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a) Draw a schematic diagram of a per-phase synchronous electrical, generator.
b) Define the components in the armature (stator) side of the diagram
c) Define the generators torque components.
d) Define the enerators power components
A 3-phase, 600 WA synchronous generator has a rated line voltage of 3300 V. The stator winding is star connected and has a resistance of 0.37 Ω/phase Its synchronous impedance is 4.3 Ω/phase. e) Draw the synchronous generator's per phase voltage and current phasor diagram. f) Calculate the per phase output voltage. g) Determine the voltage dropped across the synchronous impedance. Calculate the synchronous generator's voltage regulation and output power for full loads having power factors of: h) Unity. I) 0.8 lagging.
A balanced delta connected load of 15 + j18 ohms per phase is connected at the end of a three-phase line. The line impedance is 1 + j2 ohms per phase. The line is supplied from a three-phase source with a line-to-line voltage of 207.85 V rms.
The required exposure energy for a positive photoresist is 140 mJ/cm2 and for a negative photoresist is 9 mJ/cm2. Assuming negligible times for loading and unloading wafers, compare the wafer throughput for positive photoresist and negative photor..
A disk drive has a constant failure rate and an MTTF of 4,000 hr. What will the probability of failure be for 2-year of operation
A three-phase, 480 V system is connected to a balanced Three-phase load. The line Current (Ia)is 10A and is in phase with the line-to-line voltage Vbc. calculate the impedence of the load for the following case.
For evaporation from a point source, derive the ratio between the film thickness, d and the maximum thickness, d0 on a substrate of radius, r. What is the ratio for a surface source
A short circuit across a current source draws 15 A. If a 10resistor across the source draws 13 A. What is the internal resistance of the source
A 100µF capacitance is connected in parallel with the series combination of 10-mH inductance and a 1 ohm resistance. Calculate the impedance of the combination in polar form for angular frequencies of 500, and 1000 radians per second?
b) Calculate the armature current at start c) The motor is now used as a generator. Calculate the speed of the machine if the armature current is 80A and there is a 230V at the motor's terminals. Assume a constant flux.
a second instrument is required to measure the input signals up to 100Mz with an amplitude inaccuracy of less than 1% calculate the natural frequency requirements, if the damping retios are 0.3 and 0.6 respectively.
A 3-D cubic unit cell contains four atoms whose centers are positional halfway up along each of the vertical cell edges and one atom each centered in the middle of the top and bottom faces.
An initially charged capacitance discharges through a resistance. At one time constant, what percentage of the initial voltage reamins What percentage of the initial stored energy remains
A full adder is a circuit that adds 2 bits and a carry. The circuit takes three inputs, two data bits (A and B) and a carry bit (Cin), and outputs their sum (S) and a carry out
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