2mm單芯線可耐啟動電流嗎? - 機車
By Tristan Cohan
at 2015-12-19T20:26
at 2015-12-19T20:26
Table of Contents
以前都會定期檢查補充電瓶水量(加水式電瓶12N7A-3A)
年紀越大就越懶常常想到時已經低於水量下限
上網查到免加水式7號薄型電池(GT7B-BS)長寬尺寸差不多
買了一顆替換掉用了5年的12N7A-3A
不過比較麻煩的是正負極的腳位剛好相反
好在GT7B-BS比較矮,負極接地線勉強可以勾得到
不過正極線就要多拉線才可以了
翻了一下庫存料發現有一條電線是以前家裡配電時的剩料
規格是直徑2MM的單芯銅線,換算大約是12AWG
我知道單芯比絞線在同單位面積可耐電流還高
12AWG依絕緣材質不同安全可耐電流約36~55A
換算12V機車的電系可承受約432~660W功率
請問這樣可以完全cover啟動馬達電發時的電流嗎?
因為看到負極線跟正極的啟動馬達線都好粗一條有點怕怕的
不過啟動也只是幾秒鐘的瞬間電流,
應該比長時的安全可耐電流多一些也沒差吧?
--
年紀越大就越懶常常想到時已經低於水量下限
上網查到免加水式7號薄型電池(GT7B-BS)長寬尺寸差不多
買了一顆替換掉用了5年的12N7A-3A
不過比較麻煩的是正負極的腳位剛好相反
好在GT7B-BS比較矮,負極接地線勉強可以勾得到
不過正極線就要多拉線才可以了
翻了一下庫存料發現有一條電線是以前家裡配電時的剩料
規格是直徑2MM的單芯銅線,換算大約是12AWG
我知道單芯比絞線在同單位面積可耐電流還高
12AWG依絕緣材質不同安全可耐電流約36~55A
換算12V機車的電系可承受約432~660W功率
請問這樣可以完全cover啟動馬達電發時的電流嗎?
因為看到負極線跟正極的啟動馬達線都好粗一條有點怕怕的
不過啟動也只是幾秒鐘的瞬間電流,
應該比長時的安全可耐電流多一些也沒差吧?
--
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