EEE |1Year-2sem | Basic-Electrical-Engine

 BASIC ELECTRICAL ENGINEERING (Common with Electrical Engineering)

Units

1. Overview of DC Circuits
2. DC Circuit Theorems
3. Voltage and Current Sources
4. Electro Magnetic Induction
5. Batteries
6. AC Fundamentals
7. AC Circuits
8. Various Types of Power Plants

LIST OF PRACTICALS(To perform minimum six experiments)

1. Operation and use of measuring instruments viz voltmeter, ammeter, CRO, Wattmeter, multi-meter and other accessories
2. Determination of voltage-current relationship in a dc circuit under specific physical conditions and to draw conclusions.
3. Measurement of resistance of an ammeter and a voltmeter
4. Verification of dc circuits:

   1. Thevenin’s theorem,
   2. Norton’s theorem,

5. Observation of change in resistance of a bulb in hot and cold conditions, using voltmeter and ammeter.
6. Verification of Kirchhoff's Current and Voltage Laws in a dc circuit
7. To find the ratio of inductance of a coil having air-core and iron-core respectively and to observe the effect of introduction of a magnetic core on coil inductance
8. Charging and testing of a lead - acid storage battery.
9. Measurement of power and power factor in a single phase R-.L-.C. circuit and calculation of active and reactive powers in the circuit.
10. Verification of line to line and line to neutral voltages and current in star and delta connections. 

Note: Visit to a nearby Power Station(s) may be arranged to demonstrate various aspects of subject

Detailed Contents

Overview of DC Circuits(11 Marks)

• Definition of basic terms, such as current, EMF, Potential Difference (PD); Ohm’s Law and its limitations; Factors affecting resistors and capacitors; simple problems on series and parallel combinations of resistors with their wattage considerations.
• Application of Kirchhoff’s current law and Kirchhoff’s voltage law to simple circuits. Star – Delta connections and their conversion. 

DC Circuit Theorems (09 Marks)

Superposition principle, Maximum Power Transfer Theorem, Thevenin’s theorem, Norton’s theorem, application of network theorems in solving D.C. circuit problems. 

Voltage and Current Sources (06 Marks)

1.  Concept of voltage source, symbol and graphical representation characteristics of ideal and practical sources.
2. Concept of current sources, symbol, characteristics and graphical representation of ideal and practical current sources.
3. Inter Conversion of Voltage-Source and Current Source. 

Electro Magnetic Induction (14 Marks)

1. Concept of electro-magnetic field produced by flow of electric current, magnetic circuit, concept of magneto-motive force (MMF), flux, reluctance, permeability, analogy between electric and magnetic circuit.
2. Faraday’s laws of electro-magnetic induction, principles of self and mutual induction, self and mutually induced e.m.f, simple numerical problems.
3. Concept of current growth, decay and time constant in an inductive (RL) circuit.
4. Energy stored in an inductor, series and parallel combination of inductors.

Batteries (11 Marks)

1.  Basic idea of primary and secondary cells
2. Construction, working principle and applications of Lead-Acid, Nickel-Cadmium and Silver-Oxide batteries
3. Charging methods used for lead-acid battery (accumulator)
4. Care and maintenance of lead-acid battery
5. Series and parallel connections of batteries
6. General idea of solar cells, solar panels and their applications
7. Introduction to maintenance free batteries

AC Fundamentals (14 Marks)

1. Concept of alternating quantities
2. Difference between ac and dc
3. Concepts of: cycle, frequency, time period, amplitude, instantaneous value, average value, r.m.s. value, maximum value, form factor and peak factor.
4. Representation of sinusoidal quantities by phasor diagrams.
5. Equation of sinusoidal wave form for an alternating quantity and its derivation
6. Effect of alternating voltage applied to a pure resistance, pure inductance and pure capacitance. 

AC Circuits (29 Marks)

1. Concept of inductive and capacitive reactance
2. Alternating voltage applied to resistance and inductance in series.
3. Alternating voltage applied to resistance and capacitance in series.
4. Introduction to series and parallel resonance and its conditions
5. Power in pure resistance, inductance and capacitance, power in combined RLC circuits. Power factor, active and reactive power and their significance, definition and significance of power factor.
6. Definition of conductance, susceptance, admittance, impedance and their units
7. Introduction to polyphase a.c. systems, advantages of polyphase system over single phase system. Relations between line and phase value of voltages and currents for star and delta connections and their phasor diagram, power in polyphase circuits.

Various Types of Power Plants(09 Marks)

1. Brief explanation of principle of power generation practices in thermal, hydro and nuclear power stations and their comparative study. A Visit to a nearby Power Station(s) may be organized for better understanding and exposure.
2. Elementary block diagram of above mentioned power stations 

MEANS OF ASSESSMENT

• Assignments and Quiz/Class Tests
• Mid-term and end-term written tests
• Presentation
• Model Making

RECOMMENDED BOOKS

1. "Basic Electrical Engineering" by PS Dhogal, Tata Mc Graw-Hill Education Pvt Ltd., New Delhi.
2. "Experiments in Basic Electrical Engineering" by SK Bhattacharya, KM Rastogi; New Age International (P) Ltd.; Publishers New Delhi.
3. "Electrical Technology" by BL Theraja, S Chand and Co, New Delhi.
4. "Basic Electrical Engineering" by JB Gupta; SK Kataria and Sons, New Delhi.
5. "Basic Electrical Engineering" by Asfaque Husain, Jain Book Depot, New Delhi

CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION U.P, LUCKNOW IN MEETING HELD ON 18.11.2020

Basic Electrical Engineering

Applied Physics

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