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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).
what is aphasor
Unconditional Return RET Instruction: This instruction is used to transfer the program sequence from subroutine to the calling program unconditionally. The instruction forma
Design a circuit to enable a chemical additive to be introduced into the fluid through another inlet only when the temperature is not too cold or too hot and the fluid is above the
1. The photon fluence rate is 10 7 photons mm -2 sec -1 for a beam of γ rays. One fourth of the photons have energies of 100 keV, one half have energies of 80 keV and the remain
Q. Define Power-Supply Rejection Ratio? An op amp's ability to disregard changes in power-supply voltage is measured by the power- supply rejection ratio (PSRR), which is speci
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Give classification of plastics and also the differences between them. Plastics are materials (containing carbon as common element) that have organic substances of high mol
Normal 0 false false false EN-IN X-NONE X-NONE Induction Heating When alternating curren
What is the use of basic earth-sun angles? Show by mean of diagram. Illustrate sun as source of energy with relevant data? Illustrate flat plate collectors. Describe liquid f
Q. Given the K map of a logic function as shown in Figure, in which ds denote don't-care conditions, obtain the SOP expression.
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