Print this page Power System Quality
Bijan Ghayour, P.E.
Course Outline
This 2-hour course provides a technical basis for power system quality as a design consideration and explains different methods of solving power quality problems. Unlike other electrical design requirements, power quality design solutions are very dependent on the types of transients and disturbances that can and will occur in power systems. Also, power quality solutions often involve a certain level of compromise between the electrical system design and the design of the end-use equipment. Power quality is an issue that should be addressed at the facility level in order to be certain that the electrical distribution system is designed properly for the anticipated disturbances and the effects of harmonic distortion.
Topics such as: unbalance voltage, harmonic distortions, nonlinear loads, neutral circuit sizing for nonlinear loads and k-factor transformers are discussed.
This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of course materials.
Learning Objective
The purpose of this course is to provide the attendee with concepts, methods and procedures for recognizing and addressing the power system quality issues at the design and commissioning phases of different projects.
At the conclusion of the course the attendees will be familiar with the:
- Unbalanced voltages;
- Harmonic distortion evaluation;
- Harmonic current effects on transformers;
- Power quality design;
- Nonlinear load design considerations;
- Neutral circuit sizing for nonlinear load conditions;
- k-factor transformers; and
- Isolation transformers.
Intended Audience
This course is intended for electrical engineers and designer responsible for the design of electrical distribution system for commercial, institutional, and industrial facilities
Benefit to Attendees
At the conclusion of the course, attendees will have a thorough knowledge of the power system quality issues and proposed solutions to improve the power quality.
Course Introduction
Power system quality is measured in terms of the intensity and duration of transients and disturbances that could be present in electrical distribution systems, because of combination of switching operations, electrical surges, unbalanced and/or non-linear loads. The intensity and duration of these disturbances need to be analyzed to make sure that the end-use equipment are not subjected to undue stresses, and can function within their design parameters.
This course offers methods and guidelines in identifying and quantifying the power system quality issues. Topics such as; unbalanced voltages, harmonic distortion evaluation, harmonic current effects on transformers, nonlinear load design considerations, neutral circuit sizing for nonlinear load conditions, and K-factor transformers are discussed. Practical solutions and examples are offered to solve many of these problems.
Guidance and recommendations herein are based on industry standards and experience in existing facilities. However, projects and situations vary greatly, and sound engineering and management judgment must be exercised when applying these methods and procedures. All available information must be considered in conjunction with this course.
Course Content
This course contains concepts and methods for identifying power quality issues and presents recommendation for the improvement of power quality during the design and commissioning phases of a project.
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Course Summary
This 2-hour course provides a technical basis for power system quality as a design consideration and explains different methods of solving power quality problems. Unlike other electrical design requirements, power quality design solutions are very dependent on the types of transients and disturbances that can and will occur in power systems. Also, power quality solutions often involve a certain level of compromise between the electrical system design and the design of the end-use equipment. Power quality is an issue that should be addressed at the facility level in order to be certain that the electrical distribution system is designed properly for the anticipated disturbances and the effects of harmonic distortion.
Topics such as: unbalance voltage, harmonic distortions, nonlinear loads, neutral circuit sizing for nonlinear loads and k-factor transformers are discussed.
Quiz
Once you finish studying the above course content, you need to take a quiz to obtain the PDH credits.
DISCLAIMER: The materials contained in the online course are not intended as a representation or warranty on the part of PDH Center or any other person/organization named herein. The materials are for general information only. They are not a substitute for competent professional advice. Application of this information to a specific project should be reviewed by a registered architect and/or professional engineer/surveyor. Anyone making use of the information set forth herein does so at their own risk and assumes any and all resulting liability arising therefrom.
