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        I = E/R = 380/54 = 7

        †Î P = 380*7 =2.66KW

        Èý P =/3 * E*I = 1.7*380*7 = 4.5KW

        18/3 =6 ½M

        ¿‚ P = 4.5 * 6 = 27 KW

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