Electrical Machines - I | EveryEng

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Electrical Machines - I

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3158 min

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Electrical Engineering

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Why enroll

Participants join this course to build strong fundamentals in electrical machines and gain a clear understanding of the real-world working of transformers and DC machines. The course offers structured IIT-level learning through NPTEL, ensuring conceptual clarity and academic rigor. It also helps learners prepare effectively for GATE, university examinations, and technical interviews, while strengthening core concepts required for power systems and electrical engineering roles in industry.

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5+ yrs experience·India

Is this course for you?

You should take this if

You work in Automotive
You're a Electrical Engineering professional
You have 3+ years of hands-on experience in this field
You want to build skills in Engineering & Design, Research & Developmnet

You should skip if

You're new to this field with no prior experience
You need a different specialisation outside Electrical Engineering
You need live interaction with an instructor

Course details

This course introduces the fundamentals of electrical machines with a strong focus on transformers and DC machines. Learners gain a clear understanding of transformer operation, types, and applications—from single-phase transformers to autotransformers—along with their working principles. The course also explores the construction, characteristics, and performance analysis of DC machines, building a solid foundation for further studies in electrical engineering.
Source: NPTEL, IIT Kharagpur

Course suitable for

Key topics covered

Learn the basic concepts and working principles of electrical machines
Understand single-phase transformers and how different types of transformers work
Explore autotransformers, their advantages, and where they are commonly used
Study the construction and main parts of DC machines
Learn the EMF equation and understand how voltage is generated in DC machines
Understand the key characteristics and behavior of DC machines
Analyze the performance and efficiency of DC machines under different operating conditions

Course content

The course is readily available, allowing learners to start and complete it at their own pace.

95 lectures52 hr 38 min

Opportunities that await you!

Skills & tools you'll gain

Engineering & Design

Research & Developmnet

Project Management

Career opportunities

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Questions and Answers

Q: You're troubleshooting an induction motor on a conveyor. After a site change, line voltage is 8% low under load. You're googling induction motor voltage drop high current overheating because stator temps are climbing. What happens electrically, and what's the least-wrong immediate response before hardware changes?

Q: A subcontractor's test report claims a Class F motor is acceptable with an 85°C temperature rise by resistance. You're searching IEC 60034 temperature rise limits Class F motor because RPN is just over threshold. Why does the standard allow that number, and what's the real boundary you're checking?

Q: You're reviewing a motor datasheet and terminal box sketch. Nameplate shows 400/690 V, terminals marked U1 V1 W1 / U2 V2 W2. You're typing star delta connection 400 690 motor terminal diagram into Google. For a 400 V supply, how should it be linked?

Q: During FAT, the client asks if the 250 kVA transformer can tolerate motor starting. You quickly search estimate induction motor starting current transformer kVA. A 90 kW, 400 V motor, DOL start, typical design. Order-of-magnitude: does the transformer survive?