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Energy management for mechanical and electrical/power electronics systems: Secondment Report

Author(s):

G. Torrisi, J. Ottewil
Conference/Journal:

vol. AUT14-07
Abstract:

Centrifugal compressors are widely used in industry for a broad range of processes, such as chemical plants, e.g. as part of a refrigeration unit cooling gas flows, and for transportation of gas in pipelines. The characteristics of the compressors are generally represented by compressor maps, where the delivered pressure is graphed as a function of the mass flow rate through the machine and the operating speed. When the compressor operates at low mass flow rates and high pressures, it becomes unstable and surge can occur, potentially causing permanent damage to the compressor. On the other hand, the compressor reaches its highest efficiency when it operates close to the surge region. The zone is open-loop unstable, hence an active surge control is required. In this secondment, the ESR-O (Giampaolo Torrisi) has become familiar with the control of state-of-the-art compressors, in particular with an experimental set-up based in ABB Corporate Research Center, Kraków. The expertise and data collected during this time allowed further work in the topic together with the Secondment supervisors.

Year:

2014
Type of Publication:

(04)Technical Report
Supervisor:



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% Autogenerated BibTeX entry
@TechReport { TorOtt:2014:IFA_5514,
    author={G. Torrisi and J. Ottewil},
    title={{Energy management for mechanical and electrical/power
	  electronics systems: Secondment Report}},
    institution={},
    year={2014},
    number={},
    address={},
    month=jul,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=5514}
}
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