Engineering, 15.04.2020 23:43 gshreya2005

A dc shunt generator rated at 85 kW produces a voltage of 280 V. The brush voltage drop is 2.5 V, and the armature and field resistances are 0.09 Ω and 115 Ω, respectively. The generator delivers rated current at rated speed and rated voltage. (a) Calculate the field, armature, and load currents versus load. Test the equations with the rated load. (b) Determine the terminal voltage at no-load and at rated load conditions. (c) Calculate the voltage regulation of the generator. Use the no-load voltage as the base value. (d) Plot the terminal voltage as a function of the load. Determine the load that corresponds to a 5% voltage drop using the no-load voltage as the base

Answers: 2

Show answers

Other questions on the subject: Engineering

Engineering, 03.07.2019 14:10, cowgyrlup124

Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.

Answers: 1

continue

Engineering, 04.07.2019 18:10, tobyhollingsworth178

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer

Answers: 2

continue

Engineering, 04.07.2019 18:20, rbgrh9465

An open feedwater heater operates at steady state with liquid entering at inlet 1 with t? = 40°c and pl = 1 .2 mpa. water vapor att2-200°c and p2 = 1.2 mpa enters at inlet 2. saturated liquid water exits with a pressure of pa 1.2 mpa. neglect heat transfer with the surroundings and all kinetic and potential energy effects, determine the mass flow rate of steam at inlet 2 if the mass flow rate of liquid water at inlet 1 is given as 2 kg/s.

Answers: 3

continue

Engineering, 04.07.2019 18:20, rocio5649

Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa. s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)

Answers: 3

continue

You know the right answer?

A dc shunt generator rated at 85 kW produces a voltage of 280 V. The brush voltage drop is 2.5 V, an...