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Quick Facts

Medium Of Instructions	Mode Of Learning	Mode Of Delivery
English	Self Study	Video and Text Based

Course Overview

The Electrical Machines - II online course by Swayam is an undergraduate programme designed by the faculty at IIT Kharagpur in association with the NPTEL team. The free learning course is targeted at undergraduate students pursuing engineering courses. In a span of 12 weeks, you will get a thorough understanding of the rotating electrical machines.

The Electrical Machines - II certification falls under the category of Power Systems and Electronics along with Electrical, Electronics and Communications Engineering. Students will get an opportunity to learn complex engineering concepts from expert instructors through video lectures that cover all aspects of the subject. The curriculum also includes regular assignments to help students understand and apply their knowledge to solve numerical problems and equations.

What’s more, after you have completed all the modules in Electrical Machines - II programme, you can register online to take the proctored examination. Gain an official certificate of completion. As the programme is free for learners, you only have to pay a minimal fee for the certification exam.

The Highlights

Curated by IIT Kharagpur
Core programme
Regular assignments
Logical thinking required
Industry support provided
12-weeks of training
Certificate examination required
Undergraduate level
Course in electrical engineering
Free course for all learners
E-verifiable certificate awarded

Programme Offerings

Course by IIT Kharagpur
Programme for UG students
Proctored examination
12-week-long training
practical approach
References mentioned
Electrical and Communications Engineering
Power Systems
Power Electronics
Core programme

Courses and Certificate Fees

Fees Informations	Certificate Availability	Certificate Providing Authority
INR 1000	yes	IIT Kharagpur

The course modules for Electrical Machines - II online course are available for free. However, to appear for the certification exam, you must pay the exam fee.

Electrical Machines – II course fee structure

Course	Fee
Electrical Machines - II: Enrollment	FREE
Electrical Machines - II: Certificate fee	Rs. 1,000

Eligibility Criteria

To learn through Electrical Machines - II by Swayam, you must have prior knowledge of Basic Electrical Technology such as Circuit analysis, the principle of the working of transformers, and its equivalent circuit representation.

To be eligible for the certification, you must qualify for the final exam and have an average score of 10/25 in all course assignments.

What you will learn

Knowledge of engineering

The following topics will be taught in the Electrical Machines - II online programme:

Working of transformers
Features of rotating machines
Induction motor
Electromagnetic torque
Synchronous machine

Who it is for

Electrical Machines - II training by Swayam is intended for engineering students at the UG level pursuing either Electrical engineering as a core subject or mechanical and mining engineering as an elective subject.

Admission Details

Step 1: To access the Electrical Machines - II training course page, click on the following page link- https://onlinecourses.nptel.ac.in/noc21_ee13/preview

Step 2: After visiting the web page and going through the details of the course, select the ‘Join’ icon.

Step 3: On the login page, enter the required details and log in to your account.

Step 4: Begin learning the course by staying logged into the account.

Application Details

To create a new Swayam learning platform account, enter a few basic details and register. To join the Electrical Machines - II certification course, you must log in to your Swayam learning account by entering the username, email ID and password.

The Syllabus

Brief review of transformer
Rotating machine: General constructional features
Conditions for steady production of electromagnetic torque
Torque production can be explained in terms of interaction of two sets of magnetic poles – one produced by stator coil current and the other by rotor coil currents.

MMF and flux density distribution along the air-gap of a rotating machine by a single coil and by multiple coils
Basic winding terms and elementary balanced 3-phase winding
Idea of electrical and mechanical angle

Production of rotating field by a 3-phase winding – its speed and direction of rotation and its far reaching implications

The expression of induced voltage in a coil when it moves relative to a field distribution – its rms value and frequency.

Types and constructional features of 3-phase induction motor.
Slip and its importance
Development of equivalent circuit of the motor when it runs with a slip
Getting expression for torque in terms of equivalent circuit parameters and supply voltage

Typical torque slip characteristic
Fixing operating point when load torque is present
Modification of the torque -slip characteristic by varying rotor resistance
Supply voltage and frequency

Estimation of equivalent circuit parameters from no load and locked(blocked) rotor tests
Problem solving

Single phase induction motor: double revolving field theory and development of equivalent circuit and expression for torque
Torque-slip characteristic
Expression for starting torque in presence of auxiliary winding
Estimation of starting capacitance for auxiliary coil using concept of phase splitting.

Synchronous machine: Types and constructional features
EMF equation and concept of synchronous reactance
Synchronizing an incoming generator (alternator) to the bus
Phasor diagram as generator
Regulation
Effect of excitation variation when generator is connected to bus
Power-angle characteristic
Steady state stability limit

Synchronous machine connected to bus and operating as motor
Phasor diagram under various operating conditions
Effect of excitation variation

Salient pole synchronous machine : concept of direct axis and quadrature axis reactances
Phasor diagrams under various operating conditions both for motoring and generating mode

Swing equation under dynamic condition
Equal area criteria
Steady state and transient stability limits

Evaluation process

The Electrical Machines - II certification exam is held offline in multiple exam centres on a particular date. You must score a minimum of 40% in the exam and submit all the course assignments to be eligible for the certificate.