Basic Electrical Engineering

 Course Code : ULZ0441 Author : uLektz University : General for All University Regulation : 2018 Categories : Electronics & Communication Format : ePUB3 (DRM Protected) Type : eBook

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Description :Basic Electrical Engineering of ULZ0441 covers the latest syllabus prescribed by General for All University for regulation 2018. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

Topics
UNIT - I DC CIRCUITS

1.1 Electrical circuit elements (R, L and C)

1.2 Concept of active and passive elements, voltage and current sources

1.3 Concept of linearity and linear network, unilateral and bilateral elements

1.4 Kirchhoff’s laws, loop and nodal methods of analysis

1.5 Star-delta transformation

1.6 Superposition theorem, Thevenin theorem, Norton theorem

UNIT - II STEADY- STATE ANALYSIS OF SINGLE PHASE AC CIRCUITS

2.1 Representation of sinusoidal waveforms - average and effective values, form and peak factors, concept of phasors, phasor representation of sinusoidally varying voltage and current

2.2 Analysis of single phase AC Circuits consisting of R, L, C, RL, RC, RLC combinations (Series and parallel), apparent, active & reactive power

2.3 Power factor, power factor improvement

2.4 Concept of Resonance in series & parallel circuits, bandwidth and quality factor

2.5 Three phase balanced circuits, voltage and current relations in star and delta connections

UNIT - III TRANSFORMERS

3.1 Magnetic materials

3.2 BH characteristics

3.3 Ideal and practical transformer, equivalent circuit

3.4 Losses in transformers, regulation and efficiency

3.5 Auto-transformer and connection in three-phase transformer

UNIT - IV ELECTRICAL MACHINES

4.1 DC machines: Principle & Construction, Types

4.2 EMF equation of generator and torque equation of motor

4.3 Applications of DC motors (simple numerical problems)

4.4 Three Phase Induction Motor: Principle & Construction, Types, Slip-torque characteristics, Applications (Numerical problems related to slip only)

4.5 Single phase induction motor, Principle of operation and introduction to methods of starting, applications

4.6 Three Phase Synchronous Machines: Principle of operation of alternator and synchronous motor and their applications

UNIT - V ELECTRICAL INSTALLATIONS

5.1 Components of LT Switchgear: Switch Fuse Unit (SFU)

5.2 MCB

5.3 ELCB

5.4 MCCB - Types of Wires and Cables

5.5 Importance of earthing

5.6 Types of batteries, important characteristics for batteries

5.7 Elementary calculations for energy consumption and savings

5.8 Battery backup