Power System Protection


CMPE Degree: This course is Not Applicable for the CMPE degree.

EE Degree: This course is Not Applicable for the EE degree.

Lab Hours: 0 supervised lab hours and 0 unsupervised lab hours.

Technical Interest Group(s) / Course Type(s): Electrical Energy

Course Coordinator:

Prerequisites: ECE 4320

Corequisites: None.

Catalog Description

The theory and practice of modern power system protection

Course Outcomes

Not Applicable

Student Outcomes

In the parentheses for each Student Outcome:
"P" for primary indicates the outcome is a major focus of the entire course.
“M” for moderate indicates the outcome is the focus of at least one component of the course, but not majority of course material.
“LN” for “little to none” indicates that the course does not contribute significantly to this outcome.

1. ( Not Applicable ) An ability to identify, formulate, and solve complex engineering problems by applying principles of engineering, science, and mathematics

2. ( Not Applicable ) An ability to apply engineering design to produce solutions that meet specified needs with consideration of public health, safety, and welfare, as well as global, cultural, social, environmental, and economic factors

3. ( Not Applicable ) An ability to communicate effectively with a range of audiences

4. ( Not Applicable ) An ability to recognize ethical and professional responsibilities in engineering situations and make informed judgments, which must consider the impact of engineering solutions in global, economic, environmental, and societal contexts

5. ( Not Applicable ) An ability to function effectively on a team whose members together provide leadership, create a collaborative and inclusive environment, establish goals, plan tasks, and meet objectives

6. ( Not Applicable ) An ability to develop and conduct appropriate experimentation, analyze and interpret data, and use engineering judgment to draw conclusions

7. ( Not Applicable ) An ability to acquire and apply new knowledge as needed, using appropriate learning strategies.

Strategic Performance Indicators (SPIs)

Outcome 1 (Students will demonstrate expertise in a subfield of study chosen from the fields of electrical engineering or computer engineering):
1. Understand the protection philosophy for electric power system and elaborate on the speed, dependability and security of protection systems.
2. Understand the protection requirements for all the major power devices in an electric energy system, such as generators, power lines, and transformers. Describe protection schemes for major power devices and compute settings for the main protection functions.

Outcome 2 (Students will demonstrate the ability to identify and formulate advanced problems and apply knowledge of mathematics and science to solve those problems):
1. Design and code a protective relay and demonstrate its operation with simulated data.
2. Develop algorithms and implementations for analyzing fault conditions for a small electric energy system under transient and steady state faults.

Outcome 3 (Students will demonstrate the ability to utilize current knowledge, technology, or techniques within their chosen subfield):
1. Design, test and be conversant of the main protection functions for component protection, such as overcurrent, directional, differential, distance, over/under voltage, over/under frequency, volts over hertz, out of step protection.
2. Design and implement special protection systems using traveling wave phenomena; design and implement special protection systems based on state estimation.

Course Objectives

Topical Outline

The Power system
Protection philosophy
Zones of protection
Protective equipment

Review of Background Material
Power system modeling
Symmetrical components
Three phase faults
Asymmetric faults
Fault transients
Transformer in-rush currents
Motor starting transients
Effects of grounding
High impedance faults

Relaying Instrumentation
Instrument transformers VTs, and CTs
Characteristic of VTs, nd CTs

Protection Fundamentals
Overcurrent protection
Overvoltage / undervoltage protection
Underfrequency / overfrequency protection
Zone distance protection
Differential protection
Pilot relaying
Computer relaying

Protective Relaying Applications
Generator protection
Motor protection
Transformer protection
Bus protection
Line production - network, radial
Reactor and shunt capacitor protection

Stability, /Reclosing, and Load Shedding
Out-of-Step relaying
Synchroclosers (Dynamic, Static)
Load conversion

Fundamentals of Computer Relaying
Overview of computer relaying
Hardware organization
Integration of substation functions