Physics, 07.12.2019 06:31 jeffreyaxtell4132
A3 ϕ, 11 kv, 60 hz, 25 mva, y-connected cylindrical-rotor synchronous machine generator has ra =0: 45 ω per phase and xs =4: 5 ω per phase. the generator delivers the rated load at 11 kv and 0.85 lagging power factor. determine the excitation voltage, ef , for this operating condition.
Answers: 2
Physics, 22.06.2019 09:00
The pressure proportional to the area a- inversely b- directly c- increase d-decrease
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Physics, 22.06.2019 16:30
The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
A3 ϕ, 11 kv, 60 hz, 25 mva, y-connected cylindrical-rotor synchronous machine generator has ra =0: 4...
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