ECG 440 – introduction to power systems engineering

CATALOG DATA.

Electric energy sources and energy conversion principles, modeling and analysis of synchronous generators, transmission lines, transformers, AC and DC machines, brief introduction to power system analysis including fault calculation, economic dispatch, stability, protection and control.

TEXTBOOK

T. Wildi, Electric Machines, Drives and Power Systems, 4th Edition, Prentice Hall, 2000.

COORDINATOR

Yahia Baghzouz, Professor of Electrical Engineering.

COURSE OBJECTIVES

To teach students

  • how to calculate various powers and correct the power factor in 1-phase and 3-phase circuits
  • how to derive the efficiency, voltage regulation, electrical parameters, and loading on power transformers
  • energy conversion steps of various power plants, and sysnchonous generator characteristics including synchronization and control of power
  • the types of power lines and how to determine their electrical parameters, and voltage regulation and efficiency under load
  • the equipment involved in the distribution of electric energy and the characteristics of electrical loads
  • the electromechanical characteristics of 3-phase induction motors, synchronous motors and DC motors
  • how to calculate power flow, short circuit current, economic dispatch and stability of a simple power system

PREREQUISITE

Corequisite: ECG 330 Prerequisite: ECG 320

TOPICS

  • Fundamentals (per-unit system, circuit laws, electromagnetism, mechanics and heat, power calculations in single-phase and three-phase AC circuits, power factor correction)
  • Transformers (ideal transformer, practical transformers, three-phase transformers, special transformers)
  • Generation of electrical energy (types of generating stations, synchronous generators, equivalent circuit, stand-alone and parallel operation)
  • Transmission of electrical energy (types of power lines, line resistance, inductance and capacitance, pi-equivalent circuit, grounding and lightning protection)
  • Distribution of electrical energy (substation equipment, feeder protection, electrical installations in buildings, characteristics of electrical loads)
  • Electric motors (induction motor electrical characteristics, torque-speed curve, selection and application of 3-phase motors, equivalent circuit, synchronous motors, DC motors)
  • Power system analysis (power flow, symmetrical components, short circuit calculations, economic dispatch a stability of a two-machine system)

COURSE OUTCOMES

Upon completion of this course, students should be able to:

  • calculate various powers and correct the power factor of an AC circuit.
  • derive the equivalent circuit parameters of a transformer and calculate efficiency, voltage regulation, and loading.
  • list the steps involved in energy conversion in a power plant, derive a synchronous generator circuit parameters, synchronize parallel generators, and understand how to control real and reactive power.
  • calculate the electrical parameters of a given transmission line including voltage regulation, efficiency and loading.
  • identify the role of power equipment in distribution system (such as circuit breakers, fuses, surge arresters, and disconnecting switches), and the importance of equipment grounding.
  • work induction motor, synchronous motor and DC motor problems (e.g., torque-speed characteristics, effect of load change, efficiency).
  • formulate the power flow equations, determine short circuit currents, solve the economic dispatch of simple power systems.
  • use software tools to solve power flow and fault currents in complex power systems

COMPUTER USAGE

EasyPower

DESIGN CONTENT

The design involves transformers, load balancing circuits, transmission lines, motors, generators.

CLASS SCHEDULE

Lecture - 3 hours per week

PROFESSIONAL CONTRIBUTION

Engineering Science: 2.5 credits

Engineering Design: 0.5 credits

RELATIONSHIP BETWEEN COURSE AND PROGRAM OUTCOMES

The course outcomes meet the following program objectives:

a. Knowledge of scientific principles that are fundamental to the following application areas: Communications, Computers, Digital Signal Processing, Electronics, Electromagnetics, Power and Solid State.

b. An ability to design and conduct experiments, analyze and interpret data, design a system, component, or process using the techniques, skills, and modern engineering tools, incorporating the use of design standards and realistic constraints that include most of the following considerations: economic, environmental, sustainability, manufacturability, ethical, health and safety, social and political.

d. An ability to identify, formulate and solve engineering problems

COURSE PREPARER AND DATE OF PREPARATION

Yahia Baghzouz, June 8, 2002 (Version 1)