A three-phase alternator operates at 450 volts with a power factor of 0~8.If the ammeter indicates 250 amperes, what should be the KW meter reading （）.<br>A:90~0 kw<br>B:127~27 kw<br>C:155~70 kw<br>D:194~85 kw

A three-phase alternator operates at 450 volts with a power factor of 0~8.If the ammeter indicates 250 amperes, what should be the KW meter reading （）.
A:90~0 kw
B:127~27 kw
C:155~70 kw
D:194~85 kw

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