,ZVD2825C391,ZVD2825C271,ZVR10D390K,ZVD2825C151,ZVR10D561KJ,ZVR14D301K,ZVD2825C820,ZVR05D391KJ,ZVR10D331KJ,ZVR20D182K,ZVR05D330KJ,ZVR10D101KJ,ZVR20D101KJ,ZVR10D201K,ZVR10D621KJ,ZVR20D470KJ,ZVD4032C331,ZVD4032C330,ZVR10D681KJ,ZVR07D431KJ,ZVR05D220KJ,DCC,DCF,ZVR05D511KJ,DCH,DCG,ZVR10D511KJ,ZVR07D391K,ZVR07D270K,ZVR20D820K,ZVR20D101K,ZVR20D561K,DCM,ZVR10D560KJ,ZVR20D331K,DCT,ZVR10D112KJ,DCS,ZVR20D181K,ZVR10D271KJ,ZVR14D201KJ,ZVR05D511K,ZVD4032C101,CCF331K2825Y5PGYT0,ZVD4032C221,ZVR20D820KJ,ZVD4032C220,ZVD4032C471,ZVD4032C470,ZVR05D271KJ,ZVR07D151KJ,ZVR05D561KJ,ZVR10D781K,ZVR20D201K,ZVR20D431K,ZVR10D271K,ZVR10D330KJ,ZVR20D390K,ZVR20D102KJ,ZVR05D331KJ,ZVR14D751K,ZVR10D,ZVR14D821KJ,ZVD4032C241,ZVD4032C361,CCC,ZVR05D221KJ,ZVR10D221KJ,ZVR20D201KJ,CCF,ZVR10D431K,ZVD2825C361,ZVR14D102KJ,CCH,ZVD2825C241,ZVR07D101KJ,ZVD2825C121,ZVR20D781K,ZVR10D781KJ,ZVR10D391KJ,ZVR10D270K,ZVR10D391K,DCM471K20Y5PL63L5A0□,ZVR07D201K,CCT,ZVR14D431KJ,ZVR20D821KJ,ZVR10D270KJ,ZVD4032C121
一文解析滤波电容器的应用
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目录- Application Guidelines Part Number System Packing Specifications KS Conductive Polymer Aluminum Solid Capacitors KU Conductive Polymer Aluminum Solid Capacitors KP Conductive Polymer Aluminum Solid Capacitors KL Conductive Polymer Aluminum Solid Capacitors KW Conductive Polymer Aluminum Solid Capacitors KH Conductive Polymer Aluminum Solid Capacitors VR Conductive Polymer Aluminum Solid Capacitors VT Conductive Polymer Aluminum Solid Capacitors VX Conductive Polymer Aluminum Solid Capacitors KM Conductive Polymer Aluminum Solid Electrolytic Capacitors VM Conductive Polymer Aluminum Solid Electrolytic Capacitors VH Conductive Polymer Aluminum Solid Electrolytic Capacitors
型号- KL,VX,KM,KP,KS,KU,KW,VH,KU-2R5V821MF125-T/A5.0,VM,VR,KH,VT
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描述- Iskra is a globally recognized provider of intelligent Industrial solutions and cutting-edge electrotechnical products. Iskra is inspired by tradition. Enlightened by professional knowledge and motivated by know-how. With Iskra you will be able to improve existing applications and introduce new technologies in strategic business areas.
型号- TYPE KNF61XX,KNM8014,KNM8015,KNM8016,KNM8010,KNM8011,TYPE KNM90XX,KNM3125,KNM32XX,KNM3244,KNM8017,KNM3126,KNM1228,TYPE KNM22XX,KNF50XX,KNM9015,KNM9014,KNM9017,KNM9016,KNM9011,KNM9010,KNM3110,KNM80XX,KNM3114,TYPE KNM,KNM1255,KNM3111,KNM2225,KNM3117,KNM3115,KNM3116,KNM2228,TYPE KNM32XX,KNF5010,KNF5011,KNF61XX,KNM90XX,KNF5018,KNF5019,KNM3147,KNM12XX,KNM31XX,KNM1244,KNM3144,KNM3101,KNM,KNM3106,KNM3228,KNM3107,KNM3225,KNM3104,KNM3105,KNM3108,TYPE KNF561XX,KNF561XX,KNF6152,KNF6154,KNF6153,KNF6119,TYPE KNM80XX,KNM22XX,KNM2244,KNM3137,KNM3138,TYPE KNF50XX,KNF5030,TYPE KNM31XX,KNF5031,TYPE KNM12XX
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整体外形尺寸小至0.6*0.3*0.3mm (DFN0603),工作电压范围覆盖2.5V~36V,电容值低至0.2pF,浪涌能力最高可达240安培,静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
提交需求>
可定制电线特性阻抗50-80Ω,静电容量54-110pF/m,减衰量0.5-0.7db/m以下,芯对数和截面积、尺寸长度;支持B超电线、内窥镜电线、血液分析仪电线、医疗USB电线、病床设备电线定制。
最小起订量: 1000m 提交需求>
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