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Repeat Problem 10.1 assuming the diode to have a fixed Repeat Problem 10.1 assuming the diode to have a fixed 0.6 V voltage drop when it is ON but to be otherwise ideal. In addition, calculate the time-averaged power dissipation in the diode. Is this the question you were looking for? If so, place your […]

Repeat Problem 5.24 assuming that the saturated direct-axis sync Repeat Problem 5.24 assuming that the saturated direct-axis synchronous inductance Xd is equal to that found in Problem 5.15 and that the saturated quadrature-axis synchronous reactance Xq is equal to 75 percent of this value. Compare your answers to those found in Problem 5.24. Is this […]

Repeat Example 8.1 for a machine identical to that considered Repeat Example 8.1 for a machine identical to that considered in the example except that the stator pole-face angle is β = 45 Is this the question you were looking for? If so, place your order here to get started!

The magnetic circuit of figure consists of a core and a The magnetic circuit of figure consists of a core and a moveable plunger of width lp, each of permeability µ. The core has cross-sectional area A and means length Ac. The overlap area of the two air gaps Ag is a function of the […]

The nameplate of a dc generator indicates that it will The nameplate of a dc generator indicates that it will produce an output voltage of 24 V dc when operated at a speed of 1200 r/min. By what factor must the number of armature turns be changed such that, for the same field-flux per pole, […]

Repeat Example 5.9 assuming the generator is operating at one-ha Repeat Example 5.9 assuming the generator is operating at one-half of its rated kVA at a lagging power factor of 0.8 and rated terminal voltage. Is this the question you were looking for? If so, place your order here to get started!

Neglecting any effects of rotational and core losses, use MATLAB Neglecting any effects of rotational and core losses, use MATLAB to plot the internal torque versus speed curve for the induction motor of Problem 6.10 for rated-voltage, rated-frequency operation. On the same plot, plot curves of internal torque versus speed for this motor assuming the […]

From the dc magnetization curve of figure it is possible to From the dc magnetization curve of figure it is possible to calculate the relative permeability Âľr = Bc/(Âľ0Hc) for M-5 electrical steel as a function of the flux level Bc. Assuming the core of figure to be made of M-5 electrical steel with the […]

It is desired to achieve a time-varying magnetic flux density It is desired to achieve a time-varying magnetic flux density in the air gap of the magnetic circuit of figure of the form Bg = B0 + B1 sin wt where B0 = 0.5 T and Bl = 0.25 T. The dc field B0 is […]

Loss data for the motor of Problem 5.10 are as follows: Loss data for the motor of Problem 5.10 are as follows: Open-circuit core loss at 4160 V = 37 kW. Friction and windage loss = 46 kW. Field-winding resistance at 75째C = 0.279?. Compute the output power and efficiency when the motor is operating […]