Electrical Machine 1

Electric Machine I Bachelor of Engineering(BE) videos According to syllabus of Institute of Engineering(IoE), Tribhuvan University (TU)

Advanced 5 (3 Reviews ) 75 Students enrolled
Last updated Mon, 03-Jan-2022 Nepali
What will I learn?
  • After Completion of this Course, Students will get complete knowledge of Electric Machine I, based on syllabus of IoE and will be able to secure good score in IoE exam.

Curriculum for this course
76 Lessons 24:52 Minutes
1 . Introduction to Course
1 Lessons 02 Minutes
  • Introduction to Machine I 02 Minutes Free
  • 1. Magnetic circuits and its types 33 Minutes Free
  • 2.B-H relationship and Hystereisis with DC excitation 26 Minutes Free
  • 3.Hysteresis with AC excitation - Hysteresis loss and Eddy current loss 17 Minutes
  • 4.Faraday's Law of electromagnetic induction , statically and Dynamically induced EMF 11 Minutes
  • 5.Force on current carrying conductor - Expression for self Inductance 10 Minutes
  • 6.Numerical 1 (2076 Baisakh) 18 Minutes
  • 7.Numerical 2 (flux calculation in the core having multiple windings 15 Minutes
  • 8.Numerical 3 (Parallel magnetic circuit) 20 Minutes
  • 9.Numerical 4 (2069 - ring related) 08 Minutes
  • 10.Numerical 5 (2073 Magh - ring related) 12 Minutes
  • 11.Numerical 6 (2069 Bhadra- self inductance) 06 Minutes
  • 1.Construction, Operating Principle and EMF equation of single phase transformer 21 Minutes
  • 2.Mutual Inductance and Coupled circuit model 07 Minutes
  • 3.No load and Load operation of transformer 16 Minutes
  • 4.Equivalent circuit diagram of transformer (Detail) 32 Minutes
  • 5.Capacity of Transformer - Exciting current harmonics - Transformer inrush current 14 Minutes
  • 6.Transformer testing (Polarity test) 07 Minutes
  • 7. Transformer testing ( No Load or Open Circuit test ) 23 Minutes
  • 8. Transformer testing (Short circuit test) 23 Minutes
  • 9. Voltage Regulation 27 Minutes
  • 10. Losses , Efficiency and condition for maximum efficiency in a transformer 20 Minutes
  • 11.Instrument transformer (current transformer & potential transformer) 15 Minutes
  • 12. Auto transformer (Construction , working principle & Cu saving) 17 Minutes
  • 13. Three phase transformer (Introduction) 15 Minutes
  • 14. Three phase transformer connections (Detail) 36 Minutes
  • 15.Three phase to two phase conversion (Scott connection) - Three winding transformer 16 Minutes
  • 16.Parallel operation of single phase and three phase transformer 35 Minutes
  • 17. Numerical 1 (2076 Baisakh - step up transformer testing 30 Minutes
  • 18.Numerical 2 (2072 magh - step down transformer testing) 27 Minutes
  • 19. Numerical 3 (2073 Bhadra - efficiency related) 12 Minutes
  • 20.Numerical 4 (2073 Magh - efficiency related) 07 Minutes
  • 21. Numerical 5 (2071 Magh - efficiency related) 13 Minutes
  • 22. Numerical 6 (2070 magh) 09 Minutes
  • 23. Numerical 7 (2069 bhadra - efficiency related) 20 Minutes
  • 24. Numerical 8 (2072 Ashwin - three phase) 21 Minutes
  • 25. Numerical 9 (2070 Magh - three phase) 18 Minutes
  • 26. Numerical 10 (2069 Poush - three phase) 15 Minutes
  • 1. Constructional details of DC machine and Armature Windings 14 Minutes
  • 2. Operating principle and EMF equation of DC generator 35 Minutes
  • 3. Method of Excitation and Types of DC generator 21 Minutes
  • 4. Characteristics of series, shunt and compound generator 21 Minutes
  • 5. Voltage build up process in DC generator 19 Minutes
  • 6. Armature Rxn in DC generator and methods to reduce Armature Rxn 13 Minutes
  • 7. Losses , efficiency and voltage regulation in DC generator 03 Minutes
  • 8. Numerical 1 (2076 Baisakh - short shunt and long shunt compound dc generator) 54 Minutes
  • 9. Numerical 2 (2075 Bhadra - dc shunt generator) 20 Minutes
  • 1. Operating principle and Torque equation of DC motor 48 Minutes
  • 2. Back EMF and its role in DC motor 15 Minutes
  • 3. Types of DC motor and Performance characteristics of DC motor 38 Minutes
  • 4. starting of DC motors ( 3 point and 4 point starters) 24 Minutes
  • 5. Speed control of DC shunt motor 28 Minutes
  • 6. Speed control of DC series motor 23 Minutes
  • 7. Numerical 1 (2076 Baisakh - dc shunt motor) 23 Minutes
  • 8. Numerical 2 (2075 Bhadra - dc shunt motor) 17 Minutes
  • 9. Numerical 3 (2073 Magh - dc shunt motor) 14 Minutes
  • 10. Numerical 4 (2075 Baisakh - dc series motor) 11 Minutes
  • 11. Numerical 5 (2066 Magh - dc series motor) 13 Minutes
  • 1. Construction and Operating principle of three phase induction motor 34 Minutes
  • 2. Torque equation of three phase induction motor at standstill and running condition 21 Minutes
  • 3. Torque slip characteristics , condition for max. torque & effect of rotor resistance on torque slip characteristics 28 Minutes
  • 4. Testing of induction motor( no load test and blocked rotor test) 25 Minutes
  • 5. Losses , power stages and efficiency of three phase induction motor 16 Minutes
  • 6. Starting methods of three phase induction motor 24 Minutes
  • 7. Speed control methods for three phase induction motor and Double cage Induction motor 11 Minutes
  • 8. Working principle , Voltage build up in an induction generator 28 Minutes
  • 9.Power stage diagram of induction generator 05 Minutes
  • 10. Isolated and grid connected mode of operation of three phase induction generator 23 Minutes
  • 11. Numerical 1 (2074 Bhadra - efficiency related) 14 Minutes
  • 12. Numerical 2 (2073 Bhadra) 21 Minutes
  • 13. Numerical 3 (2076 Baisakh - Torque related) 17 Minutes
  • 14. Numerical 4 (2075 Bhadra - Torque related) 14 Minutes
  • 15. Numerical 5 (2072 Magh- Torque related) 15 Minutes
  • 16. Numerical 6 (2072 Ashwin - Torque related) 12 Minutes
  • 17. Numerical 7 (Testing of induction motor related) 20 Minutes
  • Requirements
    • Students are required to have knowledge of knowledge of Electric Machine , based on syllabus of IoE
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    Description

    The videos herein are strictly based on syllabus of Institute of Engineering Tribhuvan University, Nepal promoting e-Learning in Nepal and are made with intention to provide guidance to the Bachelor in Engineering(BE) appearing students , for securing good results. The course tries to cover all the basics of Magnetic Circuit & Induction, Transformer, DC Machines and Induction Machines with solution of most frequently asked questions in final exam of BE with fundamental theories and numerical solutions. We strongly believe that, viewers will be benefited from these videos and the thrist of curiosity of viewers will be quenched! Feedbacks and suggestion to improve are always welcome and highly appreciated!

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