幸运飞艇开奖结果pk10聊天室

直流电源的电路分析设计方法

2017-08-19 admin 154

JINNIANLAISnubberDIANLUYOULEJIAODADEFAZHAN, DANKEDIAOZHILIUDIANYUANMUQIANQIXINGNENGBINGWEIDEDAOHELIYOUHUA,QIYINGYONGYEBUJINRURENYI。ZHEIZHUYAOSHIYOUYUXIANCHANGYINGYONGRENYUANBINGWEISHIFENZHONGSHIRCD SnubberDEJIBENLEIXING、XIANGGUANTEXINGJISHIYONGCHANGHEDEXIANZHI,YEBUZHONGSHIRCD SnubberDIANLUDELILUNFENXI,ZHISHIPINGJINGYANHESHIJIGONGCHENGDIAOSHI,ZHEIZAIYIDINGCHENGDUSHANGJIANGDILEGONGCHENGSHEJIDEGONGZUOXIAOLV。

幸运飞艇开奖结果pk10聊天室JIYUSHANGSHUYUANYIN,BENWENKAIGUANDIANYUANCHANGJIAJIANGJIAOSHENRUDITAOLUNLELIANGZHONGCHANGYONGMOSHIDERCD SnubberDIANLU:YIZHIDIANYASHANGSHENGLVMOSHIYUDIANYAQIANWEIMOSHI,XIANGXIFENXILEQIGEZIDEGONGZUOYUANLI,JICHULEXIANGYINGDEJISUANGONGSHI,ZUIHOUTONGGUOSHIYANTICHULEDIANLUDEYOUHUASHEJIFANGFA。

直流电源的电路分析设计方法

1、YIZHIDIANYASHANGSHENGLVMOSHIDUIYUGONGLVMOSFETLAIJIANG,QIDIANLIUXIAJIANGDESUDUJIAOGTRHUOIGBTKUAIDEDUO,QIGUANDUANSUNHAODESHUZHIYAOBIGTRHUOIGBTXIAO,DANSHIZHEIGESUNHAODUIZHENGGEXIAOGONGLVDEDIANYUANXITONGYESHIBURONGHUSHIDE。YINCITICHULEYIZHIDIANYASHANGSHENGLVDERCD Snubber。ZAIKAIGUANGUANGUANDUANSHUNJIAN,FANJIBIANYAQIDELOUGANDIANLIUXUYAOANYUANCHUSHIFANGXIANGJIXULIUDONG,GAIDIANLIUJIANGFENCHENGLIANGLU:YILUZAIZHUJIANGUANDUANDEKAIGUANGUANJIXULIUDONG;LINGYILUTONGGUOSnubberDIANLUDEERJIGUANDsXIANGDIANRONGCsCHONGDIAN。YOUYUCsSHANGDEDIANYABUNENGTUBIAN,YINERJIANGDILEKAIGUANGUANGUANDUANDIANYASHANGSHENGDESULV,BINGBAKAIGUANGUANDEGUANDUANGONGLVSUNHAOZHUANYIDAOLESnubberDIANLU。RUGUOCsZUGOUDA,KAIGUANGUANDIANYADESHANGSHENGJIQIDIANLIUDEXIAJIANGSUOXINGCHENGDEJIAOCHAQUYUJIANGHUIJINYIBUJIANGDI,KEYIJINYIBUJIANGDIKAIGUANGUANDEGUANDUANSUNHAO。DANSHICsDEQUZHIYEBUNENGGUODA,YINWEIZAIMEIYIGEGUANDUANQIJIANDEQISHIDIAN(YEJIUSHIKAITONGQIJIANDEJIESHUDIAN),CsBIXUFANGJINDIANHEYIDUIDIANYASHANGSHENGLVJINXINGYOUXIAODEYIZHI;ERZAIGUANDUANQIJIANDEJIESHUDIAN,CsSUIRANNENGJIANGDIKAIGUANGUANDIANYADESHANGSHENGSHIJIAN,DANQIDUANDIANYAZUIZHONGHUIDADAO()(WEIHULVELOUGANSHIDEDIANYAJIANFENG,WEICIJIDUICHUJIDEFANSHEDIANYA)。

可调直流电源关管导通的瞬间,Cs将通过电阻Rs与M所形成的回路来放电。Snubber的放电电流将流过开关管,会产生电流突波,并且如果某个时刻占空比变窄,电容将不能放尽电荷而不能达到降低关断损耗的目的。可见,Snubber电路仅在开关过渡瞬间工作,降低了开关管的损耗,提高了电路的可靠性,电压上升率的减慢也降低了高频电磁干扰。

幸运飞艇开奖结果pk10聊天室2、DIANYAQIANWEIMOSHI RCD ClampBUTONGYUSnubberMOSHI,QIMUDESHIXIANZHIKAIGUANGUANGUANDUANSHUNJIANQILIANGDUANDEZUIDAJIANFENGDIANYA,ERKAIGUANGUANBENSHENDESUNHAOJIBENBUBIAN。ZAIGONGZUOYUANLISHANGDIANYAQIANWEIMOSHIRCDEFANGDIANSHIJIANCHANGSHUBIYIZHIDIANYASHANGSHENGLVMOSHIGENGZHANG。

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