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Anonymous users2024-01-23Hello, the total power is 23 kilowatts, and when the three-phase four-wire power supply is adopted, the current is about 46A.
It is recommended to choose 3P63A for air switch.
30 square for 76KW and 25 square for 51KW.
The state stipulates that the safe voltage is 36V, which is calculated according to the human body resistance of the general population (generally greater than 1K), practice has proved that the human heart through the current of more than 40mA, can cause death, U=I*R, so, if someone has a particularly small resistance, 36V will also electrocute him. The body's response to electric current: >>>More
Calculate the current according to 40KW: I=P U 3 cos=40000 380 Considering the influence of the environment and laying method, leave 20 margin: 76 (1+20 )=; >>>More
200 kilowatts is calculated as his maximum current of 500A, which requires 240 square meters of aluminum wire or 185 square meters of copper wire.
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