EFFECTS OF THE ELECTROMAGNETICAL DISTURBANCES IN THE DAQ-BASED MEASUREMENT INSTRUMENTS AND THEIR COMPENSATION |
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| S. Nuccio, C. Spataro, G. Tinè |
- Abstract:
- In previous works, we analysed the behaviour of data acquisition board based measurement instruments when they are subjected to the electromagnetic disturbances prescribed in the IEC-61326 Standard. The study has shown that the effects of both radiated and conducted emissions alter the performances of this instrumentation when not-shielded configurations are used; in fact, in these cases, the parameters which characterise a data acquisition board can reveal an appreciable degradation. On the contrary, even the heaviest disturbances cause a negligible impact if the good practices of shielding are observed. Since the full-shielded configurations are quite expensive, it would be useful to find a way to safely employ also a not-shielded configuration in the hostile electromagnetic environments. With this aim, in the paper, we propose two methods for the compensation of the electromagnetic disturbances impact. The first one is a software approach, applicable in cases of steady disturbances. The second approach is based on a two channels acquisition technique applicable with boards which can simultaneously acquire two signals. The practical application of both methods has produced satisfactory results.
- Download:
- IMEKO-TC4-2008-206.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC4
- Event name:
- Exploring New Frontiers of Instrumentation and Methods for Electrical and Electronic Measurements
- Title:
- XVIth IMEKO TC4 International Symposium on Electrical Measurements and Instrumentation (together with 13th IMEKO TC4 Workshop on ADC Modelling and Testing)
- Place:
- Florence, ITALY
- Time:
- 22 September 2008 - 24 September 2008