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Q. A balanced delta-connected load with a per-phase impedance of 30+j10 is connected in parallel with a balanced wye-connected load with a per phase impedance of 40-j10 . This load combination is connected to a balanced three-phase supply through three conductors, each of which has a resistance of 0.4. The line-to-line voltage at the terminals of the load combination is measured to be 2000 V. Determine the power in kW:
(a) Delivered to the delta-connected load.
(b) Delivered to the wye-connected load.
(c) Lost in the line conductors.
Q. A 10-kW, 230-V shunt generator, with an armature-circuit resistance of 0.1 and a field- circuit resistance of 230 , delivers full load at rated voltage and 1000 r/min. If the
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