上海11选5

　    由于对可再生能源的需求，太阳能逆变器(光电逆变器)的市场正在不断增长。而这些整流器需要极高的效率和可靠性。本文对这些逆变器中采用的功率电路进行了考察，并推荐了针对开关和件的最佳选择。

　　光电逆变器的一般结构如图1所示，有三种不同的可供选择。太阳光照射在通过串联方式连接的太阳能模块上，每一个模块都包含了一组串联的太阳能电池(太阳能电池)单元。太阳能模块产生的直流(DC)电压在几百伏的数量级，具体数值根据模块阵列的光照条件、电池的温度及串联模块的数量而定。

　　ZHEILEINIBIANQIDESHOUYAOGONGNENGSHIBASHURUDEZHILIUDIANYAZHUANHUANWEIYIWENDINGDEZHI。GAIGONGNENGTONGGUOSHENGYAZHUANHUANQILAISHIXIAN，BINGXUYAOSHENGYAKAIGUANHESHENGYAERJIGUAN。

上海11选5 　　ZAIDIYIZHONGJIEGOUZHONG，SHENGYAJIZHIHOUSHIYIGEGELIDEQUANQIAOBIANHUANQI。QUANQIAOBIANYAQIDEZUOYONGSHITIGONGGELI。SHUCHUSHANGDEDIERGEQUANQIAOBIANHUANQISHIYONGLAICONGDIYIJIDEQUANQIAOBIANHUANQIDEZHILIUZHILIUBIANHUANCHENGJIAOLIU(AC)DIANYA。QISHUCHUZAIJINGYOUEWAIDESHUANGCHUDIANJIDIANQIKAIGUANLIANJIEDAOJIAOLIUDIANDIANWANGWANGLUOZHIQIANBEILVBO，MUDESHIZAIGUZHANGSHIJIANZHONGTIGONGANQUANGELIJIZAIYEJIANYUGONGDIANDIANWANGGELI。

上海11选5 　　DIERZHONGJIEGOUSHIFEIGELIFANGAN。QIZHONG，JIAOLIUDIANJIAOLIUDIANYAYOUSHENGYAJISHUCHUDEZHILIUDIANYAZHIJIECHANSHENG。

　　DISANZHONGJIEGOULIYONGGONGLVKAIGUANHEGONGLVERJIGUANDECHUANGXINXINGTUOPUJIEGOU，BASHENGYAHEJIAOLIUDIANJIAOLIUCHANSHENGBUFENDEGONGNENGZHENGHEZAIYIGEZHUANYONGTUOPUZHONG。YUANWENWEIZHI

上海11选5 　　JINGUANTAIYANGNENGDIANCHIBANDEZHUANHUANXIAOLVFEICHANGDI，RANGNIBIANQIDEXIAOLVJINKENENGJIEJIN100%QUEFEICHANGZHONGYAO。ZAIDEGUO，ANZHUANGZAICHAONANWUDINGSHANGDE3kWCHUANLIANMOKUAIYUJIMEINIANKEFADIAN2550 kWh。RUONIBIANQIXIAOLVCONG95%ZENGJIADAO96%，MEINIANBIANKEYIDUOFADIAN25kWh。ERLIYONGEWAIDETAIYANGNENGMOKUAICHANSHENGZHEI25kWhDEFEIYONGYUZENGJIAYIGENIBIANQIXIANGDANG。YOUYUXIAOLVCONG95%TIGAODAO96%BUHUISHIDAONIBIANQIDECHENGBENJIABEI，GUDUIGENGGAOXIAODENIBIANQIJINXINGTOUZISHIBIRANDEXUANZE。DUIXINXINGSHEJIERYAN，YIZUIJUCHENGBENXIAOYIDITIGAONIBIANQIXIAOLVSHIGUANJIANDESHEJIZHUNZE。YUANWENWEIZHI

　　ZHIYUNIBIANQIDEKEKAOXINGHECHENGBENZESHILINGWAILIANGGESHEJIZHUNZE。GENGGAODEXIAOLVKEYIJIANGDIFUZAIZHOUQISHANGDEWENDUBODONG，CONGERTIGAOKEKAOXING，YINCI，ZHEIXIEZHUNZESHIJISHANGSHIXIANGGUANLIANDE。MOKUAIDESHIYONGYEHUITIGAOKEKAOXING。

上海11选5 　　TU1SUOSHIDESUOYOUTUOPUDOUXUYAOKUAISUZHUANHUANDEGONGLVKAIGUAN。SHENGYAJIHEQUANQIAOBIANHUANJIXUYAOKUAISUZHUANHUANERJIGUAN。CIWAI，ZHUANMENWEIDIPIN(100Hz)ZHUANHUANERYOUHUADEKAIGUANDUIZHEIXIETUOPUYEHENYOUYONGCHU。DUIYURENHETEDINGDEGUIJISHU，ZHENDUIKUAISUZHUANHUANYOUHUADEKAIGUANBIZHENDUIDIPINZHUANHUANYINGYONGYOUHUADEKAIGUANJUYOUGENGGAODEDAOTONGSUNHAO。

上海11选5 　　II。YONGYUSHENGYAJIDEKAIGUANHEERJIGUAN

　　SHENGYAJIYIBANSHEJIWEILIANXUDIANLIUMOSHIZHUANHUANQI。GENJUSUOCAIYONGDEZHENLIEZHONGTAIYANGNENGMOKUAIDESHULIANG，LAIXUANZHESHIYONG600VHAISHI1200VDEQIJIAN。

　　GONGLVKAIGUANDELIANGGEXUANZESHIMOSFETHEIGBT。YIBANERYAN，MOSFETBIIGBTKEYIGONGZUOZAIGENGGAODEKAIGUANPINLVXIA。CIWAI，HAIBIXUSHIZHONGKAOLVTIERJIGUANDEYINGXIANG：ZAISHENGYAJIDEQINGKUANGXIABINGMEIYOUSHENMEWENTI，YINWEIZHENGCHANGGONGZUOMOSHIXIATIERJIGUANBUDAOTONG。MOSFETDEDAOTONGSUNHAOKEGENJUDAOTONGZUKANGRDS(ON)LAIJISUAN，DUIYUJIDINGDEMOSFETXILIE，ZHEIYUYOUXIAOLUOPIANMIANJICHENGBILIGUANXI。DANGEDINGDIANYACONG600VBIANHUADAO1200VSHI，MOSFETDECHUANDAOSUNHAOHUIDADAZENGJIA，YINCI，JISHIEDINGRDS(ON)XIANGDANG，1200VDEMOSFETYEBUKEYONGHUOSHIJIAGETAIGAO。

上海11选5 　　DUIYUEDING600VDESHENGYAKAIGUAN，KECAIYONGCHAOJIEMOSFET。DUIGAOPINKAIGUANYINGYONG，ZHEIZHONGJISHUJUYOUZUIJIADEDAOTONGSUNHAO。MUQIANSHIMIANSHANGYOUCAIYONGTO-220FENGZHUANG、RDS(ON)ZHIDIYU100HAOOUDEMOSFETHECAIYONGTO-247FENGZHUANG、RDS(ON)ZHIDIYU50HAOOUDEMOSFET。

　　DUIYUXUYAO1200VGONGLVKAIGUANDETAIYANGNENG，IGBTSHISHIDANGDEXUANZE。JIAOXIANJINDEIGBTJISHU，BIRUNPTZHANHAOHENPTLINGYUTINGZHI，DOUZHENDUIJIANGDIDAOTONGSUNHAOZUOLEYOUHUA，DANDAIJIASHIJIAOGAODEKAIGUANSUNHAO，ZHEISHIDETAMENBUTAISHIHEYUGAOPINXIADESHENGYAYINGYONG。

　　FEIZHAOBANDAOTIZAIJIUYOUNPTPINGMIANJISHUDEJICHUSHANGKAIFALEYIZHONGKEYITIGAOGAOKAIGUANPINLVDESHENGYADIANLUXIAOLVDEQIJIANFGL40N120AND，JUYOU43uJHEDEEOFF，BIJIAOCAIYONGGENGXIANJINJISHUQIJIANDEEOFFWEI80uJHEA，DANYAOHUODEZHEIZHONGXINGNENGQUEFEICHANGKUNNAN。FGL40N120ANDQIJIANDEQUEDIANZAIYUBAOHEYAJIANGVCE(SAT)(3.0VXIANGDUIYU125oCDE2.1V)JIAOGAO，BUGUOTAZAIGAOSHENGYAKAIGUANPINLVXIAKAIGUANSUNHAOHENDIDEYOUDIANYIZUYIMIBUZHEIYIQIE。GAIQIJIANHAIJICHENGLEFANBINGLIANERJIGUAN。ZAIZHENGCHANGSHENGYAGONGZUOXIA，GAIERJIGUANBUHUIDAOTONG。RANER，ZAIQIDONGQIJIANHUOSHUNBIANQINGKUANGXIA，SHENGYADIANLUYOUKENENGBEIQUSHIJINRUGONGZUOMOSHI，ZHEISHIGAIFANBINGLIANERJIGUANJIUHUIDAOTONG。YOUYUIGBTBENSHENMEIYOUGUYOUDETIERJIGUAN，GUXUYAOZHEIZHONGGONGFENGZHUANGDEERJIGUANLAIBAOZHENGKEKAODEGONGZUO。

　　DUISHENGYAERJIGUAN，XUYAOMIMIXINGDONG?HUOTANGUIERJIGUANZHEIYANGDEKUAISUHUIFUERJIGUAN。TANGUIERJIGUANJUYOUHENDIDEZHENGXIANGDIANYAHESUNHAO。BUGUOMUQIANTAMENDEJIAGEDOUHENGAOANG。

　　ZAIXUANZESHENGYAERJIGUANSHI，BIXUKAOLVDAOFANXIANGHUIFUDIANLIU(HUOTANGUIERJIGUANDEJIEDIANRONG)DUISHENGYAKAIGUANDEYINGXIANG，YINWEIZHEIHUIDAOZHIEWAIDESUNHAO。ZAIZHEILI，XINTUICHUDEMIMIXINGDONGIIERJIGUANFFP08S60SKEYITIGONGGENGGAODEXINGNENG。DANGVDD=390V、ID=8A、di/dt=200AHEWOMEN，QIEWAIQIAOWENDUWEI100oCSHI，JISUANDECHUDEKAIGUANSUNHAODIYUFFP08S60SDECANSHU205mJ。ERCAIYONGISL9R860P2MIMIXINGDONGERJIGUAN，ZHEIGEZHIZEDA225mJ。GUCIJUYETIGAOLENIBIANQIZAIGAOKAIGUANPINLVXIADEXIAOLV。

　　III。YONGYUQIAOJIEHEZHUANYONGJIDEKAIGUANHEERJIGUAN

上海11选5 　　LVBOZHIHOU，SHUCHUQIAOCHANSHENGYIGE50HzDEZHENGXIANDIANYAJIDIANLIUXINHAO。YIZHONGCHANGJIANDESHIXIANFANGANSHICAIYONGBIAOZHUNQUANQIAOJIEGOU(TU2)。TUZHONGRUOZUOSHANGFANGHEYOUXIAFANGDEKAIGUANDAOTONG，ZEZAIZUOYOUZHONGDUANZHIJIANJIAZAIYIGEZHENGDIANYA;YOUSHANGFANGHEZUOXIAFANGDEKAIGUANDAOTONG，ZEZAIZUOYOUZHONGDUANZHIJIANJIAZAIYIGEFUDIANYA。

上海11选5 　　DUIYUZHEIZHONGYINGYONG，ZAIMOUYISHIDUANZHIYOUYIGEKAIGUANDAOTONG。YIGEKAIGUANKEBEIQIEHUANDAOPWMGAOPINXIA，LINGYIKAIGUANZEZAI50HzDIPINXIA。YOUYUZIJUDIANLUYILAIYUDIDUANQIJIANDEZHUANHUAN，GUDIDUANQIJIANBEIQIEHUANDAOPWMGAOPINXIA，ERGAODUANQIJIANBEIQIEHUANDAO50HzDIPINXIA。YUANWENWEIZHI

　　ZHEIYINGYONGCAIYONGLE600VDEGONGLVKAIGUAN，GU600VCHAOJIEMOSFETFEICHANGSHIHEZHEIGEGAOSUDEKAIGUANQIJIAN。YOUYUZHEIXIEKAIGUANQIJIANZAIKAIGUANDAOTONGSHIHUICHENGSHOUQITAQIJIANDEQUANBUFANXIANGHUIFUDIANLIU，YINCIKUAISUHUIFUCHAOJIEQIJIANRU600V FCH47N60FSHISHIFENLIXIANGDEXUANZE。TADERDS(ON)WEI73HAOOU，XIANGBIQITATONGLEIDEKUAISUHUIFUQIJIANQIDAOTONGSUNHAOHENDI。DANGZHEIZHONGQIJIANZAI50HzXIAJINXINGZHUANHUANSHI，WUXUSHIYONGKUAISUHUIFUTEXING。ZHEIXIEQIJIANJUYOUCHUSEDEdv/dtHEdi/dtTEXING，BIJIAOBIAOZHUNCHAOJIEMOSFETKETIGAOXITONGDEKEKAOXING。

　　LINGYIGEZHIDETANTAODEXUANZESHICAIYONGFGH30N60LSDQIJIAN。TASHIYIKEBAOHEDIANYAVCE(SAT)ZHIYOU1.1VDE30A/600V IGBT。QIGUANDUANSUNHAOEOFFFEICHANGGAO，DA10mJ，GUZHISHIHEYUDIPINZHUANHUAN。YIGE50HAOOUDEMOSFETZAIGONGZUOWENDUXIADAOTONGZUKANGRDS(ON)WEI100HAOOU。YINCIZAI11ASHI，JUYOUHEIGBTDEVCE(SAT)XIANGTONGDEVDS。YOUYUZHEIZHONGIGBTJIYUJIAOJIUDEJICHUANJISHU，VCE(SAT)SUIWENDUDEBIANHUABUDA。YINCI，ZHEIZHONGIGBTKEJIANGDISHUCHUQIAOZHONGDEZONGTISUNHAO，CONGERTIGAONIBIANQIDEZONGTIXIAOLV。

　　FGH30N60LSD IGBTZAIMEIBANZHOUQICONGYIZHONGGONGLVZHUANHUANJISHUQIEHUANDAOLINGYIZHONGZHUANYONGTUOPUDEZUOFAYESHIFENYOUYONG。IGBTZAIZHEILIBEIYONGZUOTUOPUKAIGUAN。ZAIJIAOKUAISUDEZHUANHUANSHIZESHIYONGCHANGGUIJIKUAISUHUIFUCHAOJIEQIJIAN。

　　DUIYU1200VDEZHUANYONGTUOPUJIQUANQIAOJIEGOU，QIANMIANTIDAODEFGL40N120ANDSHIFEICHANGSHIHEYUXINXINGGAOPINTAIYANGNENGZHENGLIUQIDEKAIGUAN。DANGZHUANYONGJISHUXUYAOERJIGUANSHI，MIMIXINGDONGII、Hyperfast?IIERJIGUANJITANGUIERJIGUANSHIHENHAODEJIEJUEFANGAN。