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The Solar Decathlon is a biannual competition sponsored by the U. S. Department of Energy, where twenty university teams are selected to design, build and operate a sustainable, energy-efficient, solar-powered house. This paper describes the design and performance of the electrical systems deployed in the house constructed by the University of Illinois: a 9 kW solar photovoltaic system, custom power...
This paper describes an electric power quality monitor developed at the University of Minho. The hardware of the monitor is constituted by four current sensors based on Rogowski effect, four voltage sensors based on Hall effect, a signal conditioning board and a computer. The software of the monitor consists of several applications, and it is based on LabVIEW. The developed applications allow the...
This paper describes a waveguide-based reflectometer designed for in-situ measurement and monitoring of the return loss between adjacent stages in a frequency multiplier chain. The reflectometer is based on a six-port architecture and a prototype instrument operating at V-band (50-75 GHz) is introduced. An in-situ calibration method based on null double injection is discussed and initial measurements...
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