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Deduce the expression for explaining the function of dead zone nonlinearity.
Specify some of the properties of state transition matrix.
Describe the operation of the Four Quadrant Chopper along with RLE Load.
Explain some of the benefits of the online UPS.
Specify the difference between the mechanical and electronic commutation.
State the major parts of the synchronous reluctance motor?
A synchronous generator having a reactance of 1 pu is connected to an infinite bus through a transmission system with a reactance of 0.7 pu. The generator is running on no load with a voltage of 1.1
Explain what is Per unit? Explain what is meant by the infinite bus?
Find the estimated diameter and length of stator core, the number of stator slots and the number of stator conductors for a 11 kW, 400 volt, 3 phase, 4 pole, 1425 rpm, delta connected induction moto
Write down the comparisons of the electric circuits and magnetic circuits.
Write down the differences between the core and shell type transformers.
Explain what is lightning? Explain the mechanism of lightning discharge. Explain the several kinds of the lightning stroke.
A dc 2-wire distributor AB is 500m long and is fed at both the ends at 240V. The loads of 100 A and 60 A are tapped from C and D that are at the distance of 100m and 250m from point A respectively.
Imply any two causes for the case of over voltages.
Explain the operation of Hartley oscillator with the help of appropriate circuit diagram and deduce the frequency of oscillation.
Specify the Barkhausen criterion for the oscillation.
Draw the speed torque characteristics and phasor diagrams of permanent magnetic synchronous motor and explain in detail.
A 500, 1 Phase synchronous motor provides a net output mechanical power of 7.46 KW and operates at the 0.9 pf lagging. Its effective resistance is 0.8 ohm. If iron and friction losses are 500 W and
Determine what switching frequency is needed to meet the ripple specifications.
Specify the differences between the salient pole and cylindrical rotor synchronous machines.
Describe the surface charge distribution for the electric field intensity.
Describe the constructional details of DC generator with the help of neat sketch?
Write down the EMF equation of DC generator and explain each term?
Describe the clearly Thermal breakdown mechanism in the Solid dielectrics.
Specify the requirement of the high voltage testing.