acquisition, monitoring, and advances on grid-tie technologies, togetherwith knowledge on liberal arts courses will foster more satisfactory and efficient citizens whocan help advance the wind power development1-7.The main objective of this project was to design and build a 10 kW wind power station andassociated wireless sensors and a graphical based monitoring instrumentation system to provide ateaching and research facility on renewable energy areas for students and faculty members inElectrical and Manufacturing Engineering Technology programs at the University of Northern Page 25.390.2Iowa. This project required to purchase a 10 kW Bergey Excel-S
the project, the instructor began searching for prospective students. It was envisionedthat the project would offer a learning platform to students allowing them to generate novelmethods of applying energy conversion, while providing a practical result to the client.The laboratory background of this project was a 1/3 scale 1960’s style Ford Model T built byMcCullough Co, changed to Toro Co, then to Sharp Mini Cars. The charge given by the clientwas to convert the vehicle’s prime mover from gasoline to electrical using the design criteriaoutlined below:Hard Project Requirements • Retain original controls for Front, Neutral, and Reverse [F-N-R] using a lever on the left- hand side [LH] and the throttle which was a lever on right side of
V solid-state against a conventional low-frequency distribution transformer," 2014 IEEE Energy Convers Congress and Expo (ECCE), Pittsburgh, PA, 2014, pp. 4545-4552. doi: 10.1109/ECCE.2014.6954023.[3] C. Nan and R. Ayyanar, "Dual active bridge converter with PWM control for solid state transformer application," 2013 IEEEEnergy Conversion Congress and Exposition, Denver, CO, 2013, pp.4747-4753.doi: 10.1109/ECCE.2013.6647338.[4] L. Wang, D. Zhang, Y. Wang, B. Wu, and H. S. Athab, "Power and Voltage Balance Control of a Novel Three-Phase Solid-State Transformer Using Multilevel Cascaded H-Bridge Inverters for Microgrid Applications," in IEEE Transactions on PowerElectronics, vol. 31, no. 4, pp. 3289-3301, April 2016. doi: 10.1109/TPEL
Commutator B B r r u text u s s h h Conductor S Page 22.732.3 DC Supply Fig. 2: PMDC motor vL (t
residential load. Page 24.1045.15Bibliography 1. http://en.wikipedia.org/wiki/Renewable_energy 2. http://www.eia.gov 3. http://www.nrdc.org/energy/renewables/wind.asp 4. http://www.bnl.gov/GARS/SET/LISF.php 5. http://www.californiasolarstatistics.ca.gov/ 6. http://en.wikipedia.org/wiki/Solar_power_in_California 7. Smith, C; Sen, P; Kroposki, B; “Advancement of Energy Storage Devices and Applications in Electrical Power System.” Power and Energy Society General Meeting – Conversion and Delivery of Electrical Energy in the 21st century, 2008 IEEE. Publication Year: 2008, Page(s): 1-8. 8. Faruk,A
opportunities for undergraduate laboratory instructionAbstract:This paper outlines a two-semester senior engineering design project that was carried out tostudy a moderately well-defined chemical reaction involving sodium borohydride in aqueousconditions to generate hydrogen for fuel cell applications. Sodium borohydride hydrolysis hasbeen studied extensively since the early 1940’s as a promising hydrogen storage material, whichprovides a content-rich study area for engineering design coursework and undergraduatelaboratory experiences related to energy, hydrogen, and energy storage potential. Throughout thetwo-semester project design course, a two-student engineering team carried out literature reviewsand bench work that lead them to investigate
ambient energysource to storage device is needed to avoid voltage drops in the wires. For the purpose of placingstorage devices closer to every energy source, a detailed routing investigation will be conducted.References[1] Hinrics A. R., Kleinbach M. (2002). Energy: Its Use and the Environment. 3rd Edition,Orlando, Florida: Harcourt, Inc.[2] Yildiz, F., Zhu, J., & Pecen, R., Guo, L. (2007). Energy Scavenging for Wireless Sensor Page 14.1050.12Nodes with a Focus on Rotation to Electricity Conversion, American Society of EngineeringEducation, AC 2007-2254:[3] Rabaey, J. M., Ammer, M. J., Da Silva Jr, J. L., Patel, D., & Roundy, S. (2000
implementation of bothconventional and regenerative brake systems on both cars and bikes. Before the initial design(Figure 1) of the RE-Brake system was considered, calculations were made based on bikingstatistics and other energy data to determine how much energy could be gained from such a device.These calculations were done using a few pieces of information, primarily the energy lost when a73-kg person is riding a 10-kg bike at 4.4 m/s. The calculation was done using, 1 𝐸 = 𝑚𝑣 2 2where the mass would be the total of mass of the rider and the bike. The energy of this system wasfound to be about 803 joules, if
, Washington, June 14-17, 2015.3. P. L. Hirsch, J.A.W. Linsenmeier, H. Davidsmith, J. M.T. WALKER, “Enhancing Core Competency Learning in an Integrated Summer Research Experience for Bioengineers,” Journal of Engineering Education, pp. 391-401, October 2005.4. R. L. Morley, J. J. Havick and G.S. May. “An evaluation of the Georgia Tech summer undergraduate program of research in electrical engineering for minorities,” Journal of Engineering Education. 87(3): pp. 321– 325, 1998.5. A. J. Soares, D. Kobelo, and C. Li, “Senior Design Projects Using Basic-Stamp Microcontrollers,” ASEE Annual Conference and Exhibition, Seattle, Washington, June 14-17 2015.6. A. S. Khan, W. Herner, C. Olejiczak, A. Rybarski, and K. Ahmed, “Sensor-based
generation, transmission and deliveryare the focus of this paper.Electric energy has been used since the1890’s when the world entered the Age of Electricity.Since then the world has moved through a series of these ages: 1890’s – The “Age of Electricity” begins with the lighting of the Chicago World’s Fair in 1893, and completion of the first long distance transmission line moving hydro-electric power from the mighty Niagara Falls to Buffalo in November of 1896. 1930’s – The “Industrial Age” begins with electricity, power tools, and automation in factories, at the end of the Depression. Industrial productivity, measured in terms of output per unit of labor, makes major gains during this period. This results
theAPVAWT capstone team has passed will be introduced to show how the engineering students ofthe team design and build the APVAWT system with the Liberty art students. 2.1 Decision Gate 1 – Stakeholder RequirementsThe 1st decision gate is to identify and confirm stakeholder requirements that guide the capstoneteam in understanding what is needed to be accomplished for the project and the class. Here,stakeholders represent all entities who are involved in this project: the capstone team, theclient(s), and the class instructor. Table 1 shows stakeholder requirements the team presentedand is required to fulfill. Table 1 – Stakeholder Requirements for Design and Construction of the APVAWT Task ID Name Description
which corresponded to speed-limit changesbetween roads along the driven route. These sections are highlighted in Figure 2 by sudden dropsand spikes of the car velocity where a stoplight, stop sign, or turn was encountered. The recordedreadings were grouped 1-8, 9-18, 19-25, 26-34, 35-45, 46-66, 67-85, 86-103, 104-124, 125-130,131-133, 134-149, 150-158, 159-165, 166-173, and 174-183 to make up the sixteen sections. Figure 3: Car velocity (m/s) versus anemometer reading (m/s) In Figure 4, the average car velocities of the readings in each section, shown as bluemarkers, were calculated and plotted versus the average air velocity recorded in the anemometerof each section, shown as red markers. The plotted values are in
Figure 4.The controller must interface with the DC motors through an H-Bridge structure. A complexprogrammable logic device (CPLD) feeds the H-Bridge with two signals, S for activating themotor and D for the direction of the rotor movement. The duration of the signal S is calculatedbased on the amount of rotation required for every angular step and on the gear ratio selected forthe gear motor, and the panel-to-motor transfer gear ratio.Initially, once the location is selected, the azimuth angle range is determined with a tilt angle θcalculator, and the angular step value is subsequently set. The total number of tilt steps is 12 (6 ineach direction) for covering the whole calendar year. During the course of the year, the arraywill be tilted
decrease and hencerotor current and rotor frequency will decrease. Less rotor-current results in a lesser rotorelectromagnetic field. It is therefore impossible, for the rotor to rotate at the speed of the rotatingstator field. Slip is defined as the difference between the rotor speed and stator field speed, andis called synchronous speed. S = (NS - NR ) / NS (11) f r = S*f s = S*f (12) T = K*φ* IR* Cos (θR) (13) P.F.= Cos (θR) = tan-1 ( (f* S*Lr)/Rr) (14)Figure 8 displays the torque-speed characteristic curve of a typical Squirrel Cage Induction
Termination Board MSTB 010 06 C1Z Micro-controller GND Error amplifier Control Signal Feedback Network PS2520G + VIN Programmable Power R S l C2 RL1 C1 L1
Heat Exchanger In-Class ActivityDirectionsIn groups of two solve the following heat exchanger design problem using EES.DeliverablePer group, fill out one solution sheet (attached). The answer sheet is set up such that you can fillit out as you go, and gives you a hint to the order of equations you can solve as you determine asolution, i.e. you can solve as you go along, not just at the end.ProblemA counter flow heat exchanger is used to heat 1.25 kg/s of water form 35 to 80◦ C by coolingan oil (specific heat of 2.0 kJ/kg◦ C) from 150 to 85◦ C. The overall heat transfer coefficient is850 W/m2◦ C. A similar arrangement is to be built at another plant location, but it is desired tocompare the performance of the single counterflow heat exchanger
groups,studied and analyzed options available to them, developed sustainability projects to be proposed,presented their ideas in front of their colleagues (in ENG 573) for critical feedback, consulted withpersonnel at university’s facilities and services (F and S) and other departments, prepared the proposals,and then submitted them before the deadline. This paper is also a part of the exercise, written primarilyby the students in class. It was a valuable experience. Based on lessons learned, this class will be offeredagain in this format in coming semesters.INTRODUCTIONUniversity of Illinois has an Institute for Sustainability, Energy, and Environment (iSEE, [2]). College ofEngineering at the University of Illinois has been offering a graduate
that shading can not only inhibit the performance of the array, butcan cause power to be absorbed into shaded panels from non-shaded panels. The phenomenontermed hot-spot can occur when an imperfection in materials, flaws in fabrication, partial shadingor some form of damage to the panel(s) has occurred (Pandian, 2016).An important factor in the absorption of irradiance by PV panels is the state in which the solarfaced glass surface is maintained. Regular cleaning intervals are recommended and are usuallydetermined by both physical and geographic location of the array. Partial shading of PV panelsby foliage may exacerbate poorer performance due to organic material adhering to the glass suchas leaf debris, sap, or pollen. Airborne contaminants
lease agreement required that thetractor be returned in the same condition in which it wasreceived, it made a fine test bed for the ensuing project. F i g 1 : T r a c t o r U s e dThe second major resource made available was the easy availability of hydrogen gas resultingfrom the presence of the electrolyzer itself. The unit was a Hydrogenics model HySTAT-30refueling station6 which consists of a generation and compression module, storage ability and adispenser module. This system is capable of producing about 30 kg of hydrogen per day and isable to dispense the gas at controllable pressures up to 5000 psi. The water supplied to this unitwas
activities were internalized, benefitted their development, and could possibly be improved to maximize impact on subsequent cohorts.A. Academic outcomes from the project C.1 The objectives of this project were consistent with my research interests C.2 This experiential learning project had an impact on my hands-on/laboratory skills and data collecting skills Which one(s) in particular? C.3 This project had an impact on my presentation skills Which ones(s) in particular? C.4 This project developed my technical skills C.5 This activity enhanced my content knowledge? C.6 I was able to integrate knowledge from many different sources and disciplines (example, chemistry, biology, engineering, technology, computer science, environmental sciences, etc)B
Jobs in Energy Career Guide," 2011.7. Oregon and SW Washington Energy Consortium, "Gaps in the Oregon & SW Washington Energy Workforce Pipeline," 2011.8. S. Brahma, J. De La Ree, Vice-Chairman, J. Gers, A. A. Girgis, S. Horowitz, R. Hunt, M. Kezunovic, V. Madani, P. McLaren, A. G. Phadke, M. S. Sachdev, T. S. Sidhu, J. S. Thorp, S. S. Venkata,Chairman, T. Wiedman, “The Education and Training of Future Protection Engineers: Challenges, Opportunities, and Solutions,” IEEE Transactions on Power Delivery, pp. 538-544, Vol. 24(2), 20099. L.D. Feisel, "Learning objectives for engineering education laboratories," 32nd Annual Frontiers in Education Conference, Vol. 2, 200210. L.D. Feisel, A.J. Rosa. "The Role of the
laboratory-based solar and wind energy technology course. Anothercourse is an online general renewable energy course offered every summer session coveringmain renewable energy systems such as solar and wind energy, electric vehicles, hydrogen fuelcell systems, biomass, solar thermal energy, green building technology, etc.References[1] U.S. Department of Energy, Solar Instructor Training Network, South-Central Region.http://www.sitn-sc.org/about-us[2] IREC, Interstate Renewable Energy Council.http://www.irecusa.org/workforce-education/solar-instructor-training-network/[3] U.S. Department of Energy, SunShot Initiative.http://www1.eere.energy.gov/solar/sunshot/instructor_training_network.html[4] Pantchenko, O. S., Tate, D. S., OLeary, D., Isaacson, M
next variable from Equation 1 an equation is developed for the initial cost of thewall as shown in Equation 3.ICw=H x Ww x th x N s x Cwu (3)where,Ww is the width of the wood [m]Cwu is the cost of the wall per unit volume [$/m3]Up to this point anyone with a high school education can develop the equations. The next termin Equation 1 will require knowledge of heat transfer. The rate of heat loss under designconditions is needed to determine the size of the furnace. The initial cost of the furnace can thenbe calculated from Equation 4. IC f = Q& design × Cfu (4)where,Q& design is the rate of heat loss at design conditions [kW]Cfu is the
Low Temperature of Air at the 23.3[C] Evaporator and Condenser inlet Temperature of Air at Evaporator 14.9 [C] Temperature of Air at 37.0 [C] Outlet Condenser Outlet Relative Humidity of Air at 25 [%] Atmospheric pressure 102.6 Evaporator Inlet [kPa] Air Velocity at evaporator inlet 2.65[m/s] Air velocity at condenser inlet 3.3[m/s] Pressure of refrigerant at evaporator 303[kPa] Pressure of refrigerant at 1067 exit condenser inlet
Paper ID #29290Hybrid Green Vessel DesignJoseph C Rodriguez, United States Coast Guard AcademyScott C. Pierce, U.S. Coast Guard AcademyBrennen McCullochMr. George McBurney, United States Coast Guard Academy Mechanical engineer at the United States Coast Guard AcademyDr. Tooran Emami, U.S. Coast Guard Academy Tooran Emami is an associate professor of Electrical Engineering at the U. S. Coast Guard Academy. She received M.S. and Ph.D. degrees in Electrical Engineering from Wichita State University in 2006 and 2009, respectively. Dr. Emami was an adjunct faculty member of the Department of Electrical Engineering and Computer
, generator G2 is at its hard limit for Page 11.94.5providing reactive power and the bus voltage has dropped from the desired 1.0 to 0.97 pu.Table 3. System Parameters and Modeling Information Generator Information Transmission Line Ratings G1: 100 MVA, 13.8 kV, X” = 0.12 pu, z1 = (0.08 + j 0.5) Ù/km; X2 = 0.14 pu, X0 = 0.05 pu z0 = (0.2 + j 1.5) Ù/km; G2: 200 MVA, 15.0 kV, X” = 0.12 pu, y1 = 3.3(10)-6 S/km X2 = 0.14 pu, X0 = 0.05 pu Maximum MVA = 400 for all lines Generator neutrals are solidly grounded L1 = 15 km
Energy Sources: Watt Committee: report number 22 (No. 22). CRC Press. Page 26.1484.6Rosillo-Calle, F. (2012). The biomass assessment handbook. Earthscan.Huber, G. W., Iborra, S., & Corma, A. (2006). Synthesis of transportation fuels from biomass: chemistry, catalysts,and engineering. Chemical reviews,106(9), 4044-4098.Howes, R., & Fainberg, A. (1991). Energy sourcebook: a guide to technology, resources, and policy.Rothman, M. P. (2000). Measuring and apportioning rents from hydroelectric power developments (Vol. 419).World Bank Publications.Outlook, A. E. (2010). Energy Information Administration. Department of Energy.Watson, J
. • Successfully demonstrated how strategic financing of the project can ultimately provide the village with household lighting and charging capabilities and an electrified water pumping system that will cost less than current household lighting practices.The project succeeded in its goal of developing an electric grid that is truly affordable for adeveloping community. This case study can be adapted as a template for grid designs fordeveloping areas, and can be expanded in future works to explore additional topics such as loadgrowth, Single Wire Earth Return, urban communities, and more advanced financial analysis. V. REFERENCES[1] S. Chowdhury and H. Patel, "Review of Technical and Economic Challenges for Implementing Rural
ateam. The MRP roles include the team and students, engineering expert(s), the client(s) andbusiness expert(s). There are strong evidences form the literature that including the soft skillssuch as management, entrepreneurship and leadership can boost the retention and enrollment inengineering programs. Entrepreneurship education has been found to boost GPA and retentionrates of the engineering students, provides the students with the skills and attitudes needed toinnovatively contribute to the existing organizations and pursue their own ventures, and has thepotential to address current and anticipated workforce demands. We strongly believe that byintegrating entrepreneurship into engineering courses, specifically in the ones that are
AC 2007-2855: PSCAD SIMULATION IN A POWER ELECTRONICSAPPLICATION COURSELiping Guo, University of Northern Iowa Liping Guo received the B. E. degree in Automatic Control from Beijing Institute of Technology, Beijing, China in 1997, the M. S. and Ph. D. degrees in Electrical & Computer Engineering from Auburn University, AL, USA in 2001 and 2006 respectively. She is currently an Assistant Professor in the Electrical & Information Engineering Technology Program at the Department of Industrial Technology at the University of Northern Iowa. Her research and teaching interests are mainly in the area of power electronics, embedded systems and automatic control.Recayi "Reg" Pecen, University