ABOUT IES Electrical Engineering EXAM

Indian Engineering Services comprise of engineers who work under the government of India and designated as Class – 1 officer. They administer a large segment of the public sector economy, which constitutes of Indian Railways, Power, Telecommunications, Central Water engineering, Defence service of Engineers, Central Engineering Service, etc. The nature of work performed by these bureaucrats largely depends on their engineering branch and the service or cadre they are recruited in. The career progression goes smoothly attaining high esteem.

A combined competitive examination is conducted by the Union Public Services Commission (UPSC) for recruitment to the Indian Engineering Services.

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Exam Information

Union Public Service Commission, Indian Engineering Services Examination (IES):

Branch: Electrical Engineering

The syllabus for the two papers is as following (Paper-1 and paper-2)

Paper-1 (Preliminary Examination, Stage-1)

General Studies and engineering Aptitude:
1.    Current affairs of national and international importance related to social, economic and industrial development.
2.    Engineering Aptitude with Logical Reasoning and Analytical ability.
3.    Engineering Mathematics and Numerical Analysis.
4.    Principles of Design, Drawing, Importance of safety.
5.    Standard and quality practices in production, construction, maintenance and services.
6.    Basics of energy conservation, Environmental pollutions and degradation, climate change , Environmental impacts.
7.    Basics of Project Management.
8.    Basics of Material Science and Engineering.
9.    Tools and their applications in Engineering such as networking, e-governance and technology based education, based on Information and communication Technology (ICT).
10.    Ethics and values in Engineering Profession.


Paper-2 (Preliminary Examination, Stage-1)
 Electrical  Engineering
1.    Engineering Mathematics
2.    Electrical Materials
3.    Electric Circuit and fields
4.    Electrical and Electronic Measurement
5.    Computer Fundamentals
6.    Basic Electronics Engineering
7.    Analog and Digital Electronics
8.    System and Signal Processing
9.    Control System
10.    Electrical Machines
11.    Power System
12.    Power and Drives


Paper-1 (Mains Examination, Stage -2)
1.    Engineering Mathematics:

  • Matrix Theory
  •  Eigen Values and Eigen vectors
  • System of linear equations
  •  Numerical methods of solution of non-linear algebraic equations and differential equations
  • Integral Calculus
  • Partial derivatives
  • Maxima and Minima
  • Line, Surface and Volume Integrals
  • Fourier Series
  • Linear, Non-linear and partial differential equations
  • Initial and boundary value problems
  • Complex variable
  • Taylor’s and Laurent’s series
  • Residue theorem
  • Probability and statistics fundamentals
  • Sampling theorem
  • Random Variables
  • Normal and Poisson distributions
  • Correlation and regression analysis

2.    Electrical Materials:

  • Electrical Engineering Materials
  • Crystal Structures and defects
  •  Ceramic Materials
  •  Insulating Materials
  •  Properties, applications and basics of Magnetic Materials
  •  Ferrities, Ferro-magnetic materials and its components
  •  Basics of solid state Physics and Conductors
  •  Photo-Conductivity
  • Basics of Nano Materials and Superconductors

    3.  Electric Circuits and Fields :

  •  Circuit elements
  •  Network graph
  •  KCL, KVL
  •  Node and Mesh analysis
  •  Ideal Current and Voltage Sources
  •  Thevenin’s and  Norton’s Superposition and Maximum Power Transfer Theorems
  • Transient response of DC and AC networks
  • Sinusoidal steady state analysis
  •  Basic filter concepts
  • Two-port networks, Three-phase circuits
  • Magnetically coupled circuits
  •  Gauss Theorem
  •  Electric field and potential due to point,line, plane and spherical charge distributions
  •  Amper’s and Biot-Savart’s laws
  •  Inductance, Dielectrics, Capacitance
  • Maxwell’s Equations

4.    Electrical and Electronic Measurement :

  • Principles, accuracy, precision and standards of measurements.
  • Bridges and Potentiometers
  •  Moving coil. Moving iron and Dynamometer and induction type instruments
  •  Measurement of Voltage, Power, Current, Energy and Power factor
  •  Instrument Transformers
  •  Digital Voltmeters and Multi-meters
  •  Phase, Time and Frequency Measurement
  •  Q-Meters, Oscilloscopes
  •  Potentiometric recorders
  • Error analysis
  • Basics of sensors, Transducers
  • Basics of data Acquisition system.

    5. Computer Fundamentals:

  •  Number System
  • Boolean Algebra
  •  Arithmetic Functions
  • Basic Architecture
  • Central Processing Unit
  •  Input/Output and Memory Organisation
  • Peripheral Devices
  • Data Representation and Programming
  •  Basics of Operating System and Networking
  •  Virtual Memory
  •  File Systems
  • Element of Programming Languages and their examples.
  • 6.    Basic Electronic Engineering:
  • Characteristics and basics of Semiconductors diode and Transistors.
  • Junction and Field effect Transistors (BJT, FET, MOSFETs)
  •  Different type of transistor amplifiers
  •  Equivalent circuits and frequency response
  • Oscillators and other circuits
  • Feedback Amplifiers.

Paper-2 (Mains Examination, Stage -2)

1.    Analog and Digital Electronics:

  • Characteristics and applications of operational amplifiers
  • Combinational and sequential logic circuits
  • Multiplexers, Multi-vibrators, Sample and hold circuits
  • Analog to Digital and digital to Analog Converters
  • Applications and Basics of Filter Circuits
  • Simple Active filters
  •  Interfaces, Applications and Basics of Microprocessor
  • Basics of Linear Integrated circuits
  • Basics of Analog Communication
  • Modulation and demodulation
  • Noise and Bandwidth, Transmitters and receivers
  • Signal to noise ratio
  • Basics of Digital Communication
  • Sampling, Quantizing, coding, frequency and time domain multiplexing
  •  Power line carrier communication systems.

     2.  Systems and Signal Processing: 

  •  Representing of continuous and discrete-time signals
  • Shifting and scaling operations
  •  Linear, Time-invariant and Casual systems
  •  Fourier series representation of continuous periodic signals
  •  Sampling theorem, Fourier and Laplace Transforms
  •  Z-transform, Discrete Fourier Transform
  • FFT, Linear Convolution
  • Discrete cosine transform, IIR filter, Bilinear transformation.

   3. Control Systems:

  •   Principles of feedback 
  •  Transfer system
  •  Block diagrams and signal flow graphs
  •  Steady state errors
  •  Transforms and their applications
  •  Routh-hurwitz criterion
  •  Nyquist techniques
  •  Bode plots, Root Loci, Lag, Lead and Lead-Lag Compensation
  •  Stability analysis
  •  Transient and frequency response analysis
  • State Space Model
  • State transition Matrix
  • Controllability
  • Linear state variable feedback
  • PID and Industrial controllers
  • 4    Electrical Machines:
  •  Connections, parallel operation, auto transformer energy conversion principles of Single phase transformers and Three-phase Transformers.
  •  DC machine and its types, winding, generator characteristics, armature reaction and communication
  •  Starting and speed control of motors
  •  Induction motors and its principles, types, performance, characteristics and starting and speed control.
  •  Synchronous machines and its performance, regulation, parallel operation of generators.
  •  Motor starting and its characteristics and applications
  •  Servo and Stepper Motors.
  • 5    Power Systems:
  • Basic concepts of Power generation
  • Steam, gas, water turbines, transmission line models and its performance
  •  Cable performance
  • Insulation, corona and radio interfaces
  •  Power factor correction
  •  Symmetrical components
  •  Fault analysis and Principles of protection system
  •  basics of solid state relays and digital protection
  •  Circuit breakers,  Radial and ring-main distribution systems
  • Matrix representation of power systems
  •  load flow analysis, voltage control and economic operation
  • System stability concepts
  • Swing curves and equal area criterion
  •  HVDC transmission and  concepts of FACTS 
  • Concepts of power system dynamics
  • distributed generation, solar and wind power
  • Smart grid concepts
  •  Environmental implications
  • Fundamentals of power economics.

     6.  Power  Electronics and Drivers:

  • Semiconductor power diodes
  • Transistors, thyristors and triacs
  • Static characteristics and principles of operation of GTOs, MOSFETs and IGBTs
  • Triggering circuits, Phase control rectifiers
  •  Fully controlled and half controlled Bridge converters 
  • Principles of choppers and inverters
  • Basic concepts of adjustable speed DC and AC drives
  • DC-DC switched mode converters, DC-AC switched mode converters and resonant converters
  • High frequency inductors and transformers 
  •  Power supplies.
     

UPSC IES Exam Pattern:
 The total marks for 3 stages are 1300.
1.    Preliminary Examination: Preliminary Exam is having two papers in a day. Both papers are of objective types..

  • Paper-1:This paper includes GENERAL STUDIES & ENGINEERING APTITUDE. The time duration of this paper is 2 hours. The total marks for this paper is 200 marks.
  • Paper-2: This Paper includes Engineering Discipline. The time duration of this paper is 3 hours. The total marks for this paper is 300 marks

2.  Mains Examination: Mains exam is also having two papers in a day. Both papers are of conventional type.

  • Paper-1:  This paper includes Engineering discipline-1 and the time duration of this paper is 3 hours. The total marks for this paper is 300 marks.
  • Paper-2:  This paper includes Engineering discipline-2 and the time duration of this paper is 3 hours. The total marks for this paper is 300 marks.

3.  Personality Test:  This  is the final round which includes personal interview process. The total marks for this stage is 200. 

Qualification Content:

Nationality of a candidate :

  • He/She is should be a citizen of India  OR
  • He/She is should be a subject of Nepal or A subject of Bhutan OR
  • He/She is should be a Tibetan refugee who came over to Indian before the 1st January, 1962 with the intention of permanently settling in India.

Age Limits:

  • A candidate must have attained the age of 21 years and must not have attained the age of 30 years on the 1st January, of the exam year.
  • The upper age-limit of 30 years will be relaxable up to 35 years if the candidate is a Government servants of the following categories, if they are employed in a Department/Office under the control of any of the authorities.

Minimum Educational Qualifications:

  • Obtained a degree in Engineering from a from a recognized institute or university. (OR)
  • Passed Section A and B of the Institution Examinations of the Institution of Engineers (India) (OR)
  • Obtained a degree/diploma in Engineering from such foreign University/College/Institution and under such conditions as may be recognised by the Government for the purpose from time to time.(OR)
  • Passed Graduate Membership Examination of the Institute of Electronics and Telecommunication Engineers (India) (OR)
  • Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India (OR)
  • Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November 1959

 

Other Information:

  • Three tier examples which includes Preliminary (stage-1), Mains (Stage-2) and Personality test which make screening process of candidates easier.
  • In Preliminary examination, the questions are of objective types and  in Mains examination, the questions are of Conventional type.
  • Candidates who qualify the Preliminary are permitted to appear for Mains.
  • English is not there in any paper.
  • Recently the weightage of Mains has been changed from 500 to 600 and weightage of  Preliminary has been changed from 600 to 500.
  • Now the total marks for all the three rounds are 1300.

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