CSE Pure Power - Fall 2008 - (Page 40)

❯❯ PURE POWER // FALL 2008 40 case study During installation, Eaton engineers needed to ﬁnd a way to control the operation of this load so its demand would not adversely affect the university’s typical onpeak demand. Eaton installed its PowerNet system tin order to place constraints on the operation and loading of the VFD during on-peak times. The electrical engineers also used this system to ensure that the university’s electrical system operators would have to be contacted to enable the VFD to go above a prescribed testing speed (to restrict load). Installation and testing has been ongoing since late 2007. The ﬁnal pieces of the wind tunnel currently are being installed and are expected to achieve full operation in fall 2008. As the University of Notre Dame and Eaton continued to work together on a daily basis, the university’s chief electrical engineer, Tim Golichowski, and Eaton’s sales team leader, Bryan McClure, discovered a failed application of an adjustable frequency drive at the school’s DeBartolo Classroom Building. After studying the proper application for this equipment and considering the most energy-efﬁcient option, Eaton provided its SVX adjustable frequency drive, and the application was up and running. The two organizations, in cooperation with BSA Life Structures, Indianapolis, have collaborated more broadly on LEED initiatives for the university’s new StinsonRemick Multidisciplinary Engineering Building. The university’s architect, Doug Marsh, and the director of utilities, Paul Kempf, brought the three groups together to focus on opportunities for the DeBartolo Classroom Building. The university was seeking opportunities for enhanced lighting control, metering, and veriﬁcation, along with HVAC equipment www.purepowermagazine.com Table 1: Working toward LEED credits LEED CREDIT SSCredit 8 DESCRIPTION Light pollution reduction EATON APPLICATION Control interior lighting for contribution to reduce light spilling out of windows Use of lighting controls, VFDs, and metering as commissioning tool Use of lighting controls and VFDs for energy efﬁciency Use of lighting controls and VFDs for energy efﬁciency EAPrereq1 Fundamental commissioning of the building energy systems Minimum energy performance EAPrereq 2 EACredit 1 Optimize energy performance 10.5% in new buildings, or 3.5% in existing building renovations Enhanced commissioning EACredit 3 Use of lighting controls, VFDs, and metering as commissioning tool for commissioning electrical, lighting, and HVAC systems Metering energy usage Use of VFDs to manage fan speed and ventilation rate Lighting control applications EACredit 5 EQCredit 2 Measurement & veriﬁcation Increased ventilation EQCredit 6.1 Lighting, systems control operations. New applications for the facility include Eaton’s SVX drives for various air handling and heavy mechanical operation applications, Pow-R-Command for lighting applications, Power Xpert metering, and IQ220 and IQ Energy Submeter II panel mounted meters. Eaton has assisted the university in developing the system architectures and control strategies that will allow these products to more efﬁciently control the facility and provide educational opportunities for the faculty, students, and visitors to the facility. The combined application of these Eaton solutions may contribute to eight LEED credit categories and two prerequisites (see Table 1). In addition to contributing to LEED certiﬁcation, the Power Xpert metering and software equipment also help educate Notre Dame students. Energy information provided via the Power Xpert meter will be displayed in the lobby of the Stinson-Remick Engineering building and in the facility’s Learning Center, where students and faculty can study and experiment with their energy usage in real time, and survey historical data. Students will take an active role in promoting the energy efﬁciency of the building. Eaton also agreed to develop unique educational content for a Power Quality Lab in the engineering building. The goal is to provide hands-on training with state-of-the-art equipment. BIO: Whitaker is president, power components and systems operations, at Eaton Corp., Cleveland, which he joined in 1994. He is on the board of the Carnegie Science Center, Pittsburgh, serving as the chairman of the Carnegie Science Center Awards for Excellence. http://www.purepowermagazine.com

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CSE Pure Power - Fall 2008

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