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A 3 phase 400 volt(line to line) wye connected synchronous motor has Xs= 1 ohm per phase and a negligible armature resistance. The field current is so adjusted that the internal(induced) voltage is 270volts per phase, while the motor draws 40 kw power from the source. Calculate the (a) power factor of the motor, and (b) reactive power supplied by the motor to the source.
A 500 MVA, 33kv, three phase steam turbine generator has a synchronous reactance of 1.6 p.u. It delivers a rated output at 0.8 power factor lagging. Calculate (a) the synchronous reactance per phase, (b) rated load current of the machine, and (c) internal voltage drop and output voltage.
A synchronous motor has the following parameters per phase. E=2kv, Eo=5kv, X2=3ohms, and I=700amps. Draw the phasor diagram and determine (a) power angle delta, (b) active power(3phase), (c) reactive power(3phase), (d) power factor of the motor. If the load is removed suddenly, calculate (e) the new power angle and (f) new reactive power(3phase).
Name the flag bits available in 8085 microprocessors. The 8085 microprocessor has five flags to show five different types of data conditions .they are zero(Z),carry(CY),Sig
Design a Mealy system whose output is 1 iff there have been exactly two 1's followed by a 0 and then a 1. (a) Assume overlapping is allowed (b) Assume overlapping is not
a 4 bit synchronous counter uses flip flops with propagation delay times of 15ns each. what will be the maximum possible time requires for change of state?
B-H curve of SM2CO17
Q. Determine v, i, and the power delivered to elements in the network given in Figure. Check whether conservation of power is satisfied by the circuit.
CALCULATION OF SERIES DC MOTOR
The problem with a battery charger (say, for portable devices) is that it continues to draw power even after the battery is fully charged thereby wasting electricity. In addition,
Q. How do you differentiate between dual beam and dual trace oscilloscope? Sol. There are two separate vertical input channels A, B and these use separate attenuator and prea
Your assignment is to write a one page paper answering the question posed below. One page is the absolute limit. (You must attach a technical appendix showing computer output for
Write a program to count how many from your data set called MYDATA, which is a set of signed single-byte numbers, has positive value and are odd numbers. Save the result in POSOD
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