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Revisions in Chapter 9, IEEE 1100-2006 Presenter: William Bush, Director of Engineering, Signals, Power & Grounding Specialists, Inc. (SPGS). Abstract: This presentation provides critical information on understanding and applying the completely rewritten Chapter 9 (Telecommunications, Information Technology and Distributed Computing) of IEEE Std. 1100-2006, IEEE Recommended Practice for Powering and Grounding Sensitive Electronic Equipment( The Emerald Book). The revised chapter is magnitudes the size of the 1999 version and is destined to be extensively used by the power quality, ITE, and telecommunications industries. The chapter scope includes campus environments; AC and DC powering architectures, AC and DC equipment grounding topologies; surge environment and equipment immunity; surge protective devices; building (and room) grounding/bonding infrastructures; premises outside plant telecommunications facilities and tower structures; and evaluation (auditing) for proper power and grounding practices at the site.
Hamonic Mitigation Techniques Presenter: John Houdek, President of Allied Industrial Marketing, Inc. Abstract: Harmonic distortion within a facility can be solved in different ways. Due to the unique circumstances that prevail at each facility, no individual harmonic mitigation technology can claim superiority over the others. Determining the best solution requires an understanding of the alternatives available, their typical performance characteristics and connection methods as well as their advantages and disadvantages. This presentation explains the common passive and active solutions available and provides examples of the typical performance achieved with each technique. Advantages and disadvantages are discussed along with suggestions for the best use of each technology.
PQ Case Studies
Presenter: Bruce Lonie, President, PowerCET Corp.. Abstract: PQ Case Studies reviews a series of actual consulting activities ranging from simple load studies, to more complex harmonic issues and problem investigations. Each case study starts with a brief review the background (or reason for the activity), methodology, analysis of monitoring data, development of key findings, recommendations and the final report presentation. In addition the selection of monitoring equipment will be discussed with respect to the equipments strengths for a specific activity.
Solving Harmonics and PQ Problems Without Expensive Instruments
Presenter: Alex McEachern, President, Power Systems Lab. Most power quality problems can be solved without fancy instruments. Drawing on 30 years of world-wide experience, McEachern will explain simple rules for finding and fixing grounding problems, voltage sags, and harmonics using common sense, a short check-list, a technical understanding of the problem, and a volt meter.
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Transients and Overvoltages
Presenter: Mark McGranaghan, Vice President, Consulting Services, EPRI Solutions. Abstract: This session will cover transient conditions and overvoltages, which can affect the operation of equipment in your facility. There are many different possible causes of overvoltage conditions from both the supply system and within a facility. This session will describe some of the most important causes, the effects of overvoltages on equipment, and transient overvoltage protection options. Also included will be basic definitions, standards for transients and voltage regulation, sources of transient overvoltages, lightning, fault conditions, capacitor bank switching, dynamic overvoltages caused by resonance, ferroresonance, equipment withstand for overvoltages, transient overvoltage protection, sizing surge suppressors, energy duty issues, grounding considerations, steady state overvoltages, and avoiding resonance problems.
Revisions in IEEE 1100-2006
Presenter: Chris Melhorn, Engineering Manager, EPRI Solutions. Abstract: This session will detail the various changes, additions, and revisions to IEEE 1100-2006, IEEE Recommended Practice for Powering and Grounding Sensitive Electronic Equipment (Except for Chapter 9). Covered will be the following chapters, which have been updated: Chapter 2 (Definitions), Chapter 3 (General Needs Guidelines), Chapter 4 (Fundamentals), Chapter 5 (Instrumentation), Chapter 6 (Site Surveys and Site Power Analyses), Chapter 7 (Equipment and Materials), Chapter 8 (Design and Installation Practices) and Chapter 10 (new addition to describing grounding and wiring methods to minimize the impact of noise on industrial control systems.
Harmonics in Industrial/Commercial Facilities
Presenter: Dave Mueller, Power Quality Studies Consultant, Electrotek Concepts. Abstract: This presentation uses case studies to clearly illustrate the most common harmonics problems in industrial and commercial facilities. Rather than use complicated formulas, the presentation uses practical situations to illustrate how to look out for harmonic problems, and how to determine if there even is a problem. Sources of harmonics (such as variable frequency drives), resonance conditions, neutral currents, and transformer heating are some of the topics discussed.
Voltage Sag Immunity
Presenter: Tom Shaughnessy, Vice President, PowerCET Corp. Abstract: The presentation focuses on the various causes of voltage sags, the means to identify equipment sensitivity, and various approaches to resolve equipment sensitivities. The material first looks at voltage sag causes - both external and internal to a facility - and then explores the underlying reasons for sensitivity of equipment to the effects of the voltage sags. From that basis, the material then explores the differences between facility wide macro approaches and equipment specific micro approaches toward improving the ability of a facility to withstand the effects of momentary voltage sags.
Lightning Risk Analysis
Presenter: Dr. Mike Stringfellow, Chief Scientist, PowerCET Corp.
Abstract: This session will discuss the assessment of risk from lightning to facilities throughout North America. It will examine ways that lightning can damage or interrupt operations, assess the likely frequency of occurrence of such problems, and present mitigation techniques. These techniques focus on problems of power systems and communication and control circuits that are widely used in commercial and industrial facilities. The use of lightning tracking and warning systems to manage risk is proposed. Adoption of procedures for assuring lightning safety of personnel is also discussed.
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