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技术支持您现在的位置:如何在网上卖酒赚钱 > 技术支持 > -如何评估IGBT模块在系统中的应用-华科智源
-如何评估IGBT模块在系统中的应用-华科智源
  • 发布日期:2019-04-21      浏览次数:357
    • 如何在网上卖酒赚钱JINXINGNIBIANQISHEJISHI,IGBTMOKUAIDEKAIGUANSUNHAOPINGGUSHIHENZHONGYAODEYIGEHUANJIE。ERCHANGJIANDESUNHAOPINGGUFANGFADOUSHICAIYONGSHUJUSHOUCEZHONGIGBTHUOZHEDiodeDEKAIGUANSUNHAODEDIANXINGZHI,ZHEIZHONGFANGFAQUEFAYIDINGDEZHUNQUEXING。BENWENJIESHAOLEYIZHONGCAIYONGNIBIANQIXITONGDEQUDONGBANHEMUPAIDUIIGBTMOKUAIJINXINGSUNHAOCESHIHEPINGGUDEFANGFA,TONGGUOJIANDANDECAOZUOJIKEDEDAOGENGDESUNHAOPINGGU。

      YIBANSHUJUSHOUCEZHONG,DOUHUIJICHUTEDINGTIAOJIANXIA,IGBTJIDiodeKAIGUANSUNHAODEDIANXINGZHI。YIBANLAIJIANGZHEIGEZHIZAISHIJISHEJIZHONGBINGBUNENGZHIJIENALAIYONG。ZAIYINGFEILINGMOKUAISHUJUSHOUCEZHONG,WOMENKEYIKANDAO,KAIGUANSUNHAODIANXINGZHIQIANMIAN,YOUXIANGDANGDUODEXIANZHITIAOJIAN,ZHEIXIETIAOJIANMIAOSHULEDIANXINGZHICESHIPINGTAI。ERSHIJISHEJIDEXITONGSHIBUKENENGHEGUIGESHUCESHIPINGTAIYIMOYIYANGDE。LIANGZHEZHIJIANDECHAYI,ZHUYAOTIXIANZAIRUXIAJIGEFANGMIAN:

      • IGBT的开关损耗不仅仅依赖于驱动电阻,也依赖于驱动环路的电感,而实际用户系统的驱动环路电感常常不同于数据手册的测试平台的驱动环路电感。
      • 驱动中加入栅极和发射极电容是很常见的改善EMC特性的设计方法,而使用该栅极电容会影响IGBT的开关过程中电流变化率dIc / dt和电压变化率dVce / dt,从而影响IGBT的开关损耗
      • 实际系统的驱动电压也常常不同于数据手册中的测试驱动电压,在IGBT模块的数据手册中,开关损耗通常在±15V的栅极电压下测量,而用户的驱动电压有时也并非这个电压数值。
      • 数据手册通常会在较小的母排杂散电感下进行开关损耗测试,而实际系统的母排或者PCB的布局常常会存在比较大的杂散电感。

      ZHENGYINWEISHIJIXITONGDEMUPAI、QUDONGYUSHUJUSHOUCEDEBIAOZHUNCESHIPINGTAIDEMUPAI、QUDONGCUNZAIZHECHAYI,CAIDAOZHILEZHIJIECAIYONGSHUJUSHOUCEDEKAIGUANSUNHAOJINXINGSHIJIXITONGDESUNHAOPINGGUCUNZAIZHEYIDINGDEWUCHA。YIZHONGGAISHANDEFANGSHISHIZHIJIECAIYONGSHIJIXITONGDEMUPAIHEQUDONGLAIJINXINGSHUANGMAICHONGCESHI,IGBTMOKUAIKEYIGUDINGZAIYIGEJIAREPINGTAISHANG,ERJIAREPINGTAINENGGOUDIAOJIEDAO150℃BINGBAOCHIHENGWEN。

      TU1JICHULESHUANGMAICHONGDECESHIYUANLITU,TU2JICHULESHUANGMAICHONGCESHISHIDEBOXINGTU,DIANXINGDESHUANGMAICHONGCESHIKEYIANZHAOTU1HETU2 JINXING,TONGSHIXUYAOZHUYIJIANGJIAREPINGTAIDIAOZHENGDAOYIDINGDEWENDU,BINGDENGDAIYIDINGSHIJIAN,QUEBAOIGBTDEJIEWENYEDAODASHEDINGWENDU。

      如何在网上卖酒赚钱TU3JICHULESHUANGMAICHONGCESHIGUOCHENGZHONG,IGBTDEKAITONGGUOCHENGHEGUANDUANGUOCHENGDEBOXING。SUNHAOKEYITONGGUOCEDIANYAHEDAOTONGDIANLIUDECHENGJIHOUDEJIFENLAIHUODE。XUYAOZHUYIDESHIDIANYATANTOUHEDIANLIUTANTOUXUYAOPIPEIYANSHI,FOUZEHUIYINQIBIJIAODADECESHIWUCHA。ZAIYONGYUSHUJUSHOUCEDECESHIPINGTAIZHONG,CHANGJIANDEDIANLIUTANTOUSHIPEARSONTANTOU,ERSHIJIXITONGDEMUPAIZHONG,HENNANZHUANGRUPEARSONTANTOU,GENGDUODECAIYONGRogowski-coil。XUYAOZHUYIDESHIRogowski-coil DEYANSHIHUIBIJIAODA,ERQIEDANGDIANLIUBIANHUALVCHAOGUO3600 A/μsSHI,Rogowski-coil HUIYOUBIJIAOMINGXIANDEWUCHA。GUANYUCESHITANTOUHEYANSHIPIPEIYEKETONGYIQICHANGJIAQUEREN。

      TU3-1 IGBTGUANDUANGUOCHENG

      DUT:FF600R12ME4; CH2(绿色)- VGE,CH 3(蓝色)- ce,CH4(红色)- Ic

      TU3-2 IGBTKAITONGGUOCHENG

      SHOUXIANGUDINGDIANYAHEWENDU,ZAIBUTONGDEDIANLIUXIACESHIIGBTDEKAIGUANSUNHAO,KEYIDECHUSUNHAOSUIDIANLIUBIANHUADEQUXIAN,BINGQIEDUIQUXIANJINXINGNIHE,KEYIDEDAOSUNHAODEBIAODASHI。GAIXITONGDEZHILIUMUXIANDIANYAXIAOWEI540V,700V。ERXITONGDEIGBTDEJIEWENDESHEJIZAI125℃HE150℃ZHIJIAN。FENBIEZAI540VHE700VMUXIANDIANYA,JI125℃HE150℃JIEWENXIAZHONGFUSHANGSHUCESHI,KEYIDEDAOYIXILIEQUXIAN,RUTU4SUOSHI。

      如何在网上卖酒赚钱TU4:ZAIBUTONGDEDIANLIUSHURUTIAOJIANXIA,YIDIANYAHEWENDUWEIJIDINGTIAOJIANDEIGBTDEKAIGUANSUNHAOQUXIAN

      YIJUTU4JICHUDESUNHAOCESHIQUXIAN,KEYIYIJUXIANXINGDENGXIAODEFANGFADEDAOIGBTDEKAITONGSUNHAOHEGUANDUANSUNHAOZAIDIANLIU,DIANYA,JIEWENXIADETUIDAOGONGSHI。

       

      如何在网上卖酒赚钱TONGLIYEKEYIDEDAODiodeZAIJIDINGXITONGDEDIANYA,DIANLIU,JIEWENSHEJIFANWEINEIDEFANXIANGHUIFUSUNHAODETUIDAOGONGSHI:

      如何在网上卖酒赚钱TU5:ZAIBUTONGDEDIANLIUSHURUTIAOJIANXIA,YIDIANYAHEWENDUWEIJIDINGTIAOJIANDEDiodeFANXIANGHUIFUSUNHAOQUXIAN

      如何在网上卖酒赚钱SUIRANZHEILIJIESHAODEFANGFAXIANGDUIYUCAIYONGIGBTSHUJUSHOUCEDEKAIGUANSUNHAODIANXINGZHITIGONGLEYIXIEGAIJIN,DANRENGCUNZAIYIXIEQUEDIAN,BIRUZAIFEICHANGDIDEDIANLIUSHI,SUNHAOHUIYOUYIDINGDEWUCHA,ZHEIKEYITONGGUOCAIYONGFEIXIANXINGMOXINGHUODUOJIDEDIANLIUXIANXINGMOXINGLAIYOUHUA。

      如何在网上卖酒赚钱TONGGUOCAIYONGSHIJIXITONGDEQUDONGHEMUPAIJINXINGSHUANGMAICHONGCESHI,ZAIXITONGSHEJIDEDIANYA,DIANLIUHEWENDUFANWEINEI,KEYIDEDAOBICAIYONGSHUJUSHOUCEDEDIANXINGZHIGENGZHUNQUEDESUNHAOPINGGU。

      关键字: IGBT测试仪   IGBT模块测试仪 IGBT模块损耗

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