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軍用電源有很多標準,核心指標包括工作環境溫度,溫漂,以及符合GJB367.2-87標準下的抗震動衝擊,防水、防鹽霧等指標的電源。

由you於yu軍jun用yong電dian源yuan多duo采cai用yong金jin屬shu外wai殼ke屏ping蔽bi的de方fang式shi,整zheng體ti抗kang鹽yan霧wu,防fang塵chen防fang水shui等deng功gong能neng可ke以yi得de到dao保bao證zheng,對dui電dian流liu傳chuan感gan器qi的de要yao求qiu主zhu要yao集ji中zhong在zai工gong作zuo溫wen度du範fan圍wei和he溫wen漂piao上shang,當dang然ran輸shu出chu紋wen波bo以yi及ji精jing度du要yao求qiu也ye是shi最zui根gen本ben的de要yao求qiu。
柏(bai)艾(ai)斯(si)的(de)閉(bi)環(huan)磁(ci)通(tong)門(men)電(dian)流(liu)傳(chuan)感(gan)器(qi)采(cai)用(yong)磁(ci)通(tong)門(men)原(yuan)理(li),具(ju)有(you)極(ji)高(gao)的(de)分(fen)辨(bian)率(lv),可(ke)以(yi)測(ce)量(liang)毫(hao)安(an)級(ji)到(dao)數(shu)千(qian)安(an)電(dian)流(liu),具(ju)有(you)很(hen)高(gao)的(de)動(dong)態(tai)電(dian)流(liu)範(fan)圍(wei),即(ji)便(bian)是(shi)用(yong)數(shu)千(qian)安(an)培(pei)的(de)大(da)電(dian)流(liu)傳(chuan)感(gan)器(qi)測(ce)量(liang)幾(ji)個(ge)安(an)培(pei)的(de)小(xiao)電(dian)流(liu)亦(yi)能(neng)做(zuo)到(dao)準(zhun)確(que)無(wu)誤(wu),這(zhe)一(yi)切(qie)都(dou)得(de)益(yi)於(yu)磁(ci)通(tong)門(men)原(yuan)理(li)的(de)超(chao)高(gao)分(fen)辨(bian)率(lv)(磁通門原理測量磁場,是目前工業市場最高的,相對於霍爾原理來說,分辨能力提高1-2個以上數量級)。
閉環磁通門電流傳感器的原理是:磁(ci)芯(xin)中(zhong)的(de)原(yuan)本(ben)對(dui)稱(cheng)的(de)波(bo)形(xing)由(you)於(yu)外(wai)加(jia)電(dian)流(liu)磁(ci)場(chang)變(bian)得(de)不(bu)再(zai)對(dui)稱(cheng),不(bu)對(dui)稱(cheng)程(cheng)度(du)即(ji)反(fan)映(ying)原(yuan)邊(bian)被(bei)測(ce)電(dian)流(liu)的(de)大(da)小(xiao)。我(wo)們(men)通(tong)過(guo)反(fan)饋(kui)線(xian)圈(quan)是(shi)的(de)磁(ci)芯(xin)中(zhong)磁(ci)通(tong)為(wei)零(ling),波(bo)形(xing)重(zhong)新(xin)變(bian)得(de)對(dui)稱(cheng),二(er)次(ci)補(bu)償(chang)線(xian)圈(quan)中(zhong)的(de)電(dian)流(liu)大(da)小(xiao)乘(cheng)以(yi)匝(za)數(shu)即(ji)為(wei)原(yuan)邊(bian)電(dian)流(liu)的(de)大(da)小(xiao),通(tong)過(guo)輸(shu)出(chu)副(fu)邊(bian)補(bu)償(chang)電(dian)流(liu),我(wo)們(men)可(ke)以(yi)推(tui)算(suan)出(chu)原(yuan)邊(bian)電(dian)流(liu)的(de)大(da)小(xiao)即(ji)Ip=Is*N.
波形如下圖:

0.1%精度磁通門電流傳感器FIx係列,零點漂移不大於20uA,溫度範圍-40℃~80℃內幾乎無溫漂,是最理想的軍用電源測電流裝置。

0.01%精度磁通門電流傳感器 HPTIM係列,額定量程100-3000A

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