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Anna University · Regulation 2021

EE 3012 Electrical Drives question papers

EE3012 Electrical Drives previous year question papers from Anna University (Regulation 2021), with the full syllabus. Read online or download the PDF.

Fifth/Sixth semester · Professional Elective (Vertical 2: Converters and Drives) · L T P C: 2 0 2 3

Question papers

Syllabus

  1. Unit 1: Drive Characteristics6 hours

    Electric drive · Equations governing motor load dynamics · steady state stability · multi quadrant Dynamics: acceleration · deceleration · starting & stopping · typical load torque characteristics · Selection of motor

  2. Unit 2: Converter / Chopper Fed DC Motor Drive6 hours

    Steady state analysis of the single and three phase converter fed separately excited DC motor drive · continuous and discontinuous conduction · Time ratio and current limit control · 4 quadrant operation of converter / chopper fed drive

  3. Unit 3: Induction Motor Drives6 hours

    Stator voltage control · energy efficient drive · v/f control · constant air gap flux · field weakening mode · voltage / current fed inverter · closed loop control

  4. Unit 4: Synchronous Motor Drives6 hours

    V/f control and self-control of synchronous motor: Margin angle control and power factor control · permanent magnet synchronous motor

  5. Unit 5: Design of Controllers for Drives6 hours

    Transfer function for DC motor / load and converter · closed loop control with current and speed feedback · armature voltage control and field weakening mode · design of controllers · current controller and speed controller · converter selection and characteristics