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A three-phase steam-turbine synchronous generator is connected to an infinite bus. The generator excitation current is IF=1000 A at the time of synchronization with the bus. The generator has a synchronous reactance of Xs =1.5 per unit. With IF unchanged, the steam valves at the turbine are adjusted until the generator delivers an active power of Pg=0.2 per unit. Assuming the infinite bus is the reference voltage (Vt=1 at angle 0),
a)Find the generator load current
b)With the Pg unchanged, the excitation current is increased to 1600 A. Find the new load current.
Power Systems Theory Definitions and Formulas, Define, (a) The fault level of a system or unit in a system, (b) base MVA
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A circular loop TV antenna with 0.01 m2 area is in the presence of a uniform -amplitude 300 MHz signal. When oriented for maximum response, the loop develops an emf with a peak value of 20 mV. What is the peak magnitude of B of the incident wave?
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