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Draw the switching patterns for the upper half of the inverter in sector-3 and sector-5 when applying Space Vector Modulation Technique in the under modulation region.
Explain the applications of a PWM converter as a line side rectifier. Also mention its advantage over the diode rectifier with a boost chopper.
Which Converter is capable of running a DC motor in four quadrants and also as a single- phase inverter? Elaborate its application to run a DC motor in four quadrants.
Draw the block diagram to implement Direct Torque and Flux Control in the Induction Motor. Also explain the motion of stator flux trajectory within the hysteresis band using the inverter voltage space vector and corresponding stator flux vector in time Δt in DTC.
Draw the block diagram to implement closed loop Scalar v/f control in the induction motor using slip regulation.
Explain abc to dq transformation of induction motor variables using the necessary phasor diagram.
Enlist the topologies of three level Voltage source inverters. Also explain the working of diode clamped three level inverters with necessary circuit diagram and waveform.
From the space vector diagram of adjacent vectors, derive the magnitude of Va and Vb in the reference vector. Also derive the equations to calculate the switching time of adjacent space- vectors and zero vectors (ta, tb and t0) in space vector modulation.
Classify PMSM motors and BLDC motors according to position of rotor and placement of magnets.
Draw the block diagram to operate multiple synchronous machines in parallel by v/f control. Also show the variation of voltage, torque and stator flux with speed in this control below and above rated speed.
Draw the block diagram to implement the speed controlled PM - BLDC drive scheme without flux weakening.
Draw and explain the block diagram to implement speed controlled PM synchronous motor drive.
With suitable example, elaborate the inductance profile and generation of torque for the switched reluctance machine in motoring mode and regenerative mode.
Explain the implementation of torque controller for closed loop torque control of Switched reluctance motor with necessary block diagram.
What are the specific applications and features of the following DSP series? TMS320C2000, TMS320C5000, TMS320C6000 Also enlist various DSPs available in this series.
BE Electrical
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Official Gujarat Technological University (GTU) examination paper for Advanced Electric Drives (Summer 2026, B.E. · Electrical Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.
3170916 Advanced Electric Drives
Official GTU PDF · Summer 2026
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