產品分類
Products相關文章
Related articles產品中心/ PRODUCTS
簡要描述:電(dian)(dian)纜試(shi)驗設備規(gui)格在電(dian)(dian)容(rong)兩(liang)端并聯(lian)一個分壓(ya)器(qi)作測(ce)量及(ji)反饋之用(yong),這樣就(jiu)可(ke)構成(cheng)該套裝置(zhi)。諧振(zhen)時,電(dian)(dian)感上及(ji)電(dian)(dian)容(rong)上獲得的電(dian)(dian)壓(ya)大,而大多數的被試(shi)品(pin)都可(ke)以等效(xiao)成(cheng)一個電(dian)(dian)容(rong)器(qi)。
聯系電話:0514-88779136
對于(yu)任何一(yi)個電(dian)(dian)(dian)(dian)抗(kang)器(qi)(qi)(其電(dian)(dian)(dian)(dian)感為L)和電(dian)(dian)(dian)(dian)容器(qi)(qi)(其電(dian)(dian)(dian)(dian)容為C)組成的(de)串聯LC諧(xie)(xie)(xie)振電(dian)(dian)(dian)(dian)路(lu)(lu)而言,他都(dou)有一(yi)個固(gu)定的(de)頻(pin)率(lv)f=1/2π根號LC,當外加電(dian)(dian)(dian)(dian)源(yuan)信號的(de)頻(pin)率(lv)等于(yu)這(zhe)(zhe)個頻(pin)率(lv)時,該(gai)電(dian)(dian)(dian)(dian)路(lu)(lu)將(jiang)發生諧(xie)(xie)(xie)振。諧(xie)(xie)(xie)振時,電(dian)(dian)(dian)(dian)感上(shang)及(ji)(ji)電(dian)(dian)(dian)(dian)容上(shang)獲得(de)的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)大,而大多數(shu)的(de)被試品都(dou)可(ke)以等效(xiao)成一(yi)個電(dian)(dian)(dian)(dian)容器(qi)(qi)。基于(yu)這(zhe)(zhe)一(yi)思想,在串聯諧(xie)(xie)(xie)振電(dian)(dian)(dian)(dian)路(lu)(lu)前(qian)提供一(yi)個調節頻(pin)率(lv)又可(ke)調節電(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)變(bian)頻(pin)變(bian)壓(ya)(ya)電(dian)(dian)(dian)(dian)源(yuan),在電(dian)(dian)(dian)(dian)容兩(liang)端并聯一(yi)個分壓(ya)(ya)器(qi)(qi)作測量及(ji)(ji)反饋之用,這(zhe)(zhe)樣(yang)就可(ke)構(gou)成該(gai)套裝置。
產品技術指標:
電纜試驗設備規格環境溫度: -10℃~45℃
工作濕度: ≤90%
海拔高度: ≤2000m
電源輸入: 380V±10%三相或 220V±10%單相(10kW以下),50Hz
額定試驗容量: 0~5000kVA
諧振電壓: 0~1000kV
頻率調節范圍: 0.1~300Hz
電纜試驗設備規格系統測量精度: 1.0級
頻率調節分辨率: 0.02Hz
不穩定度: ≤0.05%
輸出波形: 正弦波
波形畸變率: ≤0.5%
噪聲: 60dB
電抗器Q值: 30~120
成套裝置構成
變頻調壓電源:既可改變輸出的頻率、又可改變其輸出的電壓。
激勵變壓器: 起耦合信號及電壓變換的作用,并按自身的變比來提升電壓。
電抗器: 與被試品串聯,構成LC回路。
分壓器: 用來測量被試品上的電壓,同時作為采樣信號反饋給儀器。
補償電(dian)容器: 用來(lai)調整被試品頻率。