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The frequency of the e.m.f.in the stator of a 6 pole induction motor is 50 Hz and that in the rotor is 2 Hz.
What is the slip ,and at what speed is the motor running?
Are these signals periodic, find their fundamental period T and their fundamental frequency, otherwise prove that they are non-periodic 1) x(t)= 4 cos(12 t+40) + sin(16 t) 2) x(t)=cos4t +3e-j12t
Describe the Step-by-step procedure for steady-state analysis of circuits with sinusoidal sources.What condition must be true of the sources.
Calculate the value of the thermal voltage, VT at -400C, 00C, +400C and +1500 C. At what temperature is VT exactly 25mV
Draw a developed diagram for simplex wave winding for 4-pole generator with 36 armature conductors. Indicate the position of brushes.
The rectifier feeds a load of 200 W and is fed from the linevoltage (120 Vrms, 60 Hz) through a transformer. The diodesavailable have a 0.7 V drop when conducting. If the designer opts for a half wave rectifier circuit
design and test three matching networks
The number of turns in primary and secondary of an ideal transformer are N1 = 50 turns and N2 = 400 turns. The primary winding is connected to a 120 - V, 60 Hz source with a source resistance of 50 Ω. The secondary winding is connected to a 1600 ..
Write the switching expression for the burglar alarm that produces a logic 1 (rings a bell) when the safe is moved and the control switch is closed, or when the closet is o pen after banking hours, or when the closet is opened with the control swi..
The high-voltage side of a transformer has 750 turns, and the low voltage side has 50 turns. When the high side is connected to rated voltage of 120 V, 60 Hz, a rated load of 40 A is connected to the low side.
Given that the required transmission time for a block of data of length 64kilobits to be transmitted error-free is 6 seconds and that the receiver has a bandwidth of 20kHz, what is required SNR of the receiver
For the network of given figure: - Determine RT, - Calculate Va, - Find V1.- Calculate V2.- Determine I (with direction).
A 10-hp six-pole 60-Hz three-phase induction motor runs at 1160 rpm under full-load conditions. Determine the slip and the frequency of the rotor currents at full load. Also estimate the speed if the load torque drops in half.
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