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。
youyujunyongdianyuanduocaiyongjinshuwaikepingbidefangshi,zhengtikangyanwu,fangchenfangshuidenggongnengkeyidedaobaozheng,duidianliuchuanganqideyaoqiuzhuyaojizhongzaigongzuowendufanweihewenpiaoshang,dangranshuchuwenboyijijingduyaoqiuyeshizuigenbendeyaoqiu。
baiaisidebihuancitongmendianliuchuanganqicaiyongcitongmenyuanli,juyoujigaodefenbianlv,keyicelianghaoanjidaoshuqianandianliu,juyouhengaodedongtaidianliufanwei,jibianshiyongshuqiananpeidedadianliuchuanganqiceliangjigeanpeidexiaodianliuyinengzuodaozhunquewuwu,zheyiqiedoudeyiyucitongmenyuanlidechaogaofenbianlv(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jiIp=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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