经纬平台

上海纬亚电子科技有限公司

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降压,一定要用变压器吗?

 

JIANGYA,BIDINGYAOYONGBIANYAQIMA?QISHIBUSHIZHEIYANGDE,CHULEBIANYAQI,DIANRONGYESHINENGGOUJIANGYA,JINTIAN,WEIYAJIUDAILINGZANMENLEJIEYIXIADIANRONGJIANGYA!

 

电容降压的作业原理

经纬平台SHIYONGDIANRONGZAIBIDINGDEGOUTONGXINHAOPINLVXIAFASHENGDERONGKANGLAIYUESHUZUIDAZUOYEDIANLIU。

 

经纬平台LIRU,ZAI50HzDEGONGPINTIAOJIANXIA,YIGE1uFDEDIANRONGSUOFASHENGDERONGKANGYUEWEI3180OUMU。DANG220VDEGOUTONGDIANYAJIAZAIDIANRONGQIDELIANGTOU,ZELIUGUODIANRONGDEZUIDADIANLIUYUEWEI70mA。SUIRANLIUGUODIANRONGDEDIANLIUYOU70mA,DANZAIDIANRONGQISHANGBINGBUFASHENGGONGHAO,YINGWEIJIARUDIANRONGSHIYIGEBAOFUDIANRONG,ZELIUGUODIANRONGDEDIANLIUWEIXUBUDIANLIU,TASUOZUODEGONGWEIWUGONGGONGLV。

 

经纬平台QIAOHEIBAN,XIAMIANXIANSHUOYIXIASHENMESHIWUGONGGONGLV

无功功率是什么?

WUGONGGONGLVSHIZHIZAIJUYOUDIANKANGDEGOUTONGDIANLUZHONG,DIANCHANGHUOCICHANGZAIYIZHOUQIDEYIBUFENSHIJIANNEICONGDIANYUANXISHOUNENGLIANG,LINGYIBUFENSHIJIANZESHIFANGNENGLIANG,ZAIZHENGGEZHOUQINEIPINGJUNGONGLVSHILING,DANNENGLIANGZAIDIANYUANHEDIANKANGYUANJIAN(DIANRONG、DIANGAN)ZHIJIANBUTINGDIJIAOLIU。JIAOLIULVDEZUIDAZHIJIWEI“WUGONGGONGLV”。DANXIANGGOUTONGDIANLUZHONG,QIZHIDENGYUDIANYAYOUXIAOZHI、DIANLIUYOUXIAOZHIHEDIANYAYUDIANLIUJIANXIANGWEIJIAODEZHENGXIANSANZHEZHIJI。DANWEIWEIVar、KVar

ZHU:JIZHUSHUNBIANLEJIEYIXIA:YOUGONGGONGLV、SHIZAIGONGLV

 

经纬平台GENJUZHEIGETEDIAN,ZANMENJIARUZAIYIGE1uFDEDIANRONGQISHANGZAICHUANLIANYIGEZUXINGYUANJIAN,ZEZUXINGYUANJIANLIANGTOUSUODEDAODEDIANYAHETASUOFASHENGDEGONGHAOCHEDIQUJUEYUZHEIGEZUXINGYUANJIANDETEXING。LIRU,ZANMENJIANGYIGE110V/8WDEDENGPAOYUYIGE1uFDEDIANRONGCHUANLIAN,ZAIJIEDAO220V/50HzDEGOUTONGDIANYASHANG,DENGPAOBEIDIANLIANG,XUANBUZHENGCHANGDELIANGDUERBUHUIBEIFENHUI。YINWEI110V/8WDEDENGPAOSUOXUDEDIANLIUWEI8W/110V=72mA,TAYU1uFDIANRONGSUOFASHENGDEXIANLIUTEXINGXIANGWENHE。

 

TONGLI,ZANMENYENENGGOUJIANG5W/65VDEDENGPAOYU1uFDIANRONGCHUANLIANJIEDAO220V/50HzDEGOUTONGDIANSHANG,DENGPAOXIANGTONGHUIBEIDIANLIANG,ERBUHUIBEIFENHUI。YINWEI5W/65VDEDENGPAODEZUOYEDIANLIUYEYUEWEI70mA。YINER,DIANRONGJIANGYASHIJIANSHANGSHISHIYONGRONGKANGXIANLIU。ERDIANRONGQISHIJIANSHANGQIDAOYIGEYUESHUDIANLIUHEDONGTAIFENPEIDIANRONGQIHEFUZAILIANGTOUDIANYADEJIAOSE。

 

XIATUWEIZURONGJIANGYADEDIANXINGSHIYONG,C1WEIJIANGYADIANRONG,R1WEIDUANKAIDIANYUANSHIC1DEXIEFANGDIANZU(ZHUYIWEILEANQUAN,ZHEIGEDIANZUBIXUYOU,ANQUANYONGYUANPAIDIYIWEI),D1WEIBANBOZHENGLIUERJIGUAN,D2ZAISHIDIANDEFUBANZHOUWEIC1GONGJIFANGDIANHUILU,BURANDIANRONGC1CHONGMANDIANJIUBUZUOYELE,Z1WEIWENYAERJIGUAN,C2WEILVBODIANRONG。SHUCHUWEIWENYAERJIGUANZ1DEANWENDIANYAZHI。

 

 

经纬平台ZAISHIJIANSHIYONGZHONG,NENGGOUYONGXIATUDAITISHANGTU,ZHEIERYONGLEZ1ZHENGXIANGTEXINGHEFANXIANGTEXING,QIFANXIANGTEXING(YEJIUSHIQIWENYATEXING)LAIANWENDIANYA,QIZHENGXIANGTEXINGYONGLAIZAISHIDIANFUBANZHOUJIC1GONGJIFANGDIANHUILU。

 

 

ZAIJIAODADIANLIUDESHIYONGZHONG,NENGGOUYONGQUANBOZHENGLIU。RUXIATU:

 

 

ZAIXIAODIANYAQUANBOZHENGLIUSHUCHUSHI,ZUIDASHUCHUDIANLIUJIWEI:

 

容抗:Xc=1/(2πfC)

电流:Ic = U/Xc=2πfCU

 

XUANYONGDIANRONGJIANGYASHIYINGZHUYIYIXIAJIDIAN:

经纬平台GENJUFUZAIDEDIANLIUDAXIAOHEGOUTONGDIANDEZUOYEPINLVXUANQUSHIDANGDEDIANRONG,ERBUSHIYIJUFUZAIDEDIANYAHEGONGLV。

经纬平台XIANLIUDIANRONGBIXUXUANYONGWUJIXINGDIANRONG,JUEDUIBUNENGXUANYONGDIANJIEDIANRONG。ERQIEDIANRONGDENAIYAXUZAI400VYISHANG。ZUIBAOFUDEDIANRONGWEITIEQIAOYOUJINDIANRONG。

DIANRONGJIANGYABUNENGYONGYUDAGONGLVTIAOJIAN,YINWEIBUANQUAN。

DIANRONGJIANGYABUSHIHEDONGTAIFUZAITIAOJIAN。

XIANGTONG,DIANRONGJIANGYABUSHIHERONGXINGHELIXINGFUZAI。

DANGXUQIUZHILIUZUOYESHI,JINLIANGXUANYONGBANBOZHENGLIU。BUZHUZHANGXUANYONGQIAOSHIZHENGLIU。ERQIEYAOMANYIHENGDINGFUZAIDETIAOJIAN。