[PDF] Course Materials OF BASIC ELECTRICAL ENGINEERING KEE 101

86258_3notes_ee.pdf

KEE-101/KEE-201 Basic Electrical Engineering GCET, Greater Noida

Course Materials

OF

BASIC ELECTRICAL

ENGINEERING

KEE 101/201

Session 2019-20

Course Coordinator Course Teachers

MR. DIGAMBAR SINGH MS. SURBHI SINGH

MR. VINOD KUMAR

MR. DEEPAK JOSHI

KEE-101/KEE-201 Basic Electrical Engineering GCET, Greater Noida

SYLLABUS

KEE101/201

BASIC ELECTRICAL ENGINEERING

Module - 1: DC Circuits [08] Electrical circuit elements (R, L and C), Concept of active and passive elements, voltage and current sources, concept of linearity and linear network, unilateral and bilateral elements, , Loop and nodal methods of analysis, Star-delta transformation, Superposition theorem, Thevenin theorem, Norton theorem. Module - 2: Steady- State Analysis of Single Phase AC Circuits [10] Representation of Sinusoidal waveforms Ȃ Average and effective values, Form and peak factors, Concept of phasors, phasor representation of sinusoidally varying voltage and current. Analysis of single phase AC Circuits consisting of R, L, C, RL, RC, RLC combinations (Series and Parallel), Apparent, active & reactive power, Power factor, power factor improvement. Concept of Resonance in series & parallel circuits, bandwidth and quality factor. Three phase balanced circuits, voltage and current relations in star and delta connections. Module - 3: Transformers [08] Magnetic materials, BH characteristics, ideal and practical transformer, equivalent circuit, losses in transformers, regulation and efficiency. Auto- transformer and three-phase transformer connections. Module Ȃ4 : Electrical machines [08] DC machines: Principle & Construction, Types, EMF equation of generator and torque equation of motor, applications of DC motors (simple numerical problems) Three Phase Induction Motor: Principle & Construction, Types, Slip-torque characteristics, Applications (Numerical problems related to slip only) Single Phase Induction motor: Principle of operation and introduction to methods of starting, applications. Three Phase Synchronous Machines: Principle of operation of alternator and synchronous motor and their applications. Module Ȃ5 : Electrical Installations [06] Components of LT Switchgear: Switch Fuse Unit (SFU), MCB, ELCB, MCCB, Types of Wires and Cables, Importance of earthing. Types of Batteries, Important characteristics for Batteries. Elementary calculations for energy consumption and savings, battery backup.

KEE-101/KEE-201 Basic Electrical Engineering GCET, Greater Noida

LECTURE PLAN 2019-20 # BASIC ELECTRICAL ENGINEERING (KEE 201)

S. NO. CONTENT CO LECTURES

NO.

1. Electrical circuit elements (R, L and C), Concept of active and

passive elements, voltage and current sources 1 1

2. Concept of linearity and linear network, unilateral and bilateral

elements, Loop and nodal methods of analysis 1 2

3. Star-delta transformation, Superposition theorem, Thevenin theorem,

Norton theorem. 1 2

4. Representation of Sinusoidal waveforms, Average and effective

values, Form and peak factors, Concept of phasors 2 2

5. phasor representation of sinusoidally varying voltage and current.

Analysis of single phase AC Circuits consisting of R,L,C,RL,RC,RLC combinations (Series and Parallel) 2 5

6 Apparent, active & reactive power, Power factor, power factor

improvement. Concept of Resonance in series & parallel circuits, bandwidth and quality factor. Three phase balanced circuits, voltage and current relations in star and delta connections. 2 5

7. Magnetic materials, BH characteristics, ideal and practical

transformer, equivalent circuit 3 4

8. Losses in transformers, regulation and efficiency. Auto-transformer

and three-phase transformer connections. 3 5

9. DC machines: Principle & Construction, Types, EMF equation of

generator and torque equation of motor, applications of DC motors (simple numerical problems) 4 7

10. Three Phase Induction Motor: Principle & Construction, Types, Slip-

torque characteristics, Applications (Numerical problems related to slip only) Single Phase Induction motor: Principle of operation and introduction to methods of starting, applications. 4 5

11. Three Phase Synchronous Machines: Principle of operation of

alternator and synchronous motor and their applications. 4 2

12. Components of LT Switchgear: Switch Fuse Unit (SFU), MCB,

ELCB, MCCB, Types of Wires and Cables, Importance of earthing. 5 4

13. Types of Batteries, Important characteristics for Batteries.Elementary

calculations for energy consumption and savings, battery backup. 5 2

KEE-101/KEE-201 Basic Electrical Engineering GCET, Greater Noida

Module 1: DC Circuits

Contents: Electrical circuit elements (R, L and C), Concept of active and passive elements, voltage and current sources, concept of linearity and linear network, unilateral and bilateral ǡ ᪃ laws, Loop and nodal methods of analysis, Star-delta transformation,

ǡǯǡǯǤ

1. Electrical circuit elements (R, L and C): The interconnection of various electric

elements in a prescribed manner comprises as an electric circuit in order to perform a desired function. The electric elements include controlled and uncontrolled source of energy, resistors, capacitors, inductors, etc. Analysis of electric circuits refers to computations required to determine the unknown quantities such as voltage, current and power associated with one or more elements in the circuit. To contribute to the solution of engineering problems one must acquire the basic knowledge of electric circuit analysis and laws. We shall discuss briefly some of the basic circuit elements and the laws that will help us to develop the background of subject. a) Resistor: Resistor is a dissipative element, which converts electrical energy into heat when the current flows through it in any direction. The law governing the current into and voltage across a resistor is: ࢜L~