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臺燈電路圖中,臺燈LH和LN的意義?

臺燈電路圖的LH和LN是什么意思?

臺燈電路圖中,臺燈LH和LN的意義?的問題共有2個回答

150****1474

LN=表示斷路器的額定電流。如ln=160A就表示該斷路器的額定電流是160A。LH是電流互感器,利用互感來檢測交流電流的,整個電路就是交流電流檢測,穿過LH線圈的線是要檢測的用電線路,使用互感器,可以不用剪斷線路來測交流電流,這種東西在配電柜很常見,儀表中的鉗形表,也是這個原理。臺燈(Desk lamp),是燈的一種,此電器主要放置在寫字臺或餐桌上,以供照明之用。臺燈的光亮照射范圍相對比較小和集中,因而不會影響到整個房間的光線,作用局限在臺燈周圍,便于閱讀、學習,節省能源。

2020-03-27

186****5350

就是輸入的L,N線(火線和零線)

2020-03-27

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