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Home Q & A Board Science-Related Homework Help Physics
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rjedlicka rjedlicka
wrote...
Posts: 97
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12 years ago
i wanted to calculate the power of the three phase dc induction moter when it is connected in delta connection. Data...for star conn. power is 7.5 kw, 50 hz, 1445-57 rpm, 380-420 volts, 26,50 amps
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wrote...
#1
12 years ago
It will be the same as the star connection, provided that the line to line voltages are the same, which they should be.
wrote...
#2
12 years ago
Given the data for the star connection, to get the data for the delta connection, divide voltage by the square root of 3 and multiply current by the square root of 3. Rated frequency, power and speed remain the same. For your motor the data for the star connection should be; 7.5 kW, 50 Hz. 1445-57 RPM, 220-240 volts, 45,9 amps.
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