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Power of Electric Motors
POWER Current
DC P1 = U*I*n[ W ] I = P/U [ A ]
1 Ph AC P1 = U * I * cos Phi [ W ] I = P1 /(U * cos Phi * eff) [ A ]
3 Ph AC P = 1.73 * U * I * cos Phi I = P1 /( 1.73 * U * cos Phi * Eff ) [ A ]
No. of Poles Synchronous Speeds Full load Speed
2 3000 2800 - 2950
4 1500 1400 - 1470
6 1000 900 - 985
8 750 690 - 735
10 600 550 - 585
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