Traditional Culture Encyclopedia - Hotel accommodation - The electricity consumption of the hotel kitchen is 380V, and the total power of a kitchen is 76KW. The other is 5 1KW. How many wires were used respectively? Better give a formula ~
The electricity consumption of the hotel kitchen is 380V, and the total power of a kitchen is 76KW. The other is 5 1KW. How many wires were used respectively? Better give a formula ~
1. Generally, the safety flux of copper wire is 5-8A per square millimeter, and that of aluminum wire is 3-5a;
2, 380V means that you have three-phase mains input, some are three-phase and some are single-phase. So this line calculates the average current of each phase:
Kitchen1:(76000w ÷ 3) ÷ 220v =115a, copper cable diameter115 ÷ 8 =14mm2.
Besides, the kitchen counts.
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