University of Mumbai Syllabus For Semester 4 (SE Second Year) Electrical Machines 1: Knowing the Syllabus is very important for the students of Semester 4 (SE Second Year). Shaalaa has also provided a list of topics that every student needs to understand.

The University of Mumbai Semester 4 (SE Second Year) Electrical Machines 1 syllabus for the academic year 2021-2022 is based on the Board's guidelines. Students should read the Semester 4 (SE Second Year) Electrical Machines 1 Syllabus to learn about the subject's subjects and subtopics.

Students will discover the unit names, chapters under each unit, and subtopics under each chapter in the University of Mumbai Semester 4 (SE Second Year) Electrical Machines 1 Syllabus pdf 2021-2022. They will also receive a complete practical syllabus for Semester 4 (SE Second Year) Electrical Machines 1 in addition to this.

## University of Mumbai Semester 4 (SE Second Year) Electrical Machines 1 Revised Syllabus

University of Mumbai Semester 4 (SE Second Year) Electrical Machines 1 and their Unit wise marks distribution

### University of Mumbai Semester 4 (SE Second Year) Electrical Machines 1 Course Structure 2021-2022 With Marking Scheme

# | Unit/Topic | Weightage |
---|---|---|

100 | Basics of Magnetism | |

200 | Electromechanical Energy Conversion | |

300 | Dc Machines | |

400 | Dc Motors | |

500 | Testing of Dc Motors | |

600 | Transformer – Single Phase | |

Total | - |

## Syllabus

- Magnetic field, Magnetic circuit, Numerical from series parallel magnetic circuit, Flux linkage, Inductance and energy, Faraday’s laws, Hysteresis and eddy current losses.

Magnetic field, Magnetic circuit, Numerical from series parallel magnetic circuit, Flux linkage, Inductance and energy, Faraday’s laws, Hysteresis and eddy current losses..

- Construction of machine, Armature winding, Principle of operation, MMF and flux density waveforms, Significance of commutator and brushes in DC machine, EMF and Torque equation, Methods of excitations, Armature reaction, Methods to minimize the effect of armature reaction, Process of commutation, Methods to improve commutation.

- Characteristics of DC Motors, Concept of braking of DC separately excited motors (Rheostatic, Regenerative and plugging).
- Starters for shunt and series motors, Design of grading of resistance for starter, Speed Control, Losses and efficiency, Applications of DC motor.

- Retardation, Brake load, Swinburne, Hopkinson’s, Field test.

- Review of EMF equation, Equivalent Circuit and Phasor diagram of Transformer. Voltage Regulation of Transformer: - Voltage Regulation, Condition for Zero Voltage Regulation, Condition for Maximum Voltage Regulation.
- Transformer Losses and Efficiency - Losses, Efficiency, Condition for Maximum Efficiency, Energy Efficiency, All day Efficiency, Separation of Hysteresis and Eddy current losses Testing of Transformer: - Polarity Test, Load Test, Review of OC and SC test, Sumpner’s Test, Impulse test.
- Autotransformer:- Autotransformer Working, Advantages of Autotransformer over Two winding Transformer,
- Disadvantages Parallel Operation: No load Operation,
- On load Operation:- Equal Voltage Operation and Unequal Voltage Operation Introduction to High Frequency Transformer, Pulse Transformer, Isolation Transformer and its applications.