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A three-phase, wound-rotor induction machine, with its shaft rigidly coupled to the shaft of a three-phase synchronousmotor, is used to change balanced 60-Hz voltages to other frequencies at the wound-rotor terminals brought out through slip rings. Both machines are electrically connected to the same balanced three-phase, 60-Hz source. Let the synchronous motor, which has four poles, drive the interconnecting shaft in the clockwise direction, and let the eight-pole balanced three-phase stator winding of the induction machine produce a counterclockwise rotating ?eld, i.e., opposite that of the synchronous motor. Determine the frequency of the rotor voltages of the induction machine.
Decimal to binary Conversion To convert a decimal number to binary any one of the followings two methods can be used. Methods1 : This is very common methods of co
Ionic Bonding Instance: NaCl. Na (Z = 11) gives up the outermost shell electron of it to Cl (Z=17) atom, so the crystal is build up of ions with the electronic structure
A relay is essentially an electromechanical switch that opens and closes electrical contacts. A simplified relay is represented in Figure. It is required to keep the fenomagnetic p
Q. A transistor in a fixed bias amplifier circuit was replaced by another transistor of beta equaling 150 instead of 60.if IB of transistor is equal to 100 microampere and collecto
Q. Demonstrate how finite state machine model helps in designing a switching system and give a typical illustration. Ans: Switching systemessentially belongs to class of fi
how to measure
A three-phase, 34.5-kV, 60-Hz, 40-km transmission line has a per-phase series impedance of 0.2+j0.5/km. The load at the receiving end absorbs 10 MVA at 33 kV. Calculate the follow
Port Address The port address is of 8 bit it is range from 00H to FFH. It means there may be total i 256 input ports and 256 output port which can be accessed by 8085
In this assignment, you will investigate the low-carbon technology that would be most suitable to provide heat and power for a domestic building. • Using information try to iden
Use Norton Theorem, find the current flow through resistor R=10Ω.
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