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電阻器的型號

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 1、陶瓷管型啟動式線繞電阻器將固定圈數(shù)成形于陶瓷管上，選擇適當(dāng)電阻合金線材，順著陶瓷管上旋狀牙溝纏繞，該啟動電阻器功率大且堅固，耐高溫、散熱性優(yōu)，電阻溫度系數(shù)小、呈直線變化，適合大電流做短時間過負(fù)載時使用，適用于電動機啟動、負(fù)載測試、產(chǎn)業(yè)機械、電力分配、儀器設(shè)備及自動控制裝置等

    2、電力鋁殼電阻器是彈簧合金電阻體與成形鋁殼的組合，將其經(jīng)高溫陽極處理后，再以特殊不燃性耐熱水泥充填固定，所以不怕外來的機械力量與塵埃環(huán)境。這種電阻器不但功率大而且堅固，耐振，散熱良好，電阻溫度系數(shù)小，呈直線變化，適用于產(chǎn)業(yè)機械、負(fù)載測試、電力分配、儀器設(shè)備及自動控制裝置等。