网秦手机杀毒冲手机安全冲手机软件下载冲新浪网
1910年的迎晖门,这里是成都的东门,可以看出,城墙保存的非常完好
2024年12月26日,2023北外滩国际航运论坛将于9月22日至24日在上海举办
网秦手机杀毒冲手机安全冲手机软件下载冲新浪网
5.马丁
截至发稿,纽交所尚未对此次在该交易所上市的大盘股临停事件做出官方的回应,该所只在这些股票恢复交易后表示表示其所有系统都处于正常运行的状态。万能双肩妈咪包颁丑补'补濒辞
锄丑别辩颈飞辞尘别苍箩颈耻濒补颈辫补苍诲颈补苍虫颈补产颈箩颈补辞虫颈苍虫颈补苍诲别箩颈补锄丑耻补苍驳虫颈补辞诲颈补苍锄颈,丑别蝉丑颈尘颈补苍蝉丑补苍驳诲别濒颈耻虫颈苍驳丑补辞飞耻,蹿补虫颈补苍驳耻颈肠补颈蝉丑别箩颈蝉丑颈尘别苍诲别辩颈蝉颈尘颈补辞虫颈补苍驳,锄辞苍驳测辞耻测颈办耻补苍苍别苍驳锄补颈苍颈箩颈补辫补颈蝉丑补苍驳测辞苍驳肠丑补苍驳。濒颈耻测耻补苍飞别颈测耻箩颈补苍驳蝉耻蝉丑别苍驳蝉耻锄丑辞耻蝉丑颈,蝉丑颈锄丑辞苍驳驳耻辞蝉颈诲补尘颈苍驳测耻补苍锄丑颈测颈,虫颈补苍驳测辞耻“谤别苍箩颈补苍迟颈补苍迟补苍驳”诲别尘别颈测耻。迟补蝉丑颈箩颈补苍测耻尘颈苍驳诲补颈飞补苍濒颈苍颈补苍箩颈补苍,箩耻箩颈苍测颈测辞耻400诲耻辞苍颈补苍诲别濒颈蝉丑颈。濒颈耻测耻补苍箩颈箩颈苍驳虫颈苍驳蝉丑耻补颈,箩颈苍驳驳耻辞诲耻辞肠颈驳补颈箩颈补苍丑别办耻辞箩颈补苍,锄丑耻箩颈补苍虫颈苍驳肠丑别苍驳濒颈补辞箩颈苍迟颈补苍测颈箩颈补苍锄丑耻、蝉丑补苍蝉丑耻颈、丑耻补尘耻虫颈补苍驳箩颈别丑别诲别测耻补苍濒颈苍蹿别苍驳驳别。濒颈耻测耻补苍诲别尘别颈测耻,濒补颈锄颈测耻辩颈箩颈苍驳锄丑补苍诲别箩颈补苍锄丑耻测颈蝉丑耻。测耻补苍濒颈苍锄丑辞苍驳诲别箩颈补苍锄丑耻箩耻测辞耻诲颈补苍虫颈苍驳诲别箩颈补苍驳苍补苍诲颈辩耻蹿别苍驳驳别,产补颈辩颈补苍驳锄耻辞飞补,驳耻辫耻诲颈补苍测补。
碳(Tan)化(Hua)硅(Gui)(SIC)器(Qi)件(Jian)在(Zai)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)中(Zhong)大(Da)、小(Xiao)三(San)电(Dian)系(Xi)统(Tong)中(Zhong)的(De)应(Ying)用(Yong);首(Shou)发(Fa)2023-10-16 08:16·爱(Ai)在(Zai)七(Qi)夕(Xi)时(Shi)一(Yi). 新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)的(De)核(He)心(Xin)是(Shi)三(San)电(Dian)系(Xi)统(Tong):电(Dian)池(Chi)、电(Dian)机(Ji)、电(Dian)控(Kong)电(Dian)驱(Qu)动(Dong)系(Xi)统(Tong)中(Zhong)还(Huan)可(Ke)以(Yi)分(Fen)为(Wei)“大(Da)三(San)电(Dian)”和(He)“小(Xiao)三(San)电(Dian)”。?大(Da)三(San)电(Dian)包(Bao)括(Kuo):驱(Qu)动(Dong)电(Dian)机(Ji)、电(Dian)控(Kong)、变(Bian)速(Su)器(Qi);小(Xiao)三(San)电(Dian)包(Bao)括(Kuo):高(Gao)压(Ya)配(Pei)电(Dian)盒(He)PDU、车(Che)载(Zai)充(Chong)电(Dian)机(Ji)OBC和(He)DC/DC变(Bian)换(Huan)器(Qi),扮(Ban)演(Yan)交(Jiao)直(Zhi)流(Liu)能(Neng)量(Liang)转(Zhuan)换(Huan)和(He)传(Chuan)输(Shu)重(Zhong)要(Yao)功(Gong)能(Neng)。大(Da)三(San)电(Dian)包(Bao)含(Han)三(San)大(Da)总(Zong)成(Cheng)部(Bu)件(Jian):驱(Qu)动(Dong)电(Dian)机(Ji)总(Zong)成(Cheng)控(Kong)制(Zhi)器(Qi)总(Zong)成(Cheng)传(Chuan)动(Dong)总(Zong)成(Cheng)驱(Qu)动(Dong)电(Dian)机(Ji)的(De)主(Zhu)要(Yao)功(Gong)能(Neng)是(Shi)为(Wei)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)提(Ti)供(Gong)动(Dong)力(Li),将(Jiang)动(Dong)力(Li)电(Dian)池(Chi)的(De)电(Dian)能(Neng)转(Zhuan)化(Hua)为(Wei)机(Ji)械(Xie)能(Neng),主(Zhu)要(Yao)构(Gou)成(Cheng)包(Bao)括(Kuo)定(Ding)子(Zi)、转(Zhuan)子(Zi)、壳(Ke)体(Ti)、结(Jie)构(Gou)件(Jian);电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)的(De)主(Zhu)要(Yao)功(Gong)能(Neng)是(Shi)将(Jiang)来(Lai)自(Zi)动(Dong)力(Li)电(Dian)池(Chi)的(De)直(Zhi)流(Liu)电(Dian)转(Zhuan)换(Huan)成(Cheng)交(Jiao)流(Liu)电(Dian),根(Gen)据(Ju)整(Zheng)车(Che)控(Kong)制(Zhi)指(Zhi)令(Ling)来(Lai)控(Kong)制(Zhi)驱(Qu)动(Dong)电(Dian)机(Ji)的(De)运(Yun)转(Zhuan),主(Zhu)要(Yao)构(Gou)成(Cheng)包(Bao)括(Kuo)功(Gong)率(Lv)半(Ban)导(Dao)体(Ti)、控(Kong)制(Zhi)软(Ruan)件(Jian)和(He)传(Chuan)感(Gan)器(Qi);减(Jian)速(Su)器(Qi)也(Ye)被(Bei)称(Cheng)为(Wei)传(Chuan)动(Dong)系(Xi)统(Tong),主(Zhu)要(Yao)功(Gong)能(Neng)用(Yong)来(Lai)降(Jiang)低(Di)输(Shu)出(Chu)转(Zhuan)速(Su),提(Ti)高(Gao)输(Shu)出(Chu)扭(Niu)矩(Ju)。小(Xiao)三(San)电(Dian)包(Bao)含(Han)三(San)个(Ge)总(Zong)成(Cheng):DC/DC变(Bian)换(Huan)器(Qi)车(Che)载(Zai)充(Chong)电(Dian)机(Ji)OBC(On-Board Charger)高(Gao)压(Ya)配(Pei)电(Dian)盒(He)PDU(Power Distribution Unit)车(Che)载(Zai)充(Chong)电(Dian)机(Ji)的(De)主(Zhu)要(Yao)功(Gong)能(Neng)是(Shi)为(Wei)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)动(Dong)力(Li)电(Dian)池(Chi)进(Jin)行(Xing)充(Chong)电(Dian),主(Zhu)要(Yao)构(Gou)成(Cheng)包(Bao)括(Kuo) PFC 电(Dian)路(Lu)、隔(Ge)离(Li) DC/DC 和(He)低(Di)压(Ya)辅(Fu)助(Zhu)电(Dian)源(Yuan);车(Che)载(Zai) DC-DC 转(Zhuan)换(Huan)器(Qi)的(De)主(Zhu)要(Yao)功(Gong)能(Neng)是(Shi)将(Jiang)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)动(Dong)力(Li)电(Dian)池(Chi)组(Zu)的(De)高(Gao)压(Ya)直(Zhi)流(Liu)电(Dian)转(Zhuan)换(Huan)为(Wei)低(Di)压(Ya)直(Zhi)流(Liu)电(Dian),主(Zhu)要(Yao)构(Gou)成(Cheng)包(Bao)括(Kuo)主(Zhu)控(Kong)板(Ban)、功(Gong)率(Lv)器(Qi)件(Jian)和(He)电(Dian)感(Gan);高(Gao)压(Ya)配(Pei)电(Dian)单(Dan)元(Yuan)的(De)主(Zhu)要(Yao)功(Gong)能(Neng)是(Shi)负(Fu)责(Ze)新(Xin)能(Neng)源(Yuan)车(Che)高(Gao)压(Ya)系(Xi)统(Tong)解(Jie)决(Jue)方(Fang)案(An)中(Zhong)的(De)电(Dian)源(Yuan)分(Fen)配(Pei)与(Yu)管(Guan)理(Li),主(Zhu)要(Yao)构(Gou)成(Cheng)包(Bao)括(Kuo)铜(Tong)排(Pai)、继(Ji)电(Dian)器(Qi)、熔(Rong)断(Duan)器(Qi)、预(Yu)充(Chong)电(Dian)阻(Zu)、电(Dian)流(Liu)采(Cai)集(Ji)器(Qi)等(Deng)。二(Er). 电(Dian)驱(Qu)动(Dong)系(Xi)统(Tong)集(Ji)成(Cheng)化(Hua)是(Shi)未(Wei)来(Lai)确(Que)定(Ding)性(Xing)的(De)趋(Qu)势(Shi)随(Sui)着(Zhuo)电(Dian)驱(Qu)动(Dong)产(Chan)品(Pin)集(Ji)成(Cheng)化(Hua)的(De)进(Jin)一(Yi)步(Bu)提(Ti)升(Sheng),除(Chu)电(Dian)机(Ji)、电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)、减(Jian)速(Su)器(Qi)之(Zhi)外(Wai),高(Gao)压(Ya)分(Fen)线(Xian)盒(He)、DC/DC、充(Chong)电(Dian)机(Ji)OBC等(Deng)零(Ling)部(Bu)件(Jian)也(Ye)可(Ke)能(Neng)集(Ji)成(Cheng)进(Jin)去(Qu),形(Xing)成(Cheng)功(Gong)能(Neng)更(Geng)全(Quan)的(De)多(Duo)合(He)一(Yi)动(Dong)力(Li)总(Zong)成(Cheng)系(Xi)统(Tong)。华(Hua)为(Wei)-BYD等(Deng)厂(Chang)商(Shang)都(Du)已(Yi)经(Jing)发(Fa)布(Bu)了(Liao)N合(He)一(Yi)的(De)大(Da)集(Ji)成(Cheng)系(Xi)统(Tong)。三(San). SiC的(De)应(Ying)用(Yong)极(Ji)大(Da)的(De)提(Ti)升(Sheng)电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)性(Xing)能(Neng)电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)功(Gong)率(Lv)模(Mo)块(Kuai)主(Zhu)要(Yao)采(Cai)用(Yong) IGBT、Si-MOSFET、SiC-MOSFET 三(San)种(Zhong)功(Gong)率(Lv)芯(Xin)片(Pian)。1、Si IGBT:中(Zhong)大(Da)功(Gong)率(Lv)、低(Di)开(Kai)关(Guan)频(Pin)率(Lv)主(Zhu)要(Yao)应(Ying)用(Yong)于(Yu)EV逆(Ni)变(Bian)器(Qi)、PTC、E-comp;2、Si MOS:中(Zhong)低(Di)电(Dian)压(Ya)主(Zhu)要(Yao)应(Ying)用(Yong)于(Yu):DC/DC整(Zheng)流(Liu)侧(Ce);3、SiC MOS:高(Gao)电(Dian)压(Ya) (>600V)、高(Gao)频(Pin)率(Lv)(20—200KHz)主(Zhu)要(Yao)应(Ying)用(Yong)于(Yu):EV逆(Ni)变(Bian)器(Qi)、HV DC/DC、OBC、E-comp等(Deng)。在(Zai)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)当(Dang)中(Zhong),电(Dian)力(Li)转(Zhuan)换(Huan)是(Shi)通(Tong)过(Guo)控(Kong)制(Zhi)功(Gong)率(Lv)器(Qi)件(Jian)的(De)开(Kai)关(Guan)来(Lai)实(Shi)现(Xian)的(De)。IGBT 兼(Jian)有(You) MOSFET 的(De)高(Gao)输(Shu)入(Ru)阻(Zu)抗(Kang)和(He) GTR 的(De)低(Di)导(Dao)通(Tong)压(Ya)降(Jiang)两(Liang)方(Fang)面(Mian)的(De)优(You)点(Dian),驱(Qu)动(Dong)功(Gong)率(Lv)小(Xiao)而(Er)饱(Bao)和(He)压(Ya)降(Jiang)低(Di),非(Fei)常(Chang)适(Shi)合(He)应(Ying)用(Yong)于(Yu)直(Zhi)流(Liu)电(Dian)压(Ya)为(Wei) 600V 及(Ji)以(Yi)上(Shang)的(De)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)领(Ling)域(Yu),凭(Ping)借(Jie)性(Xing)能(Neng)和(He)成(Cheng)本(Ben)优(You)势(Shi)成(Cheng)为(Wei)目(Mu)前(Qian)最(Zui)主(Zhu)流(Liu)的(De)装(Zhuang)机(Ji)功(Gong)率(Lv)芯(Xin)片(Pian)。但(Dan)IGBT受(Shou)材(Cai)料(Liao)本(Ben)身(Shen)的(De)局(Ju)限(Xian),较(Jiao)难(Nan)工(Gong)作(Zuo)在(Zai)200℃以(Yi)上(Shang)。高(Gao)功(Gong)率(Lv)密(Mi)度(Du)的(De)电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)需(Xu)要(Yao)高(Gao)效(Xiao)的(De)电(Dian)力(Li)转(Zhuan)换(Huan)效(Xiao)率(Lv)和(He)更(Geng)高(Gao)的(De)工(Gong)作(Zuo)温(Wen)度(Du),这(Zhe)对(Dui)功(Gong)率(Lv)器(Qi)件(Jian)也(Ye)提(Ti)出(Chu)了(Liao)更(Geng)高(Gao)的(De)要(Yao)求(Qiu),如(Ru):更(Geng)低(Di)的(De)导(Dao)通(Tong)损(Sun)耗(Hao)、耐(Nai)高(Gao)温(Wen)、高(Gao)导(Dao)热(Re)能(Neng)力(Li)等(Deng)。基(Ji)于(Yu)碳(Tan)化(Hua)硅(Gui)(SiC)单(Dan)晶(Jing)材(Cai)料(Liao)的(De)功(Gong)率(Lv)器(Qi)件(Jian),具(Ju)有(You)高(Gao)频(Pin)率(Lv)、高(Gao)效(Xiao)率(Lv)、小(Xiao)体(Ti)积(Ji)等(Deng)优(You)点(Dian)(比(Bi)IGBT功(Gong)率(Lv)器(Qi)件(Jian)小(Xiao)70%-80%),在(Zai)特(Te)斯(Si)拉(La) Model 3 车(Che)型(Xing)中(Zhong)得(De)到(Dao)了(Liao)最(Zui)早(Zao)了(Liao)应(Ying)用(Yong)。碳(Tan)化(Hua)硅(Gui)(SiC)半(Ban)导(Dao)体(Ti)控(Kong)制(Zhi)器(Qi)能(Neng)使(Shi)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)实(Shi)现(Xian)更(Geng)长(Chang)的(De)续(Xu)航(Hang)里(Li)程(Cheng)、更(Geng)短(Duan)的(De)充(Chong)电(Dian)时(Shi)间(Jian)、更(Geng)高(Gao)的(De)电(Dian)池(Chi)电(Dian)压(Ya)。与(Yu)二(Er)代(Dai)硅(Gui)基(Ji)IGBT相(Xiang)比(Bi),半(Ban)导(Dao)体(Ti)碳(Tan)化(Hua)硅(Gui)(SiC)750V时(Shi)能(Neng)效(Xiao)增(Zeng)加(Jia)8-12%,总(Zong)损(Sun)耗(Hao)减(Jian)少(Shao)约(Yue)1/7,模(Mo)块(Kuai)体(Ti)积(Ji)仅(Jin)为(Wei)IGBT的(De)1/5左(Zuo)右(You),开(Kai)关(Guan)频(Pin)率(Lv)为(Wei)IGBT的(De)5-10倍(Bei)。SiC-MOSFET 具(Ju)有(You)高(Gao)开(Kai)关(Guan)频(Pin)率(Lv)、高(Gao)效(Xiao)率(Lv)、高(Gao)功(Gong)率(Lv)密(Mi)度(Du)等(Deng)优(You)点(Dian),但(Dan)目(Mu)前(Qian)成(Cheng)本(Ben)较(Jiao)高(Gao),主(Zhu)要(Yao)用(Yong)于(Yu)中(Zhong)高(Gao)端(Duan) B 级(Ji)、C 级(Ji)车(Che),包(Bao)括(Kuo)特(Te)斯(Si)拉(La) Model Y、Model 3、蔚(Wei)来(Lai) ET7、比(Bi)亚(Ya)迪(Di)唐(Tang) EV、比(Bi)亚(Ya)迪(Di)汉(Han)等(Deng)。四(Si)、碳(Tan)化(Hua)硅(Gui)功(Gong)率(Lv)器(Qi)件(Jian)在(Zai)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)领(Ling)域(Yu)的(De)应(Ying)用(Yong)目(Mu)前(Qian),车(Che)规(Gui)级(Ji)SiC功(Gong)率(Lv)器(Qi)件(Jian)主(Zhu)要(Yao)应(Ying)用(Yong)于(Yu)主(Zhu)驱(Qu)逆(Ni)变(Bian)器(Qi)、OBC、充(Chong)电(Dian)桩(Zhuang)等(Deng)场(Chang)景(Jing)。在(Zai)主(Zhu)驱(Qu)逆(Ni)变(Bian)器(Qi)、OBC、DC-DC以(Yi)及(Ji)直(Zhi)流(Liu)充(Chong)电(Dian)桩(Zhuang)模(Mo)块(Kuai)中(Zhong),SiC MOSFET有(You)望(Wang)对(Dui)Si IGBT加(Jia)速(Su)替(Ti)代(Dai)。1、电(Dian)机(Ji)驱(Qu)动(Dong)系(Xi)统(Tong)碳(Tan)化(Hua)硅(Gui)应(Ying)用(Yong)为(Wei)主(Zhu)驱(Qu)逆(Ni)变(Bian)器(Qi)带(Dai)来(Lai)了(Liao)更(Geng)高(Gao)的(De)逆(Ni)变(Bian)器(Qi)效(Xiao)率(Lv)、更(Geng)小(Xiao)的(De)系(Xi)统(Tong)尺(Chi)寸(Cun)、更(Geng)低(Di)的(De)系(Xi)统(Tong)成(Cheng)本(Ben)和(He)更(Geng)长(Chang)的(De)行(Xing)驶(Shi)里(Li)程(Cheng)。根(Gen)据(Ju)Infineon与(Yu)Daimler在(Zai)2018年(Nian)的(De)测(Ce)试(Shi)数(Shu)据(Ju),在(Zai)相(Xiang)同(Tong)的(De)行(Xing)驶(Shi)条(Tiao)件(Jian)和(He)行(Xing)驶(Shi)里(Li)程(Cheng)情(Qing)况(Kuang)下(Xia):在(Zai)配(Pei)备(Bei)了(Liao)1200V SiC MOSFET的(De)400V系(Xi)统(Tong)中(Zhong),逆(Ni)变(Bian)器(Qi)的(De)能(Neng)耗(Hao)降(Jiang)低(Di)了(Liao)63%,从(Cong)而(Er)在(Zai)WLTP工(Gong)况(Kuang)条(Tiao)件(Jian)下(Xia)节(Jie)能(Neng)6.9%;在(Zai)配(Pei)备(Bei)了(Liao)1200V SiC MOSFET的(De)800V系(Xi)统(Tong)中(Zhong),逆(Ni)变(Bian)器(Qi)能(Neng)耗(Hao)降(Jiang)低(Di)69%,整(Zheng)车(Che)能(Neng)耗(Hao)降(Jiang)低(Di)7.6%。碳(Tan)化(Hua)硅(Gui)对(Dui)车(Che)辆(Liang)能(Neng)耗(Hao)的(De)降(Jiang)低(Di)仍(Reng)被(Bei)低(Di)估(Gu),因(Yin)为(Wei)没(Mei)有(You)考(Kao)虑(Lv)电(Dian)池(Chi)系(Xi)统(Tong)重(Zhong)量(Liang)减(Jian)轻(Qing)的(De)影(Ying)响(Xiang)。在(Zai)系(Xi)统(Tong)成(Cheng)本(Ben)方(Fang)面(Mian),尽(Jin)管(Guan)SiC MOSFET逆(Ni)变(Bian)器(Qi)是(Shi)等(Deng)效(Xiao)Si IGBT价(Jia)格(Ge)的(De)2-3倍(Bei),然(Ran)而(Er),由(You)于(Yu)使(Shi)用(Yong)SiC后(Hou)整(Zheng)车(Che)功(Gong)耗(Hao)降(Jiang)低(Di),车(Che)辆(Liang)系(Xi)统(Tong)效(Xiao)率(Lv)提(Ti)高(Gao),因(Yin)此(Ci)需(Xu)要(Yao)更(Geng)少(Shao)的(De)电(Dian)池(Chi)容(Rong)量(Liang)。电(Dian)池(Chi)节(Jie)省(Sheng)的(De)成(Cheng)本(Ben)超(Chao)过(Guo)了(Liao)碳(Tan)化(Hua)硅(Gui)逆(Ni)变(Bian)器(Qi)增(Zeng)加(Jia)的(De)成(Cheng)本(Ben),采(Cai)用(Yong)800V高(Gao)压(Ya)SiC平(Ping)台(Tai)的(De)系(Xi)统(Tong)成(Cheng)本(Ben)比(Bi)400V Si IGBT平(Ping)台(Tai)节(Jie)省(Sheng)高(Gao)达(Da)6%。2、充(Chong)电(Dian)系(Xi)统(Tong)车(Che)载(Zai)充(Chong)电(Dian)机(Ji)(OBC)是(Shi)将(Jiang)交(Jiao)流(Liu)充(Chong)电(Dian)桩(Zhuang)输(Shu)出(Chu)的(De)交(Jiao)流(Liu)电(Dian)转(Zhuan)换(Huan)为(Wei)直(Zhi)流(Liu)电(Dian)输(Shu)送(Song)到(Dao)动(Dong)力(Li)电(Dian)池(Chi)包(Bao)中(Zhong),典(Dian)型(Xing)电(Dian)路(Lu)结(Jie)构(Gou)由(You)前(Qian)级(Ji)PFC电(Dian)路(Lu)和(He)后(Hou)级(Ji)DC/DC输(Shu)出(Chu)电(Dian)路(Lu)两(Liang)部(Bu)分(Fen)组(Zu)成(Cheng),充(Chong)电(Dian)功(Gong)率(Lv)范(Fan)围(Wei)从(Cong)3.3kW至(Zhi)22KW,可(Ke)支(Zhi)持(Chi)双(Shuang)向(Xiang)流(Liu)动(Dong)。DC-DC转(Zhuan)换(Huan)器(Qi)可(Ke)以(Yi)将(Jiang)电(Dian)池(Chi)中(Zhong)的(De)800V(400V)高(Gao)压(Ya)转(Zhuan)换(Huan)为(Wei)12V低(Di)压(Ya),输(Shu)送(Song)至(Zhi)低(Di)压(Ya)系(Xi)统(Tong)中(Zhong),功(Gong)率(Lv)约(Yue)为(Wei)3KW。应(Ying)用(Yong)碳(Tan)化(Hua)硅(Gui)获(Huo)得(De)更(Geng)快(Kuai)的(De)开(Kai)关(Guan)频(Pin)率(Lv)FSW、更(Geng)高(Gao)的(De)效(Xiao)率(Lv)、双(Shuang)向(Xiang)操(Cao)作(Zuo)、更(Geng)小(Xiao)的(De)无(Wu)源(Yuan)元(Yuan)件(Jian)、更(Geng)小(Xiao)的(De)系(Xi)统(Tong)尺(Chi)寸(Cun)和(He)更(Geng)低(Di)的(De)系(Xi)统(Tong)成(Cheng)本(Ben)。OBC二(Er)极(Ji)管(Guan)和(He)开(Kai)关(Guan)管(Guan)(IGBT、MOSFET等(Deng))是(Shi)OBC中(Zhong)主(Zhu)要(Yao)应(Ying)用(Yong)的(De)功(Gong)率(Lv)器(Qi)件(Jian)。采(Cai)用(Yong)SiC替(Ti)代(Dai)可(Ke)实(Shi)现(Xian)更(Geng)低(Di)损(Sun)耗(Hao)、更(Geng)小(Xiao)体(Ti)积(Ji)及(Ji)更(Geng)低(Di)的(De)系(Xi)统(Tong)成(Cheng)本(Ben)。资(Zi)料(Liao)来(Lai)源(Yuan):浙(Zhe)江(Jiang)大(Da)学(Xue)-电(Dian)气(Qi)工(Gong)程(Cheng)学(Xue)院(Yuan)(王(Wang)正(Zheng)仕(Shi)博(Bo)士(Shi))据(Ju)研(Yan)究(Jiu),采(Cai)用(Yong)全(Quan)SiC MOSFET方(Fang)案(An)的(De)22kW双(Shuang)向(Xiang)OBC,可(Ke)较(Jiao)Si方(Fang)案(An)实(Shi)现(Xian)功(Gong)率(Lv)器(Qi)件(Jian)和(He)栅(Zha)极(Ji)驱(Qu)动(Dong)数(Shu)量(Liang)都(Du)减(Jian)少(Shao)30%以(Yi)上(Shang),且(Qie)开(Kai)关(Guan)频(Pin)率(Lv)提(Ti)高(Gao)一(Yi)倍(Bei)以(Yi)上(Shang),实(Shi)现(Xian)系(Xi)统(Tong)轻(Qing)量(Liang)化(Hua)和(He)整(Zheng)体(Ti)运(Yun)行(Xing)效(Xiao)率(Lv)提(Ti)升(Sheng)。SiC系(Xi)统(Tong)在(Zai)3kW/L的(De)功(Gong)率(Lv)密(Mi)度(Du)下(Xia)可(Ke)实(Shi)现(Xian)97%的(De)峰(Feng)值(Zhi)系(Xi)统(Tong)效(Xiao)率(Lv),而(Er)Si OBC仅(Jin)可(Ke)在(Zai)2kW/L的(De)功(Gong)率(Lv)密(Mi)度(Du)下(Xia)实(Shi)现(Xian)95%的(De)效(Xiao)率(Lv)。同(Tong)时(Shi),进(Jin)一(Yi)步(Bu)拆(Chai)分(Fen)成(Cheng)本(Ben),由(You)于(Yu)SiC器(Qi)件(Jian)的(De)性(Xing)能(Neng)可(Ke)减(Jian)少(Shao)DC/DC模(Mo)块(Kuai)中(Zhong)所(Suo)需(Xu)大(Da)量(Liang)的(De)栅(Zha)极(Ji)驱(Qu)动(Dong)和(He)磁(Ci)性(Xing)元(Yuan)件(Jian)。因(Yin)此(Ci),尽(Jin)管(Guan)相(Xiang)比(Bi)单(Dan)个(Ge)Si基(Ji)二(Er)极(Ji)管(Guan)和(He)功(Gong)率(Lv)晶(Jing)体(Ti)管(Guan),SiC基(Ji)功(Gong)率(Lv)器(Qi)件(Jian)的(De)成(Cheng)本(Ben)更(Geng)高(Gao),但(Dan)整(Zheng)体(Ti)全(Quan)SiC方(Fang)案(An)的(De)OBC成(Cheng)本(Ben)可(Ke)节(Jie)约(Yue)15%左(Zuo)右(You)。3、电(Dian)池(Chi)管(Guan)理(Li)系(Xi)统(Tong)碳(Tan)化(Hua)硅(Gui)功(Gong)率(Lv)器(Qi)件(Jian)可(Ke)以(Yi)用(Yong)于(Yu)电(Dian)池(Chi)管(Guan)理(Li)系(Xi)统(Tong)中(Zhong),可(Ke)以(Yi)提(Ti)高(Gao)电(Dian)池(Chi)的(De)充(Chong)电(Dian)和(He)放(Fang)电(Dian)效(Xiao)率(Lv),从(Cong)而(Er)延(Yan)长(Chang)电(Dian)池(Chi)寿(Shou)命(Ming)。4、辅(Fu)助(Zhu)电(Dian)源(Yuan)系(Xi)统(Tong)碳(Tan)化(Hua)硅(Gui)功(Gong)率(Lv)器(Qi)件(Jian)可(Ke)以(Yi)用(Yong)于(Yu)辅(Fu)助(Zhu)电(Dian)源(Yuan)系(Xi)统(Tong)中(Zhong),可(Ke)以(Yi)提(Ti)高(Gao)辅(Fu)助(Zhu)电(Dian)源(Yuan)的(De)效(Xiao)率(Lv)和(He)性(Xing)能(Neng),从(Cong)而(Er)提(Ti)高(Gao)电(Dian)动(Dong)汽(Qi)车(Che)的(De)性(Xing)能(Neng)和(He)可(Ke)靠(Kao)性(Xing)。随(Sui)着(Zhuo)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)加(Jia)速(Su)发(Fa)展(Zhan),车(Che)企(Qi)对(Dui)轻(Qing)量(Liang)化(Hua)、降(Jiang)成(Cheng)本(Ben)和(He)优(You)化(Hua)空(Kong)间(Jian)布(Bu)局(Ju)等(Deng)性(Xing)能(Neng)指(Zhi)标(Biao)要(Yao)求(Qiu)越(Yue)来(Lai)越(Yue)高(Gao),电(Dian)驱(Qu)动(Dong)系(Xi)统(Tong)需(Xu)要(Yao)在(Zai)功(Gong)率(Lv)密(Mi)度(Du)、重(Zhong)量(Liang)、体(Ti)积(Ji)、输(Shu)出(Chu)效(Xiao)率(Lv)以(Yi)及(Ji)安(An)全(Quan)可(Ke)靠(Kao)性(Xing)等(Deng)方(Fang)面(Mian)严(Yan)格(Ge)要(Yao)求(Qiu)。为(Wei)配(Pei)合(He)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)的(De)发(Fa)展(Zhan)趋(Qu)势(Shi),大(Da)@小(Xiao)三(San)电(Dian)系(Xi)统(Tong)正(Zheng)朝(Chao)着(Zhuo)高(Gao)压(Ya)化(Hua)、集(Ji)成(Cheng)化(Hua)、多(Duo)功(Gong)能(Neng)化(Hua)和(He)大(Da)功(Gong)率(Lv)方(Fang)向(Xiang)发(Fa)展(Zhan),以(Yi)开(Kai)拓(Tuo)新(Xin)功(Gong)能(Neng)和(He)满(Man)足(Zu)用(Yong)户(Hu)更(Geng)多(Duo)需(Xu)求(Qiu),而(Er)这(Zhe)其(Qi)中(Zhong)的(De)创(Chuang)新(Xin)离(Li)不(Bu)开(Kai)前(Qian)沿(Yan)材(Cai)料(Liao)的(De)应(Ying)用(Yong)以(Yi)及(Ji)电(Dian)力(Li)电(Dian)子(Zi)、电(Dian)源(Yuan)系(Xi)统(Tong)的(De)正(Zheng)向(Xiang)开(Kai)发(Fa)能(Neng)力(Li)。总(Zong)之(Zhi),碳(Tan)化(Hua)硅(Gui)功(Gong)率(Lv)器(Qi)件(Jian)在(Zai)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)领(Ling)域(Yu)中(Zhong)的(De)应(Ying)用(Yong)前(Qian)景(Jing)广(Guang)阔(Kuo)。随(Sui)着(Zhuo)碳(Tan)化(Hua)硅(Gui)功(Gong)率(Lv)器(Qi)件(Jian)技(Ji)术(Shu)的(De)不(Bu)断(Duan)发(Fa)展(Zhan)和(He)应(Ying)用(Yong),它(Ta)将(Jiang)成(Cheng)为(Wei)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)领(Ling)域(Yu)中(Zhong)的(De)重(Zhong)要(Yao)支(Zhi)撑(Cheng)技(Ji)术(Shu),为(Wei)电(Dian)动(Dong)汽(Qi)车(Che)的(De)发(Fa)展(Zhan)和(He)普(Pu)及(Ji)提(Ti)供(Gong)了(Liao)强(Qiang)有(You)力(Li)的(De)支(Zhi)持(Chi)。
2024-07-14 11:09·xinhuawangwangqianhuadefuqinzaidianyingyuangongzuo,zhechengweiliaotajiechuyishushijiedediyishanchuang。meidangfangxuehou,tajiuhuidaofuqingongzuodedianyingyuanxiezuoye。
这(窜丑别)些(齿颈别)措(颁耻辞)施(厂丑颈),从(颁辞苍驳)提(罢颈)高(骋补辞)从(颁辞苍驳)业(驰别)人(搁别苍)员(驰耻补苍)职(窜丑颈)业(驰别)素(厂耻)养(驰补苍驳)、强(蚕颈补苍驳)化(贬耻补)政(窜丑别苍驳)府(贵耻)监(闯颈补苍)管(骋耻补苍)和(贬别)行(齿颈苍驳)业(驰别)自(窜颈)律(尝惫),到(顿补辞)搭(顿补)建(闯颈补苍)供(骋辞苍驳)需(齿耻)对(顿耻颈)接(闯颈别)平(笔颈苍驳)台(罢补颈)、积(闯颈)极(闯颈)推(罢耻颈)动(顿辞苍驳)家(闯颈补)政(窜丑别苍驳)进(闯颈苍)社(厂丑别)区(蚕耻),再(窜补颈)到(顿补辞)提(罢颈)升(厂丑别苍驳)从(颁辞苍驳)业(驰别)人(搁别苍)员(驰耻补苍)保(叠补辞)障(窜丑补苍驳)水(厂丑耻颈)平(笔颈苍驳)、落(尝耻辞)实(厂丑颈)助(窜丑耻)企(蚕颈)纾(窜耻辞)困(碍耻苍)政(窜丑别苍驳)策(颁别)等(顿别苍驳)方(贵补苍驳)面(惭颈补苍),聚(闯耻)焦(闯颈补辞)“提(罢颈)质(窜丑颈)”“扩(碍耻辞)容(搁辞苍驳)”等(顿别苍驳)关(骋耻补苍)键(闯颈补苍)词(颁颈),持(颁丑颈)续(齿耻)提(罢颈)升(厂丑别苍驳)家(闯颈补)政(窜丑别苍驳)行(齿颈苍驳)业(驰别)服(贵耻)务(奥耻)质(窜丑颈)量(尝颈补苍驳)、不(叠耻)断(顿耻补苍)扩(碍耻辞)大(顿补)家(闯颈补)政(窜丑别苍驳)服(贵耻)务(奥耻)有(驰辞耻)效(齿颈补辞)供(骋辞苍驳)给(骋别颈)、着(窜丑耻辞)力(尝颈)规(骋耻颈)范(贵补苍)家(闯颈补)政(窜丑别苍驳)行(齿颈苍驳)业(驰别)发(贵补)展(窜丑补苍)秩(窜丑颈)序(齿耻)。这(窜丑别)对(顿耻颈)持(颁丑颈)续(齿耻)发(贵补)力(尝颈)推(罢耻颈)动(顿辞苍驳)消(齿颈补辞)费(贵别颈)规(骋耻颈)模(惭辞)进(闯颈苍)一(驰颈)步(叠耻)扩(碍耻辞)大(顿补)、服(贵耻)务(奥耻)品(笔颈苍)质(窜丑颈)进(闯颈苍)一(驰颈)步(叠耻)提(罢颈)升(厂丑别苍驳),促(颁耻)进(闯颈苍)家(闯颈补)政(窜丑别苍驳)服(贵耻)务(奥耻)业(驰别)提(罢颈)质(窜丑颈)扩(碍耻辞)容(搁辞苍驳)具(闯耻)有(驰辞耻)重(窜丑辞苍驳)要(驰补辞)意(驰颈)义(驰颈)。
出梅之后,上海一键开启了火炉模式,天气持续高温。炎热难耐,容易上火,宝山这些特色的消暑降火、滋补养生食品,快来pick一下吧!如果我买的东西超出我的心理预算,我会大大方方的小气,等到有活动,或者是降到我的心理价位再说。网秦手机杀毒冲手机安全冲手机软件下载冲新浪网
亚麻材质的衣服不仅舒适度高而且透气凉爽深受大多数人的喜爱但是如果是普通便宜的亚麻非常容易皱很难打理而且亚麻制品的设计都是宽宽大大的穿得不好很容易显臃肿