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Compact fluorescent lamp adapter measurement with integrated system of virtual instrumentation

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1 Author(s)
Lou, S. ; OSRAM Sylvania Inc., Danvers, MA, USA

A method of integrating compact fluorescent lamp (CFL) adapter measurements using virtual instrument software is presented. The program, CFL TEST VI, for CFL adapter testing is written in the graphical programming language LabVIEW. Important parameters such as input current, input wattage, lamp voltage, lamp current, and lamp wattage are acquired through an IEEE-488 interface. Data are analyzed and presented on a computer display as virtual meters and chart recorders. Lamp stabilization is determined by statistical analysis of the incoming data. The input and lamp current waveforms are transferred from the digital oscilloscope to the computer. The CFL TEST VI calculates the THD (total harmonic distortion) of the input line current, the RMS lamp current, the lamp current crest factor, etc. The VI then plots the input current waveform, lamp current waveform, and computed FFT (fast Fourier transform) waveform of the input current

Published in:

Industry Applications Society Annual Meeting, 1993., Conference Record of the 1993 IEEE

Date of Conference:

2-8 Oct 1993