Electrical Transformers and Rotating Machines
Electrical Transformers and Rotating Machines
4th Edition
ISBN: 9781305494817
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 16, Problem 4RQ

What is a synchroscope?

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Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 12 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 50 kg/s. Determine: (a) the net power developed, in kW. (b) the rate of heat transfer to the steam passing through the boiler, in kW. (c) the percent thermal efficiency. (d) the mass flow rate of condenser cooling water, in kg/s, if the cooling water undergoes a temperature increase of 18°C with negligible pressure change in passing through the condenser.
4. The figure below shows a bent pipe with the external loading FA 228 lb, and M₁ = M₂ = 1 kip-ft. The force Fernal loading FA = 300 lb, FB: parallel to the y-axis, and and yc = 60°. = 125 lb, Fc = acts parallel to the x-z plane, the force FB acts Cartesian resultan Coordinate direction angles of Fc are ac = 120°, ẞc = 45°, a. Compute the resultant force vector of the given external loading and express it in EST form. b. Compute the resultant moment vector of the given external loading about the origin, O, and express it in Cartesian vector form. Use the vector method while computing the moments of forces. c. Compute the resultant moment vector of the given external loading about the line OA and express it in Cartesian vector form. :00 PM EST k ghoufran@buffaternal du 2 ft M₁ A 40° FA M2 C 18 in 1 ft Fc 25 houfran@bald.edu - Feb 19, 3 ft FB
The differential equation of a cruise control system is provided by the following equation:    Find the closed loop transfer function with respect to the reference velocity (vr) . a. Find the poles of the closed loop transfer function for different values of K. How does the poles move as you change K? b. Find the step response for different values of K and plot in MATLAB. What can you observe? c. For the given transfer function, find tp, ts, tr, Mp . Plot the resulting step response. G(s) = 40/(s^2 + 4s + 40)
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