4千瓦电机150米长的距离应该用多粗的线啊? 4千瓦电机400米距离用多大电线?
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绛旓細4KW璐熻嵎1000绫宠窛绂閫夋嫨鐢电嚎 棰濆畾鐢垫祦绾7A 搴旂敤鍏紡锛歊锛漊/I S锛澫(L/R)鍔熺巼4KW锛岀數娴侊細I=7A锛岃窛绂伙細L锛1000绫筹紝鍏佽鐩哥數鍘嬪帇闄嶄负10V锛岀嚎鐢靛帇鍘嬮檷(2鏍圭嚎)20V銆傛眰绾块樆(鍙岀嚎)锛 R锛漊/I锛20/7锛2.86(惟)閾濈嚎鎴潰锛歋锛澫(L/R)锛0.029脳(1000/2.86)鈮10(mm²)瀹為檯閫夌敤6mm...