%0 Journal Article
%T Design and Build of an Electrical Machines¡¯ High Speed Measurement System at Low Cost
%A Constantinos C. Kontogiannis
%A Athanasios N. Safacas
%J Advances in Electronics
%D 2014
%R 10.1155/2014/745286
%X The principal objective of this paper is to demonstrate the capability of high speed measurement and acquisition equipment design and build in the laboratory at a very low cost. The presented architecture employees highly integrated market components eliminating thus the complexity of the hardware and software stack. The key element of the proposed system is a Hi-Speed USB to Serial/FIFO development module that is provided with full software and driver support for most popular operating systems. This module takes over every single task needed to get the data from the A/D to the user software gluelessly and transparently, solving this way the most difficult problem in data acquisition systems which is the fast and reliable communication with a host computer. Other ideas tested and included in this document offer Hall Effect measuring solutions using some excellent features and very low cost ICs widely available on the market today. 1. Introduction Today, every researcher, engineer, student, or specialist professional that works with electrical machines needs to study and understand deeper the machine operation transient phenomena and how those affect the machine itself as well as the neighbouring electrical equipment. During the past two decades using data acquisition cards in combination with commercial and academic software for the machine signals sampling conversion and storage has proven to be a very efficient means for the study of the transient and steady state operation of electrical machines. Almost in every university, enterprise R&D department, or other institutions, a laboratory that studies electrical machines is equipped with data acquisition cards and software for storing, converting, and presenting the sampled signals captured during the electrical machine operation [1¨C3]. In order to capture machine signals, a fast electronic sampling card is necessary to interface the selected currents and voltages of the real world to a host computer via its simultaneously sampling analog to digital converters. A fast communication port such as Gigabit Ethernet or Hi-Speed Universal Serial Bus with rates up to 480£¿Mbit/sec is the most convenient highway to transfer real time captured data to the host computer for further processing. Fast data transfer is crucial when concurrent sampling of several electrical signals with higher harmonic content, sometimes up to 20th order, is the case. Modern microprocessors and fast computer peripherals make it now possible to study voltage and current harmonic content for more signals at the same time and in greater
%U http://www.hindawi.com/journals/aelc/2014/745286/