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Q. Explain Shunt-field control process?
Shunt-field control, armature-resistance control offers a constant-torque drive because both flux and, to a first approximation, allowable armature current remain constant as speed varies. The shunted-armature method is a variation of this control scheme. This is illustrated in Figure (a) as applied to a series motor, and in Figure (b) as applied to a shunt motor. Resistors R1 and R2 act as voltage dividers applying a reduced voltage to the armature. They offer greater flexibility in their adjustments to provide the desired performance.
find the resultant of two forces 20N and25N acting at an angle 60 degree each other
Q. A current of 65 A is measured with an analog ammeter having a probable error of ± 0.5% of full scale of 100 A. Find the maximum probable percentage error in the measurement.
Explain procedure to take shut down and to test the power line before starting work? Ans: Study the circuit and find out the circuit breaker to be opened. Open and lock the c
what are the significance of solid state devices in electrical engineering
It is required that the current floor position be displayed as a number 1, 2, or 3 on a seven segment LED display on floor 1, which is quite close to the LCU. Data Storage It
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Q. Basic principles of electromechanical energy conversion? Energy available in many forms is often converted to and from electrical form because electric energy can be transmi
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