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The International System of Units (SI) and the Place of “Force” in Several Graphic Representations Read chapter Read first chapter

2020 | OriginalPaper | Chapter

11. Measurement of the Axial Loads Transmitted to the Foundation by High Voltage Circuit Breakers When Acting

Author : Dan Mihai Ştefănescu

Published in: Handbook of Force Transducers

Publisher: Springer International Publishing

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Abstract

High voltage electrical equipment is mounted on foundations by bolts. The dynamic loads (thrust), occurring, for example, at switching on and off the circuit breakers, are sensibly larger than the static loads. Determination of these loads is a very important factor in establishing the optimal foundation solution. Measurement of the axial load transmitted to the foundation is possible by means of strain gauge force transducers (SGFTs) mounted on the preloaded bolts of each breaker. Depending on the kind of application, tubular elastic elements (EE) are chosen to “enclose” each fixing bolt in the concrete foundation. Details on the design, construction, calibration and use of these “dynamic” load cells are given.

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Literature
1.
Ştefănescu, D.M., Ştefănescu, V., Mănescu, T.: Strain gauge force transducers for dynamic measurements in energetics. In: Proceedings of the XIII IMEKO World Congress, Vol. 3, pp. 2568–2573, Turin, Italy, 5–9 Sept 1994
2.
Ştefănescu, D.M.: Untersuchung der Verformungszustsands eines elastischen Rohrelements mit Spalten, anwendbar beim Bau der Kraftaufnehmer mit Dehnungsmeßstreifen. Rev. Roum. Sci. Techn. Série de Mécanique Appliquée. 29(5), 519–533 (1984)
3.
Ştefănescu, D.M.: Study of a tubular elastic element with holes, by the finite elements method (in Romanian). In: Al III-lea Simpozion Naţional de Tensometrie, Vol. 4, pp. 205–210, Timişoara, 28 septembrie–1 octombrie 1983
4.
Constantinescu, I.N., Ştefănescu, D.M., Sandu, M.A.: Strain Gauge Measurement of Mechanical Quantities (in Romanian), 264 pp. Editura Tehnică, Bucureşti, 1989 (Romanian Academic Prize 1991). ISBN 973-31-0127-3
Metadata
Title
Measurement of the Axial Loads Transmitted to the Foundation by High Voltage Circuit Breakers When Acting
Author
Dan Mihai Ştefănescu
Copyright Year
2020
Book
Handbook of Force Transducers

Print ISBN: 978-3-030-35321-6

Electronic ISBN: 978-3-030-35322-3

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-35322-3_11

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