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Course Outline
Description Harmonic disturbances occur frequently on electric power distribution systems and may adversely affect the performance of industrial plants and commercial facilities. The available “quality of power” can be influenced by the characteristics of the load itself. With the increased use of computers and other sensitive electronic circuitry, electric power quality has become an important issue. Both customers and suppliers of electric energy need to understand the causes and means that are now available for minimizing these disturbances. Objective To identify the sources of power quality problems and to describe methods to overcome or minimize the adverse effects on performance and efficiency of Industrial Power Systems. Who Should Attend Professionals responsible for electrical equipment especially those in facilities with power electronics equipment, adjustable speed drives, or critical and sensitive loads, including computers and process control equipment, will benefit by attending this course. Distribution systems technical staff will learn how to solve power quality problems related to harmonics issues. Electric utility distribution and customer service engineers responsible for quality of power will likewise find this course to be of extreme value. This course will also be beneficial to equipment manufacturers, consultants, and senior technical personnel in electrical construction companies. Presentations presume some familiarity with electric power system terminology. Program Outline (1.2 CEUs / 12 PDH) Discerning the basic and critical elements of harmonics Assessing harmonic producing loads and the need to address their influence Identifying the causes of harmonics as well as the impact when implementing additions or changes to a system Analysing the effects of harmonics on critical electrical and electronic equipments: equipment heating, equipment malfunction, equipment failure, communications interference, fuse and breaker misoperation, process problems and conductor heating Reviewing the different measurements to better understand harmonics Discussing voltage and current resonance within the context of harmonics A comprehensive assessment of why your plant/refinery needs to mitigate harmonics at the onset. Examining power line harmonic disturbances This session will offer a detailed discussion of potential threats to the integrity, performance, and life expectancy of the major elements that are common to electrical apparatus in your infrastructure. Harmonic disturbances caused by non-linear loads such as power switching devices often occur in the industrial and commercial power distribution systems and can damage sensitive equipment connected to the systems, causing tremendous productivity loss. Knowing the root cause of harmonics from static power converters Utilising Adaptive-Harmonic-Detection-Algorithm (AHDA) active filter for effective elimination of harmonic disturbances Integrating practical formulation of the algorithm to significantly simplify the original complex formulation for noise cancellations Mitigating harmonics in industrial environments In this session, participants will be introduced to a step-by-step approach to effective harmonic evaluation and mitigation techniques currently available. Defining and quantifying harmonics to differentiate harmonic manifestations to select the appropriate mitigation methods Determining power quality objectives Considering alternative mitigating methods: Increasing effective source impedance, diverting a specific harmonic frequency away from power source, employing a hybrid filter to minimise and divert harmonics, harmonic cancellation using 12- and 18-pulse converters, and harmonic cancellation - active filters Reducing harmonics by incorporating Power Factor Correction Non-linear loads create harmonic currents in addition to the original AC current. Addition of linear components such as capacitors and inductors cannot cancel these harmonic currents, so other methods such as filters or active power factor correction are required to smooth out their current demand over each cycle of alternating current and so reduce the generated harmonic currents. Reviewing the principles of Power Factor and Power Factor Correction(linear and non-linear loads) Comprehending the effects of power factor correcting capacitors on harmonic disruption Eliminating or moderating harmonics and/or resonance oscillations effectively by determining the effects and provide the best solution Update of harmonic standards: IEEE recommended practices and requirements for harmonic control in the electric power systems This session will provide participants on the current standard regulating harmonic emission and implications Applying IEEE 519-1992 within an industrial or commercial environment to minimize the effect of harmonics on the electrical system in a given plant Enhancing the performance of a new passive filter configuration which reduces the harmonic currents being injected back into the power system network to meet IEEE 519-1992 standards at the input terminals of the ASD Monitoring electric power quality of single-phase and polyphase AC power systems, definitions of power quality terminology, impact of poor power quality on utility and customer equipment and the measurement of electromagnetic phenomena within IEEE 1159-1995 Employing power systems calculations to ensure a balanced and reliable system Harmonic currents cause a distortion of the line voltage. In principle the voltage harmonics can be calculated at any point of the network if the harmonic currents and the corresponding source impedance are known. Appraising the different analysis methods which are available to estimate harmonics Studying the working examples of harmonic and transient analysis Case study I Participants will look at various real life case studies available and discuss the myriad of possible scenarios where harmonics can manifest. During this session, participants will be given the chance to provide different solutions to the case studies presented. Participants will be able to discuss harmonics which they have encountered as well as present their solutions. Case Study II Further case studies from around the globe in critical industries which are affected by harmonics will be presented. IEEE standards which have been updated and introduced will be scrutinised by all attending participants. Upon completion of the workshop participant will: Learn how to identify harmonic disturbances that can occur on electric power distribution systems in industrial and large commercial environments. The course explains basic calculation techniques, including power factor correction, and discusses solutions to transient, harmonic, and other disturbance problems. Instructor M. E. El-Hawary is Professor of Electrical and Computer Engineering at Dalhousie University since 1981. He has a Bachelors degree in Electrical Engineering, Distinction from the University of Alexandria, Egypt, 1965, and a Ph. D. from University of Alberta, Edmonton, 1972, where he was a Killam Memorial Fellow. He served on faculty, and was a chair of the Electrical Engineering Department at Memorial University of Newfoundland for eight years. He was Associate Professor of Electrical Engineering at the Federal University of Rio de Janeiro for two years and was Instructor at the University of Alexandria. He pioneered many computational and artificial intelligence solutions to problems in economic/environmental operation of power systems. He has written ten textbooks and monographs, and 120+ refereed Journal articles. He has consulted and taught for over 40 years, is a Fellow of the IEEE, the Engineering Institute of Canada, (EIC), and the Canadian Academy of Engineering (CAE).
Prerequisites & Certificates


Certificates offered

1.2 CEUs / 12 PDHs

Cancellation Policy
If you wish to withdraw from a course, you must advise us, in writing, including the official receipt. Our policies regarding refund are:

More than fifteen business days in advance: a full refund minus $50.00 administration charge.

Fifteen or less business days in advance: a transfer to another course or a credit, valid for one year, to another GIC course can be considered. Credits are transferable within your organization.

If the course has been running for more than 2 weeks, or after the course has started, an 80% credit towards another GIC course may be considered, if notice is received before the start date of the second session. After this time, no refunds or credits will be issued. If a speaker is not available due to unforeseen circumstances, another speaker of equal ability will be substituted.

GIC reserves the right to cancel or change the date or location of its events. GIC's responsibility will, under no circumstances, exceed the amount of the fee collected. GIC is not responsible for the purchase of non-refundable travel arrangements or accommodations or the cancellation/change fees associated with cancelling them. Please call to confirm that the course is running before confirming travel arrangements and accommodations.

Refund Policy: Allow up to 30 days for refunds to be processed.

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