GATE Exam Syllabus - 2018
Electrical Engineering , Competitive Exam, Exam Preparation, Electrical Basic Topics, Electrical Applications
Syllabus
Linear Algebra:
- Matrix Algebra,
- Systems of linear equations,
- Eigenvalues,
- Eigenvectors.
Calculus:
- Mean value theorems,
- Theorems of integral calculus,
- Evaluation of definite and improper integrals,
- Partial Derivatives,
- Maxima and minima,
- Multiple integrals,
- Fourier series,
- Vector identities,
- Directional derivatives,
- Line integral,
- Surface integral,
- Volume integral,
- Stokes’s theorem,
- Gauss’s theorem,
- Green’s theorem.
Differential equations:
- First order equations (linear and nonlinear),
- Higher order linear differential equations with constant coefficients,
- Method of variation of parameters,
- Cauchy’s equation,
- Euler’s equation,
- Initial and boundary value problems,
- Partial Differential Equations,
- Method of separation of variables.
Complex variables:
- Analytic functions,
- Cauchy’s integral theorem,
- Cauchy’s integral formula,
- Taylor series, Laurent series,
- Residue theorem,
- Solution integrals.
Probability and Statistics:
- Sampling theorems,
- Conditional probability,
- Mean,
- Median,
- Mode,
- Standard Deviation,
- Random variables,
- Discrete and Continuous Distributions,
- Poisson distribution,
- Normal distribution,
- Binomial distribution,
- Correlation analysis,
- Regression analysis.
Numerical Methods:
- Solutions of nonlinear algebraic equations,
- Single and Multi‐step methods for differential equations.
Transform Theory:
- Fourier Transform,
- Laplace Transform,
- z‐Transform.
Topic 2: Electric Circuits
- Network graph,
- KCL, KVL,
- Node and Mesh analysis,
- Transient response of dc and ac networks,
- Sinusoidal steady‐state analysis,
- Resonance,
- Passive filters,
- Ideal current and voltage sources,
- Thevenin’s theorem,
- Norton’s theorem,
- Superposition theorem,
- Maximum power transfer theorem,
- Two‐port networks,
- Three phase circuits,
- Power and power factor in ac circuits.
Topic 3: Electromagnetic Fields
- Coulomb’s Law,
- Electric Field Intensity,
- Electric Flux Density,
- Gauss’s Law,
- Divergence,
- Electric field and potential due to point,
- line,
- plane and spherical charge distributions,
- Effect of dielectric medium,
- Capacitance of simple configurations,
- Biot‐Savart’s law,
- Ampere’s law,
- Curl,
- Faraday’s law,
- Lorentz force,
- Inductance,
- Magnetomotive force,
- Reluctance,
- Magnetic circuits,
- Self and Mutual inductance of simple configurations.
Topic 4: Signals and Systems
- Representation of continuous and discrete‐time signals,
- Shifting and scaling operations,
- Linear Time-Invariant and Causal systems,
- Fourier series representation of continuous periodic signals,
- Sampling theorem,
- Applications of Fourier Transform,
- Laplace Transform and z-Transform.
Topic 5: Electrical Machines
- Single phase transformer:
- equivalent circuit,
- phasor diagram,
- open circuit and short circuit tests,
- regulation and efficiency
- Three phase transformers:
- connections,
- parallel operation
- Auto‐transformer,
- Electromechanical energy conversion principles,
- DC machines:
- separately excited,
- series and shunt,
- motoring and generating mode of operation and their characteristics,
- starting and speed control of dc motors
- Three phase induction motors:
- principle of operation,
- types,
- performance,
- torque-speed characteristics,
- no-load and blocked rotor tests,
- equivalent circuit,
- starting and speed control
- Operating principle of single phase induction motors;
- Synchronous machines:
- cylindrical and salient pole machines,
- performance,
- regulation and parallel operation of generators,
- starting of synchronous motor,
- characteristics
- Types of losses and efficiency calculations of electric machines.
Topic 6: Power Systems
- Power generation concepts,
- ac and dc transmission concepts
- Models and performance of transmission lines and cables,
- Series and shunt compensation,
- Electric field distribution and insulators,
- Distribution systems,
- Per‐unit quantities,
- Bus admittance matrix,
- Gauss-Seidel and Newton-Raphson load flow methods,
- Voltage and Frequency control,
- Power factor correction,
- Symmetrical components,
- Symmetrical and unsymmetrical fault analysis,
- Principles of over‐current,
- differential and distance protection
- Circuit breakers,
- System stability concepts,
- Equal area criterion.
Topic 7: Control Systems
- Mathematical modeling and representation of systems,
- Feedback principle,
- transfer function,
- Block diagrams and Signal flow graphs,
- Transient and Steady‐state analysis of linear time-invariant systems,
- Routh-Hurwitz and Nyquist criteria,
- Bode plots,
- Root loci,
- Stability analysis,
- Lag, Lead and Lead‐Lag compensators;
- P, PI and PID controllers;
- State space model, State transition matrix.
Topic 8: Electrical and Electronic Measurements
- Bridges and Potentiometers,
- Measurement of voltage,
- current, power, energy and power factor;
- Instrument transformers,
- Digital voltmeters and multimeters,
- Phase, Time and Frequency measurement;
- Oscilloscopes,
- Error analysis.
Topic 9: Analog and Digital Electronics
- Characteristics of diodes,
- BJT, MOSFET;
- Simple diode circuits: clipping, clamping, rectifiers;
Amplifiers:
- Biasing,
- Equivalent circuit, and Frequency response;
- Oscillators and Feedback amplifiers;
- Operational amplifiers:
- Characteristics and applications; Simple active filters,
- VCOs and Timers,
- Combinational and Sequential logic circuits,
- Multiplexer,
- Demultiplexer,
- Schmitt trigger,
- Sample and hold circuits,
- A/D and D/A converters, 8085Microprocessor:
- Architecture, Programming and Interfacing.
Topic 10: Power Electronics
- Characteristics of semiconductor power devices: Diode, Thyristor, Triac, GTO, MOSFET,IGBT;
DC to DC conversion:
- Buck, Boost and Buck-Boost converters;
- Single and three phase configuration of uncontrolled rectifiers,
- Line commutated thyristor-based converters,
- Bidirectional ac to dc voltage source converters,
- Issues of line current harmonics,
- Power factor,
- Distortion factor of ac to dc converters,
- Single phase and three phase inverters,
- Sinusoidal pulse width modulation.