Parasitic capacitances in the installation of IT grounding systems for operation rooms, ICUs and hemodynamics centers

  • L. E. S. Spalding
  • W. P. Carpes Junior
  • N. J. Batistela
  • C. R. Groth
Conference paper

DOI: 10.1007/978-3-642-03885-3_26

Part of the IFMBE Proceedings book series (IFMBE, volume 25/7)
Cite this paper as:
Spalding L.E.S., Carpes Junior W.P., Batistela N.J., Groth C.R. (2009) Parasitic capacitances in the installation of IT grounding systems for operation rooms, ICUs and hemodynamics centers. In: Dössel O., Schlegel W.C. (eds) World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany. IFMBE Proceedings, vol 25/7. Springer, Berlin, Heidelberg

Abstract

This paper is about the measurement of parasitic capacitances (or inherent ones) between the power conductors and the earthed parts of an IT system. The measurements were conducted in an Operation Room, in a Hemodynamics center and in the Intensive Care Units (ICU) of a Brazilian hospital. Measurements in ten different experiments were also used with the objective of diminishing the capacitances in future installations, since they increase the risk of a microshock to the patient. From the present work, result orientations to minimize the capacitances to lower levels, which can be adopted by the professionals in charge of electric installations in hospitals.

Keywords

Ungrounded power systems IT systems parasitic capacitances hospital electric installations system wiring in IT systems 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • L. E. S. Spalding
    • 1
  • W. P. Carpes Junior
    • 2
  • N. J. Batistela
    • 2
  • C. R. Groth
    • 1
  1. 1.São Vicente de Paulo Hospital, Biomedical Eng.Passo FundoBrazil
  2. 2.Santa Catarina Federal University, GRUCAD/EEL/CTCFlorianópolisBrazil

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