Complete Electrical Machines course for B.Tech EEE and GATE in 80+ video lectures: magnetic circuits, DC machines, single-phase and three-phase transformers, induction motors, alternators and synchronous motors. Watch in order: each lecture builds on the previous one. Modules: 1. Magnetic Circuits & Electromagnetic Induction (Lectures 1A-1R) 2. DC Machines: construction, windings, EMF equation, armature reaction, losses (2A-2J) 3. DC Motors: torque, characteristics, speed control (3A-3C) 4. Single-Phase Transformers: EMF equation, equivalent circuit, OC/SC tests, regulation, efficiency (4A-4H) 5. Three-Phase Transformers: winding connections, vector groups, Scott connection (5A-5D) 6. Three-Phase Induction Motors: rotating magnetic field, torque-slip, equivalent circuit, starting (6A-6K) 8. Alternators (Synchronous Generators): EMF equation, armature reaction, voltage regulation, two-reaction theory (8A-8J) 9. Synchronous Motors: starting, effect of excitation, synchronous condenser, applications (9A-9J) 10. Single-Phase Induction Motors: double revolving field, types, equivalent circuit (10A-10E) Solved problems for every module (Electrical Machines Tutorials): https://www.youtube.com/playlist?list=PL5TKV1tzb09kPh9xyaU8yZC4ph305bTty Notes & more: https://engineeringdevotion.com #ElectricalMachines #ElectricalEngineering #GATEEE
Curated by: Engineering Devotion (81 videos)
Faraday's Laws of Electromagnetic Induction Faraday's Laws of Electromagnetic Induction explain how a changing magnetic field can induce an electric current and electromotive force (EMF) in a conductor or circuit. This fundamental principle, known as electromagnetic induction, is the basis for technologies like generators, transformers, and inductors. Key takeaways: First Law: A change in magnetic flux (the amount of magnetic field lines passing through an area) through a coil induces an EMF. This EMF only exists while the flux is changing. Second Law: The magnitude of the induced EMF is directly proportional to the rate of change of magnetic flux. The faster the flux changes, the greater the induced EMF. Lenz's Law (often coupled with Faraday's) states that the induced current's direction opposes the change in magnetic flux that caused it. This phenomenon is crucial for converting mechanical energy into electrical energy and manipulating AC voltages, making it a cornerstone of modern electrical engineering. Important Search Queries in this Topic: What are Faraday's Laws of Electromagnetic Induction? Faraday's Law formula Electromagnetic induction definition How do generators work (Faraday's Law)? Applications of Faraday's Law Lenz's Law and Faraday's Law Magnetic flux definition and formula Induced EMF calculation Michael Faraday electromagnetic induction Faraday's experiment Difference between Faraday's 1st and 2nd law What is motional EMF? Transformer principle Faraday's Law #FaradaysLaw #ElectromagneticInduction #Physics #Electromagnetism #EMF #Generators #Transformers #LenzsLaw #ElectricalEngineering #PhysicsConcepts --- Electrical Machines full course (lectures): https://www.youtube.com/playlist?list=PL5TKV1tzb09lbVthPhckKZ7JsnwHkWmFP Electrical Machines solved problems (tutorials): https://www.youtube.com/playlist?list=PL5TKV1tzb09kPh9xyaU8yZC4ph305bTty Notes & more: https://engineeringdevotion.com