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整(Zheng)流(Liu)器(Qi)电(Dian)路(Lu)

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  • 发(Fa)布(Bu)时(Shi)间(Jian):(?)2024-11-21
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在(Zai)用(Yong)于(Yu)交(Jiao)流(Liu)连(Lian)接(Jie)和(He)用(Yong)于(Yu)5V以(Yi)下(Xia)非(Fei)常(Chang)低(Di)的(De)交(Jiao)流(Liu)输(Shu)出(Chu)电(Dian)压(Ya)的(De)单(Dan)相(Xiang)桥(Qiao)接(Jie)电(Dian)路(Lu)中(Zhong),(?)以(Yi)单(Dan)相(Xiang)中(Zhong)心(Xin)抽(Chou)头(Tou)电(Dian)路(Lu)作(Zuo)为(Wei)阴(Yin)极(Ji)保(Bao)护(Hu)变(Bian)压(Ya)整(Zheng)流(Liu)器(Qi)的(De)整(Zheng)流(Liu)电(Dian)路(Lu)。(?)其(Qi)效(Xiao)率(Lu)为(Wei)60%~75%,(?)残(Can)余(Yu)频(Pin)率(Lu)100Hz的(De)波(Bo)纹(Wen)电(Dian)流(Liu)48%。(?)输(Shu)出(Chu)大(Da)约(Yue)2kW时(Shi),(?)采(Cai)用(Yong)三(San)相(Xiang)交(Jiao)流(Liu)电(Dian)的(De)三(San)相(Xiang)桥(Qiao)式(Shi)整(Zheng)流(Liu)电(Dian)路(Lu)更(Geng)为(Wei)经(Jing)济(Ji)。(?)其(Qi)效(Xiao)率(Lu)约(Yue)为(Wei)80%~90%,(?)残(Can)余(Yu)频(Pin)率(Lu)300Hz的(De)波(Bo)纹(Wen)电(Dian)流(Liu)4%。(?)该(Gai)残(Can)余(Yu)波(Bo)纹(Wen)电(Dian)流(Liu)对(Dui)保(Bao)护(Hu)电(Dian)流(Liu)的(De)电(Dian)化(Hua)学(Xue)作(Zuo)用(Yong)没(Mei)有(You)明(Ming)显(Xian)影(Ying)响(Xiang),(?)所(Suo)以(Yi)这(Zhe)两(Liang)种(Zhong)电(Dian)路(Lu)同(Tong)等(Deng)有(You)效(Xiao)。(?)

(1)波(Bo)纹(Wen)电(Dian)流(Liu)能(Neng)加(Jia)快(Kuai)镀(Du)铂(Bo)钛(Tai)阳(Yang)极(Ji)的(De)消(Xiao)耗(Hao),(?)使(Shi)它(Ta)们(Men)过(Guo)早(Zao)失(Shi)效(Xiao)。(?)残(Can)余(Yu)波(Bo)纹(Wen)电(Dian)流(Liu)应(Ying)限(Xian)制(Zhi)在(Zai)以(Yi)下(Xia)是(Shi)对(Dui)残(Can)余(Yu)波(Bo)纹(Wen)电(Dian)流(Liu)的(De)限(Xian)制(Zhi)条(Tiao)件(Jian)。(?)5%(见(Jian) 7.2.2节(Jie))[7]。(?)

(2)在(Zai)不(Bu)对(Dui)称(Cheng)连(Lian)接(Jie)的(De)通(Tong)信(Xin)电(Dian)缆(Lan)的(De)阴(Yin)极(Ji)保(Bao)护(Hu)中(Zhong),(?)屏(Ping)蔽(Bi)电(Dian)流(Liu)的(De)波(Bo)纹(Wen)会(Hui)造(Zao)成(Cheng)传(Chuan)输(Shu)线(Xian)路(Lu)中(Zhong)信(Xin)号(Hao)失(Shi)真(Zhen)。(?)在(Zai)此(Ci)情(Qing)况(Kuang)下(Xia),(?)残(Can)余(Yu)波(Bo)纹(Wen)电(Dian)流(Liu)限(Xian)制(Zhi)在(Zai)5%就(Jiu)足(Zu)够(Gou)了(Liao)。(?)

(3)在(Zai)阴(Yin)极(Ji)保(Bao)护(Hu)的(De)水(Shui)管(Guan)线(Xian)中(Zhong),(?)电(Dian)感(Gan)流(Liu)量(Liang)计(Ji)会(Hui)受(Shou)到(Dao)管(Guan)子(Zi)电(Dian)流(Liu)波(Bo)纹(Wen)的(De)影(Ying)响(Xiang)。(?)这(Zhe)些(Xie)仪(Yi)表(Biao)的(De)生(Sheng)产(Chan)企(Qi)业(Ye)必(Bi)须(Xu)保(Bao)证(Zheng)允(Yun)许(Xu)5%的(De)波(Bo)纹(Wen)电(Dian)流(Liu)。(?)

采(Cai)用(Yong)包(Bao)括(Kuo)扼(E)流(Liu)圈(Quan)和(He)电(Dian)容(Rong)器(Qi)在(Zai)内(Nei)的(De)滤(Lu)波(Bo)电(Dian)路(Lu)能(Neng)够(Gou)降(Jiang)低(Di)最(Zui)大(Da)电(Dian)流(Liu)约(Yue)20A、(?)最(Zui)大(Da)电(Dian)压(Ya)约(Yue)20V的(De)单(Dan)相(Xiang)整(Zheng)流(Liu)器(Qi)的(De)残(Can)余(Yu)波(Bo)纹(Wen)电(Dian)流(Liu)。(?)对(Dui)于(Yu)更(Geng)大(Da)的(De)输(Shu)出(Chu)及(Ji)与(Yu)负(Fu)载(Zai)无(Wu)关(Guan)的(De)恒(Heng)定(Ding)残(Can)余(Yu)波(Bo)纹(Wen)电(Dian)流(Liu),(?)惟(Wei)有(You)采(Cai)用(Yong)三(San)相(Xiang)桥(Qiao)接(Jie)电(Dian)路(Lu)才(Cai)有(You)可(Ke)能(Neng),(?)它(Ta)总(Zong)是(Shi)比(Bi)滤(Lu)波(Bo)电(Dian)路(Lu)更(Geng)令(Ling)人(Ren)满(Man)意(Yi)。(?)半(Ban)

变(Bian)压(Ya)整(Zheng)流(Liu)器(Qi)的(De)额(E)定(Ding)值(Zhi)是(Shi)指(Zhi)外(Wai)界(Jie)温(Wen)度(Du)35℃(?)下(Xia)的(De)值(Zhi)。(?)更(Geng)高(Gao)的(De)温(Wen)度(Du)需(Xu)要(Yao)专(Zhuan)门(Men)设(She)计(Ji)的(De)某(Mou)些(Xie)部(Bu)件(Jian),(?)这(Zhe)需(Xu)要(Yao)与(Yu)生(Sheng)产(Chan)企(Qi)业(Ye)讨(Tao)论(Lun)确(Que)定(Ding)。(?)通(Tong)常(Chang),(?)变(Bian)压(Ya)整(Zheng)流(Liu)器(Qi)备(Bei)有(You)自(Zi)然(Ran)通(Tong)风(Feng)的(De)自(Zi)行(Xing)冷(Leng)却(Que)功(Gong)能(Neng)。(?)如(Ru)果(Guo)用(Yong)风(Feng)扇(Shan)强(Qiang)制(Zhi)通(Tong)风(Feng)会(Hui)严(Yan)重(Zhong)污(Wu)染(Ran)设(She)备(Bei),(?)所(Suo)以(Yi)不(Bu)宜(Yi)采(Cai)用(Yong)。(?)在(Zai)特(Te)别(Bie)苛(Ke)刻(Ke)的(De)气(Qi)候(Hou)条(Tiao)件(Jian)下(Xia)(如(Ru)热(Re)带(Dai)的(De)水(Shui)中(Zhong)钢(Gang)质(Zhi)构(Gou)筑(Zhu)物(Wu)),(?)大(Da)型(Xing)设(She)备(Bei)需(Xu)要(Yao)采(Cai)用(Yong)油(You)冷(Leng)装(Zhuang)置(Zhi)。(?)这(Zhe)能(Neng)有(You)效(Xiao)地(Di)保(Bao)护(Hu)整(Zheng)流(Liu)管(Guan)和(He)变(Bian)压(Ya)器(Qi),(?)消(Xiao)除(Chu)热(Re)量(Liang),(?)并(Bing)使(Shi)带(Dai)有(You)集(Ji)电(Dian)器(Qi)的(De)可(Ke)变(Bian)变(Bian)压(Ya)比(Bi)的(De)变(Bian)压(Ya)器(Qi)免(Mian)受(Shou)大(Da)气(Qi)环(Huan)境(Jing)的(De)影(Ying)响(Xiang)。(?)

硒(Xi)整(Zheng)流(Liu)管(Guan)或(Huo)硅(Gui)堆(Dui)是(Shi)整(Zheng)流(Liu)器(Qi)设(She)备(Bei)中(Zhong)的(De)重(Zhong)要(Yao)部(Bu)件(Jian)。(?)硒(Xi)整(Zheng)流(Liu)器(Qi)对(Dui)过(Guo)载(Zai)电(Dian)流(Liu)、(?)短(Duan)路(Lu)、(?)过(Guo)电(Dian)压(Ya)均(Jun)不(Bu)敏(Min)感(Gan),(?)可(Ke)采(Cai)用(Yong)惰(Duo)性(Xing)保(Bao)险(Xian)丝(Si)保(Bao)护(Hu)。(?)硒(Xi)整(Zheng)流(Liu)器(Qi)操(Cao)作(Zuo)格(Ge)外(Wai)安(An)全(Quan),(?)所(Suo)以(Yi)在(Zai)所(Suo)有(You)阴(Yin)极(Ji)保(Bao)护(Hu)变(Bian)压(Ya)整(Zheng)流(Liu)器(Qi)正(Zheng)常(Chang)应(Ying)用(Yong)中(Zhong)被(Bei)优(You)先(Xian)选(Xuan)用(Yong),(?)将(Jiang)几(Ji)块(Kuai)硒(Xi)堆(Dui)串(Chuan)联(Lian)连(Lian)接(Jie)在(Zai)一(Yi)起(Qi),(?)使(Shi)输(Shu)出(Chu)电(Dian)压(Ya)超(Chao)过(Guo)20V,(?)因(Yin)为(Wei)它(Ta)们(Men)的(De)势(Shi)垒(Lei)电(Dian)压(Ya)很(Hen)低(Di),(?)只(Zhi)有(You)25~30V。(?)这(Zhe)将(Jiang)造(Zao)成(Cheng)损(Sun)耗(Hao)与(Yu)体(Ti)积(Ji)快(Kuai)速(Su)增(Zeng)加(Jia),(?)比(Bi)用(Yong)硅(Gui)大(Da)得(De)多(Duo),(?)在(Zai)那(Na)里(Li),(?)电(Dian)桥(Qiao)每(Mei)一(Yi)段(Duan)一(Yi)个(Ge)整(Zheng)流(Liu)管(Guan)就(Jiu)足(Zu)以(Yi)有(You)很(Hen)高(Gao)的(De)输(Shu)出(Chu)电(Dian)压(Ya)。(?)这(Zhe)是(Shi)众(Zhong)所(Suo)周(Zhou)知(Zhi)的(De)硅(Gui)在(Zai)整(Zheng)流(Liu)器(Qi)设(She)计(Ji)中(Zhong)优(You)势(Shi)的(De)基(Ji)础(Chu),(?)但(Dan)在(Zai)低(Di)输(Shu)出(Chu)电(Dian)压(Ya)的(De)阴(Yin)极(Ji)保(Bao)护(Hu)变(Bian)压(Ya)整(Zheng)流(Liu)器(Qi)中(Zhong)它(Ta)无(Wu)效(Xiao)。(?)硅(Gui)整(Zheng)流(Liu)管(Guan)对(Dui)过(Guo)载(Zai)电(Dian)流(Liu)和(He)过(Guo)电(Dian)压(Ya)非(Fei)常(Chang)敏(Min)感(Gan),(?)需(Xu)要(Yao)用(Yong)快(Kuai)速(Su)响(Xiang)应(Ying)安(An)全(Quan)装(Zhuang)置(Zhi)和(He)电(Dian)压(Ya)限(Xian)压(Ya)器(Qi)加(Jia)以(Yi)保(Bao)护(Hu)。(?)它(Ta)们(Men)的(De)确(Que)有(You)非(Fei)常(Chang)高(Gao)的(De)势(Shi)垒(Lei)电(Dian)压(Ya),(?)但(Dan)不(Bu)能(Neng)像(Xiang)硒(Xi)整(Zheng)流(Liu)器(Qi)那(Na)样(Yang)抑(Yi)制(Zhi)短(Duan)暂(Zan)、(?)低(Di)能(Neng)量(Liang)的(De)电(Dian)压(Ya)峰(Feng)值(Zhi),(?)这(Zhe)归(Gui)因(Yin)于(Yu)它(Ta)们(Men)极(Ji)小(Xiao)的(De)势(Shi)垒(Lei)电(Dian)流(Liu),(?)当(Dang)发(Fa)生(Sheng)这(Zhe)种(Zhong)情(Qing)况(Kuang)时(Shi),(?)它(Ta)们(Men)就(Jiu)熄(Xi)弧(Hu)了(Liao)。(?)与(Yu)之(Zhi)相(Xiang)反(Fan),(?)硒(Xi)整(Zheng)流(Liu)器(Qi)发(Fa)生(Sheng)熄(Xi)弧(Hu)时(Shi)能(Neng)够(Gou)自(Zi)行(Xing)修(Xiu)复(Fu)。(?)在(Zai)苛(Ke)刻(Ke)的(De)气(Qi)候(Hou)条(Tiao)件(Jian)下(Xia),(?)优(You)先(Xian)选(Xuan)用(Yong)硅(Gui),(?)因(Yin)为(Wei)硅(Gui)整(Zheng)流(Liu)管(Guan)能(Neng)够(Gou)良(Liang)好(Hao)密(Mi)封(Feng),(?)从(Cong)而(?)不(Bu)受(Shou)大(Da)气(Qi)环(Huan)境(Jing)变(Bian)化(Hua)的(De)影(Ying)响(Xiang),(?)而(?)且(Qie),(?)允(Yun)许(Xu)的(De)运(Yun)行(Xing)温(Wen)度(Du)较(Jiao)硒(Xi)多(Duo)少(Shao)高(Gao)一(Yi)些(Xie)。(?)硅(Gui)整(Zheng)流(Liu)管(Guan)专(Zhuan)用(Yong)于(Yu)高(Gao)压(Ya)变(Bian)压(Ya)整(Zheng)流(Liu)器(Qi)。(?)即(Ji)使(Shi)势(Shi)垒(Lei)电(Dian)压(Ya)远(Yuan)高(Gao)于(Yu)放(Fang)电(Dian)器(Qi)的(De)响(Xiang)应(Ying)电(Dian)压(Ya),(?)采(Cai)用(Yong)气(Qi)体(Ti)放(Fang)电(Dian)器(Qi)也(Ye)无(Wu)法(Fa)保(Bao)护(Hu)整(Zheng)流(Liu)器(Qi)完(Wan)全(Quan)不(Bu)受(Shou)过(Guo)电(Dian)压(Ya)的(De)影(Ying)响(Xiang)。(?)原(Yuan)因(Yin)在(Zai)于(Yu)放(Fang)电(Dian)器(Qi)响(Xiang)应(Ying)时(Shi)间(Jian)较(Jiao)长(Chang)(几(Ji)微(Wei)秒(Miao)),(?)而(?)半(Ban)导(Dao)体(Ti)熄(Xi)弧(Hu)快(Kuai)得(De)多(Duo),(?)只(Zhi)需(Xu)几(Ji)

纳(Na)秒(Miao)。(?)业(Ye)已(Yi)证(Zheng)实(Shi)采(Cai)用(Yong)硒(Xi)和(He)电(Dian)容(Rong)器(Qi)的(De)电(Dian)压(Ya)限(Xian)压(Ya)器(Qi)可(Ke)以(Yi)保(Bao)护(Hu)硅(Gui)整(Zheng)流(Liu)管(Guan)免(Mian)受(Shou)过(Guo)电(Dian)压(Ya)的(De)影(Ying)响(Xiang)。(?)


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