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Description
Electrical Machines. Instructor: Prof. G. Bhuvaneshwari, Department of Electrical Engineering, IIT Delhi.
The course introduces electrical machines - namely transformers, DC and AC rotating machines, which are, arguably, the most important components of the energy and power conversion industry. Transformers, being static, are the easiest of electrical machines and hence they will be dealt with initially after introducing magnetic circuit fundamentals. DC and AC machines will be discussed after understanding the process of electromechanical energy conversion through a magnetic field. The efficiency, voltage regulation and characteristics of these machines will be discussed while they are functioning as generators. Further, their speed-torque characteristics, starting, braking, speed control and efficiency will be discussed while they function as motors. Every topic will include their applications in various power industries as well. (from nptel.ac.in)
Course Curriculum
- Lecture 01 – Introduction to Electrical Machines Unlimited
- Lecture 02 – Single-phase and Three-phase AC Circuits, Magnetic Circuits Unlimited
- Lecture 03 – Magnetic Circuits (cont.) Unlimited
- Lecture 04 – Magnetic Circuits (cont.) Unlimited
- Lecture 05 – Transformers: Introduction Unlimited
- Lecture 06 – Transformers: Amp-Turn Balance, Ideal and Practical Transformers Unlimited
- Lecture 07 – Transformer Equivalent Circuit and Reducing Leakage Unlimited
- Lecture 08 – Transformer Equivalent Circuit Parameter Determination Unlimited
- Lecture 09 – Transformers: Voltage Regulation and Efficiency Unlimited
- Lecture 10 – Auto-transformers Unlimited
- Lecture 11 – PU Notation and Introduction to Instrument Transformers Unlimited
- Lecture 12 – Instrument Transformers and All Day Efficiency Unlimited
- Lecture 13 – Three Phase Transformers I Unlimited
- Lecture 14 – Three Phase Transformers II Unlimited
- Lecture 15 – Electromechanical Energy Conversion I Unlimited
- Lecture 16 – Electromechanical Energy Conversion II Unlimited
- Lecture 17 – Electromechanical Energy Conversion III Unlimited
- Lecture 18 – DC Machines: Introduction, Constructional Features Unlimited
- Lecture 19 – DC Machines: EMF and Torque Equations and Generator Operation Unlimited
- Lecture 20 – DC Machines: OCC and Load Characteristics Classification Unlimited
- Lecture 21 – DC Machines: Armature Reaction Unlimited
- Lecture 22 – DC Machines: Voltage Build-Up and Load Characteristics Unlimited
- Lecture 23 – DC Generator Characteristics and Introduction to DC Motors Unlimited
- Lecture 24 – DC Motors: Basics and Speed-Torque Relationship Unlimited
- Lecture 25 – DC Motor: Speed Control (Shunt and Separately Excited Motor) Unlimited
- Lecture 26 – DC Motor: Speed Control (Series and Compound Motor) Unlimited
- Lecture 27 – DC Machine: Starting and Braking Unlimited
- Lecture 28 – DC Machine: Comutation Unlimited
- Lecture 29 – 3 Phase Induction Machine: Constructional Features and Principle of Operation Unlimited
- Lecture 30 – 3 Phase Induction Machine: Equivalent Circuit Unlimited
- Lecture 31 – 3 Phase Induction Machine: Speed Torque Characteristics Unlimited
- Lecture 32 – Testing of Induction Motor: OC and SC Test Unlimited
- Lecture 33 – 3 Phase Induction Machine: Starting Methods Unlimited
- Lecture 34 – Synchronous Machines: Introduction Unlimited
- Lecture 35 – Synchronous Machines: Constructional Features Unlimited
- Lecture 36 – Numerical Session Unlimited
- Lecture 37 – Synchronization of Alternators Unlimited
- Lecture 38 – Synchronous Machines: Equivalent Circuit and Phase Diagram Unlimited
- Lecture 39 – Synchronous Machines: OC and SC Test Unlimited
- Lecture 40 – Synchronous Machines: Power Angle Relationship, V and Inverted V Curves Unlimited
- Lecture 41 – Single Phase Induction Motors Unlimited
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