The reactive power output of a synchronous generator is always capacitive (leadi

Question

The reactive power output of a synchronous generator is always capacitive (leading power factor) in always inductive (lagging power factory). can be both capacitive and inductive (leading and lagging power factor). A two-, Y-connected synchronous generator rated at 200 kVA, 480 V, 60 Hz and 0.8 PF lagging. Its armature resistance is 0.003 ohm and synchronous reactance 0.25 ohm, The internal induced voltage of each phase at the rated conditions is 277 V 322 V 383 V A three-phase synchronous generator is connected to a 60-Hz large power system. The generator has a no-load frequency of 61.5 Hz and a slope S_P of 150 MW/Hz. The real-power generated by the generator should be 225 MW 150 MW dependent on the load

Explanation / Answer

18.

The reactive power output of a synchronous generator may be capacitive or inductive depends on power factor. If the power factor is leading then it is capacitive and if the power factor is lagging then it is inductive.

Option C is correct.

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