Tutorials

 

Accepted Tutorials with Descriptions

 (Preliminary. The final one will be formed based on registration numbers.)

(In collocation with ECCE Tutorials)

 

 

Insulation Coordination and Voltage Transients in Large Industrial Power Systems

Organizer:

Rasheek Rifaat, Rifaat Engineering Inc.

Abstract

Medium Voltage (MV) industrial distribution systems encounter voltage transients from switching, lightning (when connected to overhead lines), and other abnormal operating conditions. Due to relatively lower costs of insulating materials in MV, the design margins of safety for insulation in such systems were relatively high and sometimes associated studies were neglected in the early design stages of the industrial & commercial power systems. Nowadays, transients in MV Systems are more frequently examined due to concerns about safety and cost of interruptions as well as more “lean” insulation designs by suppliers of relevant equipment and materials. Furthermore, such power systems are increasing in their sizes, more cogeneration systems and renewables are located at or adjacent to such facilities. More industrial and commercial systems are also connected to the grid at higher voltage levels. This tutorial provides exploratory discussions on voltage transients in large industrial and commercial power systems, and methods of identifications, calculations, and preparations of related engineering studies. The tutorial introduces case studies for insulation coordination, switching of capacitive and inductive loads, breaker transient recovery voltage (TRV) and lightning analysis studies. In cases where transients are a concern, remedial actions or design modifications are presented and discussed. This tutorial provides relevant examples spread sheet calculations for insulation coordination and time domain analysis program (EMTP) applications for switching transients and TRV analysis. It also includes calculations examples of flash over for distribution overhead lines and possible applications of shield wire or lightning arrestors where justifiable.


Presenter Biography

Rasheek Rifaat, IEEE Life Fellow, Professional Engineer in Calgary, Alberta, Canada. Mr. Rifaat received a B.Sc. from Cairo University in 1972 and M.Eng. from McGill University in Montreal in 1979 in Electrical Engineering. 1975-1981, he worked for Union Carbide Canada Ltd. in Quebec. 1981-1990 he worked for Monenco Consultants (Alberta), and Saskmont (Saskatchewan) on power generating projects. 1991-2016, he worked for Jacobs in Calgary, Alberta, Canada on co-generation projects, and industrial power systems. Mr. Rifaat is currently providing consultations in industrial and utility systems transients and protection. Rasheek is the chair of the Protection WG revising IEEE Standards: Recommended Practice for Protection and Coordination in Industrial & Commercial Systems (Series 3004). He is a Life Fellow Member in the IEEE and a registered professional engineer in Alberta, Saskatchewan and Ontario Canada. He published over 30 papers on protection, operation and transients in industrial systems.

Quick and Simple Cost Estimates in Industrial and Commercial Power System Design

Organizers:

Pankaj (PK) Sen, Colorado School of Mines

One of the early tasks an engineer (or sometimes an estimator/engineer) performs is to determine the budgetary cost estimate of a design, or perhaps alternate designs, once the scope is “somewhat” defined. This is used to make the final determination sometimes for the “go” “no go” decision. It is also common that the final decision is made by non-engineers like the Chief Financial Officer (CFO) or other non-technical personnel. So the estimate must be simple, easily understandable and sound. It must also include the variance in the design process. This is not taught at any academic institutions and must be learned on the job. Usually there are extremes. Either, the studies are too detailed and take a lot of unnecessary time to prepare, or they use guesses without much justification. It is also essential that a conceptual design (and alternate designs) is performed very early in the project. The engineer must also have common sense knowledge of the equipment ratings limitations. This tutorial will address the key factors that usually define the design constraints early in the process including basic ratings of the major equipment, a list of simple charts and tables, relatively simple mathematical relationships of the cost estimates, and various simplified techniques. This will address alternate independent ways to do budgetary cost estimates for confidence in that number. A number of numerical examples will be given and solved during the presentation to illustrate the process. A group project will be assigned at the end as an exercise and will be discussed.


Presenter Biography

Dr. Sen has 50 yrs. of combined teaching, research, and consulting engineering experience. His industrial experience includes power plants and substation engineering, system & feasibility studies, protection and relaying and power systems engineering applications. He has published over 180 technical papers (many prize winning) on a variety of subjects related to Power Systems T&D Engineering, Protection/Relaying, Electric Machines and Renewable Energy, Energy Policy, Power Quality, Arc Flash and Safety. Dr. Sen has supervised and/or mentored over 300 graduate students (including many non-traditional students, and practicing engineers from the Utility Industries, REA’s, Consulting Engineers, Government Agencies and others).

Hybrid Renewable Energy Standalone Systems

Organizer:

Prof. Ambrish Chandra, ETS Université du Québec, Montreal, Canada

Several isolated areas in the world currently use only diesel generators (DGs) to serve their requirements for electrical energy. However, the use of DGs has many drawbacks: 1) high cost of electricity, 2) air and noise pollution, 3) Low fuel efficiency and maintenance cost. To remedy those problems, it is better to generate power from cost-effective, environmentally friendly renewable energy sources (RESs) such as wind, solar, hydro, biomass, etc. RESs are clean and available almost all over the planet, but are intermittent in nature, especially wind and solar power generation. This makes their integration to micro‐grid with DG difficult, especially if the local grid is not connected to the main grid. Hybrid standalone systems consist of many elements such as photovoltaic panels, wind turbines, DG, energy storage systems, AC and DC loads, dump load etc. Most of these elements are connected to the AC or DC bus via power electronic devices. In this presentation, many possible hybrid renewable energy standalone systems will be discussed. Control of some of the systems will be discussed in detail.


Presenter Biography

Ambrish Chandra is a professor of Electrical Engineering at ÉTS, Montréal since 1994. He received the B.E. degree from the University of Roorkee (presently IITR), India, M. Tech. from IIT Delhi, and Ph.D. from University of Calgary, in 1977, 1980, and 1987, respectively. From 2012‐15, he was the director of multidisciplinary graduate program on Renewable Energy and Energy Efficiency at ÉTS. The primary focus of his work is related to the advancement of new theory and control algorithms for power electronic converters for power quality improvement in distribution systems and integration of renewable energy sources. He is coauthor of John Wiley book Power Quality – Problems and Mitigation Techniques. He is Fellow of many organizations, including IEEE, CAE, IET, EIC etc. and registered as a Professional Engineer in Quebec. He is a Distinguished Lecturer of the IEEE PES and IAS. He is recipient of IEEE Canada P. Ziogas Electric Power Award 2018.

High-Resistance Grounding (HRG) of Industrial and Commercial Power System

Organizers:

Dev Paul, AECOM, INC.

One of the most confusing and challenging issues of using HRG design is the flow of system charging current (SCC) directions during a phase-ground fault condition. This tutorial will provide technical details of SCC and capacitive component of the ground-fault current (CCGFC) during phase-to-ground fault condition. The three-line presentation of a MV power system requiring HRG design will illustrate both SCC and CCGFC and their phasor diagrams showing that these two currents are at 180° phase-angle. How SCC reverses direction without reversing the voltage that causes its flow to ground will be clarified. Examples of inconsistent published literature in the industry that can confuse the application engineer due to misunderstanding of SCC and CCGFC concepts listed above will be given. This tutorial is intended to help both the experienced engineer in HRG application as well as young engineers starting their career in power systems design. The tutorial will cover the following: 1. History of HRG grounding-method, 2. HRG analysis using theory of symmetrical components 3. Clarification of HRG limitations “voltage not to exceed 4.16 kV and phase-ground fault current not to exceed 10A (system charging current 7.2A)” included in the IEEE/IAS Std. 142-2007. 4. Application to LV and MV power-systems. 5. Impact of arc-fault resistance on protection and damage. 6. Discussion of voltage-polarized-directional current-relays for HRG application. 7. Why use HRG and not use solidly grounded or low-resistance grounding? 8. HRG for the mining power systems and MSHA requirements 9. Technical papers on HRG grounding, 10. Reference Textbooks on HRG Grounding.


Presenter Biography

Dev Paul has more than 46 years of design, construction, and startup experience on various projects. This includes power plants, substations, transmission and distribution, cement plants, steel mills, alumina and aluminum smelters, water and wastewater, naval shipyards, airports, ports and port facilities, Department of Defense (DOD) and Department of Energy (DOE) facilities, and commercial and electrified rapid transit projects. Dev is the author of 48 technical papers published in American Public Transportation Association (APTA) and IEEE conferences. In 2002, he received the Ralph H. Lee Award from IEEE for his paper on DC Power Systems Grounding. He is the author of several technical papers on the subject of HRG design.

Comprehensive Modelling and Control of Li-Ion Batteries and their Real-Life Applications

Organizer:

Prof. Mahinda Vilathgamuwa, Queensland University of Technology

In this tutorial, we will discuss how Li-ion battery electrochemical models incorporating battery degradation phenomena can be used in the management of modern distribution systems. Systematic approaches to predict the degradation of grid-connected Li-ion batteries based on high-performance, physics-based mathematical models will be presented. Such first-principle models clearly explain the major degradation mechanisms of Li-ion batteries from the perspective of electrochemistry and thermodynamics. The state-of-the-art design of advanced battery management systems (ABMSs) aiming to achieve overall technical and economic benefits for the renewable-storage systems will be discussed. The final part of the tutorial will include a number of practical applications (domestic and utility scale) of Li-ion battery energy storage systems that have been employed in Australia.


Presenter #1 Biography - Mahinda Vilathgamuwa, Queensland University of Technology

Mahinda is a Professor of Power Engineering at Queensland University of Technology (QUT), Brisbane, Australia. Mahinda completed his PhD at the University of Cambridge, UK before joining the faculty of Nanyang Technological University, Singapore in 1993. In 2014 he joined QUT as a professor of power engineering. He has been an IEEE volunteer since 1994 and presently the chairman of IEEE IAS/PELS/IES joint chapter in Queensland. He has been pursuing a number of academic and industry projects in Li-ion battery modelling and wireless power transfer during the last decade. He has published more than 280 research papers.

Presenter #2 Biography - Yang Li, Wuhan University of Technology 

Yang is an Associate Professor at Wuhan University of Technology (WUT), Wuhan, China. He received the B.E. degree in electrical engineering from Wuhan University, Wuhan, China, in 2007 and the Ph.D. degree in power engineering from Nanyang Technological University, Singapore, in 2015. He was with the Energy Research Institute at Nanyang Technology University, Singapore, and Queensland University of Technology, Brisbane, Australia from 2015 to 2018. He joined WUT as an Associate Professor in 2019. His research interests include lithium-ion battery modeling and control, renewable generation, and application of battery energy storage systems in power systems.

Presenter #3 Biography - Nishad Mendis, DNV GL’s Energy Advisory Group

Nishad is a Senior Electrical Engineer working in DNV GL’s Energy Advisory group in Melbourne, Australia. Before joining DNV GL, Nishad worked for Eltek as a Solutions Engineer working on the design of implementation of energy storage based applications, Alstom Grid as a Design and Commissioning Engineer for HV substations and Noratel as a Design Engineer. Nishad has over ten years of professional experience including a Ph.D. from the University of Wollongong, Australia and a bachelor of Electrical Engineering with honors from the University of Moratuwa, Sri Lanka. Nishad also currently holds IEEE Senior membership and serves as an IEEE IAS Board Member. In addition, he is currently serving as an Associate Editor for IEEE Access Journal. At present, he is serving as an Honorary Fellow of School of Electrical Engineering for Deakin University, Australia.

 

Attention:

(1) Participation Fee is $125/tutorial and people can register to more than one tutorial.

(2) Conference administration reserves the right to cancel any of the tutorials if a minimum registration target is not achieved by early September, 2019. In case of cancellation, the registration fee will be refunded automatically.
(3) Registered persons, to any tutorial, will receive ALL operating tutorial materials.
(4) For participating in any of the IAS-AM tutorials, IEEE offers PDH credits for continuing education units, for renewal of professional engineering licensees.