EE-380 Electrical Machines (3-0-0-6)

Magnetic circuits and transformer including 3-phase transformers; modeling of D.C. machines; phasor diagram of cylindrical rotor and salient pole machines- electromagnetic and reluctance torque, response under short circuit conditions; modeling of induction machines- derivation of equivalent circuits, dynamics under load change, speed reversal and braking, unbalanced and asymmetrical operation; single phase induction motor and applications in domestic appliances; modeling of synchronous machines – equivalent circuit, d-q transformations, short circuit studies in synchronous machines; variable reluctance, permanent magnet, stepper motors and their applications.

Text Books
  1. Stephen Chapman, Electric Machinery Fundamentals, McGraw-Hill, 4/e, 2003.
  2. R. K. Rajput, Electrical Machines, 3/e, Laxmi Publications (P) Ltd., 2003.
Reference Books
  1. I. L. Kosow, Electrical Machinery and Transformers, 2/e, Prentice- Hall of India Pvt. Ltd., 2003.
  2. B. S. Guru and H. R. Hiziroglu, Electrical Machinery and Transformers, 3/e, Oxford University Press, 2003.


EE-381 Electrical Machines Laboratory (0-0-3-3)

Open circuit and short circuit tests of single phase transformer, three phase transformer connections, open circuit test and load characteristics of DC generator, speed control and output characteristics of DC motor, no load, blocked rotor and load tests on induction motor, open circuit and short circuit tests of an alternator.

Text Books
  1. Stephen Chapman, Electric Machinery Fundamentals, 4/e, McGraw-Hill, 2003.
  2. R. K. Rajput, Electrical Machines, 3/e, Laxmi Publications (P) Ltd., 2003.


EE-382 Electrical Power Systems (3-0-0-6)

Generation of electrical energy: Basic structure of power system; demand of electrical system – base load, peak load; controlling power balance between generator and load, advantages of interconnected system; Thermal power plant – general layout, turbines, alternators, excitation system, governing system, efficiency; Hydel power plant – typical layout, turbines, alternators; Nuclear power plant – principle of energy conversion, types of nuclear reactors; brief overview of renewable energy sources. Transmission of electrical energy: Evaluation of Transmission line parameters- types of conductors, representation of transmission line, inductance calculation of single/three phase lines, concept of GMD and GMR, transposition of lines, bundled conductors, skin effect, proximity effect, capacitance calculation of single/three phase lines, effect of earth on calculation of capacitance, line resistance, line conductance; Analysis of transmission lines – representation, short/medium/long transmission lines, nominal T/π network, ABCD parameters, surge impedance, Ferranti effect, power flow through a transmission line, reactive power compensation of transmission line; corona loss; Insulators for overhead transmission lines – types of insulators, string efficiency, methods to improve string efficiency; Insulated cables – insulating material, grading of cables, capacitance of single/three core cable, dielectric loss; methods of grounding; Transient analysis – travelling waves, reflection and refraction, lattice diagram; mechanical design of transmission line. Distribution of Electrical Energy: D.C and A.C. distribution, radial and ring main distribution, medium voltage distribution network, low voltage distribution network, single line diagram, substation layout, substation equipments.

Text Books
  1. L. M. Faulkenberry and Walter Coffer, Electrical Power Distribution and Transmission, 2/e, Pearson Education Inc., 2007.
  2. S. N. Singh: Electric Power Generation, Transmission and Distribution, Prentice-Hall, 2007.

Reference Books
  1. J. D. Glover, M. S. Sarma and T. J. Overbye, Power System Analysis and Design, 4/e, Thomson Learning Inc., 2007.
  2. James Green and R. Wolson, Control and Automation of Electric Power Distribution System, Taylor and Francis, 2006.
  3. B. Sorensen, Renewable Energy, Academic Press, 2/e, 2000.
  4. Tarun Gonen, Electric Power Distribution System, McGraw-Hill, 1986.
  5. W. D. Stevenson, Elements of Power System Analysis, McGraw-Hill, 4/e, 1982.

EE-385 POWER ELEETRONICS AND DRIVES (3-0-0-6)

Power Semiconductor Devices: Diode, BJT, MOSFET, SCR, Triac, GTO, IGBT, MCT and their V-I characteristics, ratings, driver circuits, protection and cooling; AC-DC Converters (Rectifiers): Diode rectifier, thyristor based rectifier, effect of source inductance, single/three phase rectifiers, semi/full rectifiers, power factor, harmonics; DC-AC Converters (Inverters): Concept of switched mode inverters, PWM switching, voltage and frequency control of single/ three phase inverters, harmonics reduction, other switching schemes - square wave pulse switching, programmed harmonic elimination switching, current regulated modulation switching - tolerance band control, fixed frequency control; voltage source inverter (VSI), current source inverter (CSI); DC-DC Converters (Chopper): Principle; buck, boost and buck-boost converters; AC Voltage Controllers: Principle of ON-OFF control and phase control, single/three phase controllers, PWM AC voltage controller,cycloconverters; Electric drives: introduction and classification. DC motor drives: speed-torque characteristics of shunt, series, PMDC motors; dynamic models; speed and position control methods; AC motor drives: d-q model of induction motor; constant flux speed control structure; vector control model; vector control structure.


Text Books
  1. N. Mohan, Power Electronics- Converters, Applications and Design, 3rd Ed., John Wiley & Sons, 2003.
  2. G. K. Dubey, Fundamentals of Electrical Drives, Narosa Publishing House, 2003.

Reference Books
  1. M. Rashid, Power Electronics- Circuits, Devices and Applications, 3rd Ed., Prentice Hall, 2004.
  2. B. K. Bose, Modern Power Electronics and AC Drives, Pearson Education, 2003.
  3. A. M. Trzynadlowski, Introduction to Modern Power Electronics, John Wiley & Sons, 1998.
  4. M. Rashid, Power Electronics Handbook, Academic Press-Elsevier, 2001.


EE-480 ELECTRICAL POWER SYSTEM OPERATION AND CONTROLS(3-0-0-6)

Power system analysis: modeling of power system components - integrated operation of power systems, load flow studies, economic load dispatch, load frequency control, automatic generation control (AGC), power system stability; Power system protection: Symmetrical components, fault analysis, switchgear, fuses, circuit breakers and relays. Economics of power supply systems: Economic choice of conductor size and voltage level, maximum demand and diversity factor, tariffs, power factor correction; Introduction to high voltage DC transmission (HVDC), flexible AC transmission system (FACTS), supervisory control and data acquisition (SCADA).


Text Books
  1. D. P. Kothari and I. J. Nagrath, Modern Power System Analysis, McGraw-Hill, 2006.
  2. P. Kundur, Power System Stability and Control, McGraw-Hill, 1995.

Reference Books
  1. Narain G. Hingorani and Laszlo Gyugyi, Understanding FACTS, Wiley-IEEE Press, 1999.
  2. Jos Arrillaga, High voltage direct current transmission, IEE Power Engineering Series, 2/e, 1998.
  3. A. J. Wood and B. F. Wollenberg, Power Generation Operation and Control, John Wiley and Sons, 2/e, 1996.
  4. A. Wright and C. Christopoulos, Electrical Power system protection, Chapman & Hall, 1993.


EE-481 POWER ELECTRONICS AND DRIVES(3-0-0-6)

Power Semiconductor Devices: Diode, BJT, MOSFET, SCR, Triac, GTO, IGBT, MCT and their V-I characteristics, ratings, driver circuits, protection and cooling; AC-DC Converters (Rectifiers): Diode rectifier, thyristor based rectifier, effect of source inductance, single/three phase rectifiers, semi/full rectifiers, power factor, harmonics; DC-AC Converters (Inverters): Concept of switched mode inverters, PWM switching, voltage and frequency control of single/ three phase inverters, harmonics reduction, other switching schemes - square wave pulse switching, programmed harmonic elimination switching, current regulated modulation switching - tolerance band control, fixed frequency control; voltage source inverter (VSI), current source inverter (CSI); DC-DC Converters (Chopper): Principle; buck, boost and buck-boost converters; AC Voltage Controllers: Principle of ON-OFF control and phase control, single/three phase controllers, PWM AC voltage controller, cycloconverters; Electric drives: introduction and classification. DC motor drives: speed-torque characteristics of shunt, series, PMDC motors; dynamic models; speed and position control methods; AC motor drives: d-q model of induction motor; constant flux speed control structure; vector control model; vector control structure.


Text Books
  1. N. Mohan: Power Electronics- Converters, Applications and Design, 3/e, John Wiley & Sons, 2003.
  2. G. K. Dubey, Fundamentals of Electrical Drives, Narosa Publishing House, 2003.

Reference Books
  1. Muhammad Rashid, Power Electronics- Circuits, Devices and Applications, 3/e, Prentice Hall, 2004.
  2. B. K. Bose, Modern Power Electronics and AC Drives, Pearson Education, 2003.
  3. Andrzej M. Trzynadlowski, Introduction to Modern Power Electronics, John Wiley & Sons, 1998.
  4. Muhammad Rashid, Power Electronics Handbook, Academic Press-Elsevier, 2001.


EE-482 ADVANCED ELECTRICAL ENGINEERING LABORATORY(0-0-3-3)

Reactive power compensation, synchronization of alternators, load angle characteristics of transmission line, ABCD parameters of transmission lines, fault analysis based on over-current and differential relays, design of simple inverters and voltage controllers, speed control of electric drives.


Text/Reference Books
  1. C. S. Indulkar, Laboratory Experiments in Electrical Power Engineering, Khanna Publishers, 2003.
  2. G. K. Dubey, Fundamentals of Electrical Drives, Narosa Publishing House, 2003.
  3. S. N. Singh: Electric Power Generation, Transmission and Distribution, Prentice-Hall, 2007.
  4. R. K. Rajput, Electrical Machines, Laxmi Publications (P) Ltd, 3/e, 2003.
  5. P. Kundur, Power System Stability and Control, McGraw-Hill, 1995.