Control of Electrical Drives
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Control of Electrical Drives Syllabus — Unit-wise Content
The official GTU curriculum for Control of Electrical Drives (subject code 2160913) as prescribed for Electrical Engineering · Semester 6 divides the course into 6 units, covering 35 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2160913)Unit 1 Introduction
- • History Of DC Drive -Electronic Control -Solid State Control • State Of Art Of DC Drive • Block Diagram Of Drive - Components Of Electrical Drive and their functions
Unit 2 Dynamics of Electrical Drives
- Types of Load-Quadratal diagram of speed –torque characteristics – Types and Characteristics of load torque – Dynamics of motor- load combination – steady state & transient stability of an electrical drive – Determination of moment of inertia- Load equalization
Unit 3 DC drives
- Speed-torque characteristics: DC separately excited
- shunt and series motors
- Modified speed-torque characteristics with resistive control
- Analysis for speed-torque equations in terms of firing angle and duty cycle
- Modified speed-torque characteristics with phase controlled converters and DC-DC converters for continuous conduction and discontinuous conduction
- Closed loop speed control schemes
- Dynamic model of DC machine
- Speed and position control scheme using the dynamic model
Unit 4 Scalar control of AC machines
- Review of V/f control
- VSI based Induction Motor control
- Harmonics and Harmonic torques with VSI
- Selection of carrier frequency and harmonic spectrum
- Advantages of V/f control over other scalar control techniques
- Various operating modes for doubly fed induction machine: Sub-synchronous and super-synchronous motoring and generating
- Static Scherbius drive: Design aspects like speed range
- power factor
- ratings of components
- Closed-loop speed control schemes: slip control
- current limit control
- CSI fed IM
- Speed-torque characteristics with current source
- Comparison with VSI based control
Unit 5 Dynamic modeling and Vector control
- Dynamic model of induction motor: ABC reference frame
- Arbitrary reference frame
- stationary reference frame
- rotating reference frame
- Principle of Vector control
- Field oriented control: Stator Flux Control and Rotor Flux Control
- Direct torque control
- Comparison of FOC and DTC, Introduction to Synchronous motor and BLDC machine drive
Unit 6 Applications of Electric Drives
- Introduction to Solar and battery powered Drives
- Introduction to traction Drives
- Servo motor drive requirement – control and implementation
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