6.1. ERMUSR 11-16-2010 - Laserfiche WebLink

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SUBSTATION Fundamental Principles of Transformer Thermal Loading and Protection Joe Perez, ERLPhase Power Technologies The IEEE Guide C57.91-1995 allows users to calculate dynamics ratings for power transformers, which are used in plan- ning/operations cases to alleviate load constraints and to set new microprocessor thermal relays. Surge Arrester Use to Improve Grid Reliability Steve Brewer, Hubbell Power Systems, Inc. We will firsttackle the replacement of existing Silicon Carbide arresters on the system. Second, we will cover the use of line arresters to eliminate lightning caused breaker operations. GIS --Benefits and Considerations Over Traditional AIS Solutions Rick Graf, Siemens Energy, Inc. A brief overview of GIS technology and how it might be beneficial for consideration in today's substation design. Examples will be shown that describe the characteristics of GIS versus AIS technology. When should one considerthe use of GIS for their new or upgraded substation? Reactor Switching and Reactor Switching Devices Thomas Speas, Southern States, LLC Switching reactive loads produces voltage transients, chops currents, and stresses equipment. The switching device used for shunt reactors can significantly impact on these factors. This paper presents an overview of reactor switching options showing the benefits of using the differenttypes of switching devices available on the market today. UTILITY INDUSTRY FUTURES SmartGridCityT"" -Lessons Learned in the Field Randy Huston,Xcel Energy SmartGridCityT""provides an opportunity to better understand how smart technologies will impactthe electric utility industry, our states, our nation, and most importantly, our customers. While still a work in progress, important lessons are becoming evident and this presentation discusses some of those related to operations through the use of actual examples. BESS Impact on Integration of PV and Wind Onto the AC Grid Pai Hayes, ABB, Inc This paper will discuss the electrical, thermal, and environmental effects of PV and Wind on an AC grid system. It will address the areas where the renewable solutions are heavily saturated and how the grid code's low voltage ride through criteria are used or not used. It also will discuss the sizing of BESS systems, batteries, inverters, and transformers to minimize the power fluctuations and improve the grid performance. Congestion Severity Index at American Transmission Co. (ATC) Thomas Dagenais, AMEC Earth & Environmental, Inc. ATC uses a Congestion Severity Index, combinesthe financial impact of constraints with the frequency of constraints, for use as a screening indicatorto determine areas of the system where potential upgrades may be cost-effective. Offshore Wind Development in the Great Lakes Michael Murphy, HDR Engineering, Inc. Mr. Murphy will present an overview of the status of offshore wind development on the Great Lakes. The challenges and issues that are associated with offshore wind development for siting, permitting, and construction of such projects will be discussed.