Diploma (Electrical) Syllabus

Semester III

  • COURSE CODE
    COURSE NAME
    CREDITS
  • JDEE-301

    Electrical Circuits Analysis:

    UNIT-I

    D.C. Network Theory (with independent source): Circuit theory concepts-Mesh and Node analysis. Network Theorems- Super-position theorem. Thevenin’s theorem, Norton’s theorem, Maximum Power Transfer theorem, Star Delta transformation.

    UNIT-II

    D.C. Network Theory (with dependent source): -Mesh and node analysis. Network Theorems- Super-position theorem. Thevenin’s theorem, Norton’s theorem.

    UNIT-III

    A.C network Theory: Review on basic of R-L-C circuits on AC Superposition theorem, Thevenin's theorem, Norton's theorem, Maximum transfer theorem.

    UNIT-IV

    Resonance: Resonance in series RLC circuit, waveforms for voltage, current, Power Factor and Impedance, Quality factor, expression for quality factor, selectivity, resonance in parallel RLC circuit.

    UNIT-V

    Phase A.C. Circuits: Star-Delta connections, line and phase voltage/current relations, three phase power and its measurement.

    Books:

    • 1. Hayt W H, Kemmerly J E, McGraw-Hill, “Engineering Circuit Analysis”, 2002
    • 2. Nilsson J W, Riedel S A, “Electric Circuits”, Prentice-Hall, 2000.
    • 3. Asfaq Hussain “Network Analysis and synthesis”, Dhanpat Rai
    • 4. J.B.Gupta “Basic Electrical Engineering” , Kataria & Sons
    04
  • JDEE-302

    Electrical Design, Drawing and Estimation-I:

    UNIT-I

    Electrical Symbols and Diagrams:

    i) Need of symbols; List of symbols for electrical equipments and accessories used in electrical works. Light, fan and power circuits, alarm and indicating circuit, contactor control circuits as per I.S.S.
    ii) Type of diagrams - Wiring diagrams (multiple and single line representation) and schematic diagrams as per I.S.S.(* One Drawing Sheet for at least - 50 symbols).

    UNIT-II

    Wiring materials and accessories:
    i) Brief description, general specifications (as per I.S.S.) and approximate cost of different types of wires, cables, switches, distribution board, switch board, boxes, batten and its accessories, conduit and its accessories, lamp holders, socket out lets, plug ceiling roses. Fuse and energy meter used in domestic and power wiring installations.
    ii) Brief description, general specifications and approximate cost of switches, push buttons, bells, indicating lights, indicating panels, relays used in alarm circuits.

    UNIT-III

    Light and Fan Circuits: Schematic and wiring diagrams (multiline and single line both) using junction boxes and looping systems for the following types of circuits:-
    i) Light and fan controlled by necessary switches and regulators.
    ii) Stair case wiring
    iii) Corridor lighting
    iv) One lamp controlled by three or more switches.

    UNIT-IV

    Estimation of Domestic Internal Wiring Circuits:
    i) Description of various wiring systems and methods.
    ii) Need of earthing and point to be earthed in internal wiring system as per IE rules.
    iii) I.S. specifications, calculation of No. of points (light, fan, socket outlet), calculation of total load including domestic power, determination of no. of circuits, size of wires and cables, switches and main switch, distribution board and switch board, batten conduit and other wiring accessories.
    iv) Layout of installation plan, single line wiring, diagram, calculation of length of batten/conduit of different sizes and wire length; schedule of materials.

    UNIT-V

    Assembly Drawings:
    i) Assembly drawing of simple electrical equipment from actual piece or from a pictorial view (Carbon brush holder, open knife switch, miniature circuit breaker, motor terminal block, and Similar other electrical items) (2-Drawing sheets)
    ii) Poles, towers cables and insulators (2- Drawing sheets)

    Books:

    • 1. S.K Bhattacharya, “Electrical Engineering Drawing & Design Estimating”. Wiley Eastern Ltd. New Delhi.
    • 2. Surjeet Singh, “Electrical Eesign & Drawing” S.K.Kataria & Sons New Delhi.
    • 3. O. P. Soni,” Electrical Engg. Design & Drawing” Satya Prakashan Delhi.
    04
  • JDEE-303

    Electromechanical Energy Conservation Devices-I:

    UNIT-I

    D.C. Machines: Principle of electromechanical energy conversion, Construction of dc machines, types of d. c. machines, E.M.F. equation and torque equation, Magnetization characteristics of dc generator, Armature reaction and commutation in dc machines.

    UNIT-II

    D.C. Machines: Performance Characteristics of D.C. motors, Starting of D.C. motors; 3 point and 4 point starters, Speed control of D.C. motors: Field Control, armature control and Voltage Control (Ward Lenonard method); Efficiency.

    UNIT-III

    Transformer (single phase): Principle of operation, types of construction, equivalent circuit, phasor diagram on no load and load, Losses and efficiency and voltage regulation of single phase transformer, O.C. and S.C. tests.

    UNIT-IV

    Transformer (Three phase): Three – phase unit transformer and Bank of three single phase transformers with their advantages, Three-phase transformer Connections. Single Phase auto transformer (working, advantage and applications)

    UNIT-V

    Three phase induction Motor: Principle of operation, Types, torque equation, torque-slip characteristics and applications. (Simple numerical problems related to slip only).
    Synchronous Machines (motor): Principle of operation of synchronous motor, starting methods and applications.

    Books:

    • 1. Asfaq Hussain “Basic Electrical Engineering”, Dhanpat Rai
    • 2. Nagrath I.J., Basic Electrical Engineering, Tata McGraw Hill.
    • 3. A.E. Fitgerald, D.E., Higginbotham and A Grabel, Basic Electrical Engineering, McGraw Hill.
    • 4. H. Cotton, Advanced Electrical Technology, Wheeler Publishing.
    04
  • JDEE-304

    Electrical and Electronics Engg Materials:

    UNIT-I

    Classification Classification of materials into conducting, semiconducting and insulating materials with reference to their atomic structure and energy bands.
    Conducting Materials: Resistivity and factors affecting resistivity, such as temperature, alloying. Super conductivity and super conducting material. Low resistivity materials e.g. copper, aluminum and steel, their general properties as conductor e.g. resistivity, temperature co-efficient, mechanical properties, corrosion, solar ability, contact resistance and practical application.

    UNIT-II

    Insulating Materials: Properties of insulating material: Electrical properties, Mechanical properties, Physical properties, Thermal properties, Chemical properties, Insulating materials and their application-Definition and classification of Thermo setting materials e.g. Phenol Formaldehyde, Resins (i.e. Bakelite), Thermo Plastic materials e.g. Polyvinyl Chloride (P.V.C.), ,Natural Insulating Materials- Mica and Asbestos, Gaseous Materials e.g. Air, Hydrogen and SF6.

    UNIT-III

    Magnetic Materials: B-H curve of magnetic materials, Classification of magnetic materials into soft and hard magnetic materials. Soft magnetic materials - high silicon alloy steel for transformers and low silicon alloy steel, for electric rotating machine cold rolled grain oriented and non-oriented steel, Nickel iron alloy, soft ferrites, their properties and uses. Hard magnetic materials - tungsten steel, chrome steel, cobalt steel, hard ferrites, their properties and applications.

    UNIT-IV

    Semiconductor Materials Introduction, semiconductor and their applications, Different semiconductor materials used in manufacturing various semiconductors (Si & Ge), Material used for electronic components like resister, capacitor, diode, transistors and inductors.

    UNIT-V

    Special Purpose Materials: Thermocouple, bimetals, lead soldering and fuses material, mention their applications, Introduction of various engineering materials necessary for fabrication of electrical machines such as motors, generators, transformers etc.

    Books:

    • 1. Bhattacharya SK, Electrical and Electronics Engineering Materials, Khanna Publishers New Delhi.
    • 2. Grover and Jamwal, Electronics Components and Materials, Dhampat Rai and Co. New Delhi.
    • 3. Dhir SM, Electrical Engineering Materials, Tata Mc Graw Hill, New Delhi.
    • 4. Kapoor PL, Electrical Engineering Materials, Khanna Publishers, New Delhi.
    • 5. Sharma BR and Others, Electrical and Electronics Engineering Materials, Sayya Parkashan.
    • 6. DR. Arora, Electrical and Electronics Engineering Materials, Ishan Publications, Ambata City.
    • 7. Dogra Rakesh, Electrical Engineering Materials, SK Kataria and Sons, N. Delhi.
    04
  • JDEE-305

    Integrated Electronics:

    UNIT-I

    Digital Electronics: Introduction- Basic difference between analog and digital signal; Advantages of digital system and its field applications. Number system- Binary, Octal and hexadecimal and their need.

    UNIT-II

    Logic gates: symbol and truth tables of AND, OR, NOT, NAND, NOR and EX-OR gates. Boolean theorems and postulates (without proof). Realization of small Boolean functions and reduction using Karnaugh’s map.

    UNIT-III

    Half Adder and full adder circuits and their operations, Display devices, Encoder, Decoder Multiplexer and Demultiplexer. Need of flip flops, Detailed idea of counters (synchronous and asynchronous) and registers with purpose. Multivibrators (Astable, monostable and bistable).

    UNIT-IV

    Operational Amplifiers: Specifications of ideal operational amplifier and its block diagram as an inverter, scale changer, adder, substractor, differential amplifier differentiator integrator, Schmitt trigger and log and antilog amplifiers.

    UNIT-V

    Microprocessors and introduction of ICs: Microprocessors and its need in modern technology, functional block diagram of microprocessor and function of its various block with reference to 05 microprocessor Introduction of IC and its importance in modern electronics types of IC some examples of popular IC (74 series)

    Books:

    • 1. Microprocessor, B.Ram
    • 2. Principle of Electronics, V.K. Mehta
    04
  • JDAM-301

    Applied Mathematics-III:

    UNIT-I

    Matrix-I Type of matrix: Null matrix, unit matrix, square matrix, symmetric and skew-symmetric matrix, orthogonal matrix, diagonal and triangular matrix, Hermitian and Skew-Hermitian matrix, unitary matrix.
    Algebra of Matrix: Addition, subtraction and multiplication. Determinant of matrix, cofactor of matrix, computing inverse through determinant and cofactor. Elementary row/column transformation: meaning and use in computing inverse of matrix.

    UNIT-II

    Matrix-II Linear dependence/independence of vectors. Definition and computation of rank of matrix through determinants, elementary row and column transformation (Echelon and Normal form of matrix), consistency of equations.
    Eigen Values and Eigen Vectors, Cayley-Hamiltom Theorem Definition and evaluation of Eigen values and Eigen vectors of a matrix of order 2 and 3. Cayley-Hamilton theorem (without proof) and its verification, use of Cayley-Hamilton theorem in finding inverse.

    UNIT-III

    Ordinary Differential Equation Introduction, formation, order, degree of ordinary differential equation. Formation of ordinary differential equations through physical, geometrical, mechanical, electrical consideration. Solution of differential equations of first order and first degree by variable separable, reducible to variable separable forms, linear and Bernoulli form and exact differential equation.

    UNIT-IV

    Second Order Differential Equation Properties of solution, linear differential equation of second order with constant coefficients, complimentary function and particular integral, equation reducible to linear form with constant coefficients. Simple Applications LCR circuit, Motion under gravity, Newton’s law of cooling, Radioactive decay, Population growth, Oscillations of a string, Equivalence of electrical mechanical system.

    Books:

    • 1. Applied Mathematics: Kailash Sinha, Meerut publication.
    • 2. Applied Mathematics: P.K Gupta, Asian Publication.
    • 3. Applied Mathematics: H.R Luthra, Bharat Bharti Prakashan.
    • 4. Applied Mathematics: H.K Das, C.B.S Publication.
    • 5. Mathematics for Polytechnic: S.P Deshpande, Pune Vidyarthi Griha.
    • 6. Calculus: Single Variable: Robert T. Smith, Tata McGraw Hill.
    • 7. Mathematics I: Ane Books India. Z. Khan, Q.S Ahmad & S.A. Khan.
    04
  • JDEE-351

    Electrical Circuits Lab:

    List of Experiments

    (Minimum of Six experiments should be done)

    • 1. Determine the loop currents in any DC network
    • 2. Determine the node voltages in any DC network
    • 3. Verification of principle of superposition with DC sources.
    • 4. Verification of Thevenin’s theorems in DC circuits
    • 5. Verification of Norton theorems in DC circuits
    • 6. Verification of Maximum power transfer theorems in DC circuits
    • 7. Study of RLC series resonance
    • 8. Study of RLC Parallel resonance
    02
  • JDEE-352

    Electrical Workshop:

    List of Experiments

    • 1. Study the construction, working & circuit of the following: Fluorescent lamp (tube light), Sodium vapour lamp, Mercury vapour lamp, Halogen lamp and Neon lamp.
    • 2. Make the tube light connection and to measure the following: Power factor of the circuit, Voltage across the tube, Voltage across the chock, Power drawn by the circuit form the supply to draw phasor diagram for the circuit.
    • 3. Importance of wire joints, mechanism of failure of joint, methods of minimizing joint failures. Importance of lugs in joints, bus bars, methods of reducing the contact/join resistance, How to join the dissimilar metal joints, Use of multimeter and meggar.
    • 4. a) Study the different types of wires and wiring accessories.
      • b) To make the house wiring for the following: House wiring having 3 fans, 2 tube lights, one – 3 pin socket, and one lamp showing the ear thing of each appliance.
    • 5. Make the circuit for staircase wiring.
    • 6. Assemble and disassemble a table fan & ceiling fan. To learn about their nature of winding, No. of poles and starting capacitor. To draw winding diagrams and phasor diagram.
    • 7. Study the various types of earthing for electrical appliances/systems, Practice of earthing.
    • 8. Study the construction & working of single-phase transformer & design a small single-phase transformer of given rating.
    02
  • JDEE-353

    Electromechanical Energy Conservation Devices-I Lab:

    List of Experiments (minimum of 7 experiments should be done)

    • 1. To obtain load characteristics of a DC shunt and series generator
    • 2. To obtain load characteristics of a DC compound generator
      • a) Cumulatively compounded
      • b) Differentially compounded
    • 3. To obtain speed – torque characteristics of a DC shunt motor
    • 4. Speed control of DC shunt motor by field control
    • 5. Speed control of DC shunt motor by armature control
    • 6. To obtain efficiency & voltage regulation of a single phase transformer
    • 7. O.C and S.C test in a single phase transformer
    • 8. To obtain the V curve of the synchronous motor
    • 9. Study of single phase induction starting
    • 10. Load test on three phase induction motor
    02
  • JGP-301

    General Proficiency
    02
  • Total Credits
     
    32