Exam Scheme

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Syllabus :- ELECTRICAL ENGINEERING – I

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1. Electrical Circuits
   1. Circuit elements, Voltage & Current Sources, KCL and KVL Analysis
   2. Network topology, Nodal and Mesh analysis
   3. Basic Network theorems for AC and DC circuits
   4. Network Functions: poles and zeros. Driving point and transfer functions
   5. Response of networks to standard input signals
   6. Elementary network synthesis, different types of network parameters, signal flow graphs
   7. Two-port networks, Interconnection of two-port Network
   8. Theorems in transform domain: Fourier series, Laplace transforms and their applications
   9. Frequency response, Resonant circuits and applications
   10. Steady-state response with sinusoidal input
   11. Three-phase balanced and unbalanced networks
   12. Transient response: Transient analysis of RL, RC and RLC circuits
   13. Basics of magnetically coupled circuits

2. Field Theory
   1. Electrostatic and Magnetostatics:
      1. Electrostatics and electrical fields
      2. Stoke’s theorem
      3. Laplace’s and Poisson’s equations
      4. Magnetostatics and magnetic fields
      5. Field in conductors and in magnetic materials
      6. Field in dielectrics
      7. Maxwell’s equations in time-varying fields

3. Electrical Materials
   1. Elementary Concepts
   2. Classification of materials on the basis of permanent magnetic dipoles and conductivity
   3. Electrical and electronic behaviour of materials
   4. Dielectric Properties of insulators in static and alternating fields
   5. Phenomenon of polarization and superconductivity
   6. Applications of magnetic, conducting, dielectric & insulating materials

4. Electrical Machines
   1. DC Motors:
      1. Construction, Characteristics & Applications of shunt, Series & compound motors
      2. Torque, Efficiency and testing
   2. DC Generators:
      1. Construction, Characteristics & Applications of shunt, Series & compound generators
      2. EMF equation, Efficiency & testing
   3. Transformers:
      1. Construction, equivalent circuit, Losses, Efficiency, All-day-efficiency
      2. Voltage regulation, Parallel operation
   4. Induction Motors:
      1. Three-phase induction motors: Construction, Torque, Equivalent circuit, Torque-slip characteristic, Losses, Efficiency, Speed control methods, Braking
      2. Single-phase induction motors: Double revolving field theory, Starting methods
   5. Alternators:
      1. Construction, EMF equation, Winding factor, Armature reaction
      2. Synchronous reactance, Voltage regulation, Efficiency, Parallel operation, Synchronization
   6. Synchronous Motors:
      1. Starting, Torque, Hunting & Damping
      2. Power-angle Characteristic, V-curves

5. Power systems
   1. Generation: thermal, Hydro, Nuclear generation; Non-conventional energy sources
   2. Transmission & Distribution
   3. Transmission line parameters – Resistance, Inductance and capacitance calculation
   4. Performance of short, medium and long lines. Neutral earthing & grounding
   5. Underground Cables. Corona & its effects and remedial measures
   6. Basic idea of power system stability & its types
   7. Introduction to HVDC transmission
   8. Switchgear & protection: theories of arc extinction
   9. Comparative merits of minimum oil, bulk oil, air break, air blast & SF6 circuit breakers
   10. Causes and consequences of fault currents. Current limiting reactors. Busbar arrangements
   11. Requirements of protective relays. Protection of lines, transformers, synchronous generators and busbars
   12. Symmetrical components and their applications