Power System Harmonics and Power Quality

Dr. Ali Moshref, P.Eng.

Partner, Principal Engineer, Power Systems and Testing, BBA Inc.

Dr. Moshref joined BBA in 2012 with over 39 years of power system experience in the energy industry, including power system planning, system operation, asset management, alternate energy resources for power generation, and software development for the analysis of power systems.

Previously at Powertech Labs, Dr. Moshref was the Power System Studies Manager and reported to the Smart Utility Business Unit Director. Dr. Moshref developed planning and operation strategies and policies for various utilities and industrial organizations. Early in his career, Dr. Moshref co-founded CYME International Inc., where he designed and developed more than 12 computer programs for power system analysis.

Dr. Moshref is the recipient of numerous awards from McGill University in Montréal, Quebec, the IDA World Congress on Desalination and Water Sciences in Abu Dhabi, UAE, and the NSERC Industrial Fellowship, Natural Science and Engineering Research Council of Canada.

Dr. Moshref is Senior Member of the Institute of Electrical and Electronics Engineers (SMIEEE), IEEE PES Distinguished Lecturer, Engineers and Geoscientists British Columbia, Association of Professional Engineers and Geoscientists of Saskatchewan (APEGS), Canadian Mirror Committee to IEC TC114 for Marine Energy, Guide for Evaluating AC Interference on Linear Facilities Co-Located Near Transmission Lines, IEEE Standard P2746™, and a seasonal lecturer at the University of Victoria (UVic).

Seminar Description

The Power System Harmonics and Power Quality course is designed to help attendees understand the causes, effects, and methods of addressing various power quality problems. The course presents study approach, field measurement, and monitoring programs to familiarize attendees with the definitions and concepts used to evaluate power quality. The course introduces methods of modeling and simulating power systems for study purposes, and these methods are demonstrated using case studies of actual power quality problems. The effects of harmonics on various power system components and methods of reducing excessive harmonics will be addressed as well. Power quality and harmonics standards, IEEE recommendations, and NEC and CSA requirements are also emphasized in this course.

The main course objectives are to:

• Understand the basic principles of power quality and its impact on electrical systems and equipment;
• Know how power quality is measured and analyzed;
• Obtain an overall understanding of the applicable standards (IEEE, NEC, CSA, etc.); and
• Apply sound design techniques to new or existing installations.

Who Should Attend?

This course is designed to familiarize power system engineers dealing with planning and operating power systems, as well as managers responsible for power quality monitoring programs.

Prerequisite

Basic knowledge of power system analysis.

Course Methodology

This is a practical course in which participants focus on power quality concepts and complete exercises using typical case scenarios. The course will include formal presentations and discussions, as well as practical examples based on real-life problems.

Seminar Outline

Introduction

• Power Quality and Harmonics in Power Systems
• Standards and Definitions
• Power System Fundamentals

Steady State Voltage Regulation

• System Planning and Operation
• Means of Voltage Control
• Unbalance

Harmonics in Power Systems

• Harmonic Analysis and Effects
• Harmonic Cancelation
• Harmonic Filters
• Case Studies

Motor Applications and Starting

• Motor Characteristics
• Starting Methods
• Mitigations
• Case Studies

Temporary and Transient Conditions

• Short-duration Voltage Variations
• System Grounding
• Rapid Voltage Change and Flicker
• Voltage Transients Analysis Due to Equipment Switching (Capacitors, Transformers, etc.)
• Case Studies