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Design and Construction of a 50 kW PV- based EV Fast-Charging Station as a community engagement project

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Conference

2022 ASEE Annual Conference & Exposition

Location

Minneapolis, MN

Publication Date

August 23, 2022

Start Date

June 26, 2022

End Date

June 29, 2022

Conference Session

Energy Conversion and Conservation Technical Session 2: Enhancing Energy-Related Education with Student Design Projects

Page Count

16

DOI

10.18260/1-2--41708

Permanent URL

https://peer.asee.org/41708

Download Count

862

Paper Authors

author page

Reg Pecen Sam Houston State University

biography

Faruk Yildiz Sam Houston State University

author page

Ulan Dakeev

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Abstract

Abstract According to the Energy Information Administration (EIA), the transportation sector is responsible for almost 23% of greenhouse gas emissions. Therefore, electric vehicles (EVs) may play a critical role in achieving the environmental objectives of the Paris agreement that strengthens the global response to the threat of climate change. National Renewable Energy Labs (NREL) and International Council on Clean Transportation (ICCT) predict that there will be more than 3 million EVs roaming the U.S. highways by 2025 [1-2]. Design and construction of EV charging stations using zero-emission photovoltaic (PV) solar panels are expected to positively impact environmentally friendly efforts on reducing carbon footprints specifically in metropolitan areas. This applied research paper reports efforts of engineering technology faculty and students to design and build a sustainable charging station that is fully sponsored by an energy services company. Department of Engineering Technology's multidisciplinary faculty, technician, and students with the logistic support from Academic Community Engagement (ACE) staff at Sam Houston State University (SHSU) secured a grant from Entergy Energy Company's Environmental Initiative Funding (EIF) to design and build a 50 kW PV-based EV fast DC charging station in the City of Huntsville's welcome center with an opportunity to provide sustainability and engineering showcase with the community. A group of students from electrical, electronics, mechanical, engineering design, and construction engineering technology programs in the Department of Engineering Technology are working in the project as part of their senior design project assignment during 2021-2022 academic year. In addition to ABET defined course objectives, goals and outcomes, senior design projects in the engineering and technology curriculum also serve as unique bridges between the academia and the communities. This paper reports a multi-group senior design project progress to design and construct a 50 kW solar array power system during the semesters of spring and summer 2022. The project will provide one fast DC charging station. The proposed PV array includes 120 panels with a rated power of 420 W, that is manufactured in the U.S. The PV power system will be connected to the grid with a 50-kW grid-tied inverter to provide reliable and resilient electricity. Faculty and students working in the project are responsible to design and install overall system equipment including utility scale concrete-ballasted ground mounts for 120 PV panels, balance of system units, charge controllers, LED light fixtures for night vision, the protection and measurement components, related combiners, and junction boxes. The 50 kW array includes 12 parallel-connected PV strings, each string containing 12 PVs connected in series which will provide an expected total voltage of 480 V DC and a total current of 125A DC to be connected to a three-phase grid-tied inverter. This paper reports a teamwork of multidisciplinary engineering technology students for an ongoing major senior project that includes PV system design and installation including major construction and electrical work. A commercially available 62.5 kW Charge Point Express 250 DC fast charging module will be installed in Summer/Fall 2022, and overall system operation, student outcome assessment, and lessons learned will be reported in the 2023 ASEE annual conference.

Pecen, R., & Yildiz, F., & Dakeev, U. (2022, August), Design and Construction of a 50 kW PV- based EV Fast-Charging Station as a community engagement project Paper presented at 2022 ASEE Annual Conference & Exposition, Minneapolis, MN. 10.18260/1-2--41708

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