### Calculate the power converted to mechanical power

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##### Reference no: EM13226839

A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W. Mechanical losses are 250 W. Stray losses are 1.5% of the input power. Calculate the power converted to mechanical power, the output power (9.26 kW), the output torque, and the motor efficiency (92.6%).

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 Calculate the inductive reactance per meter of single-phase : Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 3cm and the distance between the two conductors is 2m . Calculate the voltage at the transmitting end : A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4×10?11 S/mile, resistance (R) is 0.1 ?/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile. Specify the value of a smaller inductance : A single-phase, 60-Hz power will be transmitted through the transmission line Each subconductor's radius is 10 cm. There are two configurations, the first one is setting subconductors A and B as a bundle, and C and D as another bundle Determine what is the frequency of oscillation : For a Wien-bridge oscillator Given R = 20Kohm and C = 10nF what is the frequency of oscillation Given a required frequency of oscillation of f = 3kHz and R = 5kohm, what should the value of C be Calculate the power converted to mechanical power : A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W. Mechanical losses are 250 W. Stray losses are 1.5% of the input power Determine what is the transmission angle : A 5 GHz parallel polarized wave with amplitude 5 V/m is oblique incident from an air of (z 0. The angle of incidence is 53.13 deg. What is the transmission angle Calculate the current at the transmitting end : A) If 220kV, 220 MVA with power factor 0.8 lagging is determined to be at the receiving end, calculate the voltage at the transmitting end. B) If 220kV, 220 MVA with power factor 0.8 lagging is determined to be at the receiving end Calculate the unit impulse and the unit step responses : A simple low-pass discrete-time filter is characterized by the following linear difference equation: y[n] = f y[n-1] +(1- f) x[n] , with 0  1 Draw and clearly label an adder-gain-delay diagram for the filter. using the same difference equation from a.. At what time t2 has 50 percent of the initial energy stored : A 190-F capacitance is initially charged to 1190V . At t = 0, it is connected to a 1-k resistance.  a) At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipated in the resistance

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