Wednesday, 4 November 2009

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Transactions: INTERNATIONAL JOURNAL of ENERGY
Transactions ID Number: 19-186
Full Name: Nino Božiæ
Position: Engineer
Age: ON
Sex: Male
Address: Zagrebaèka 13
Country: CROATIA (HRVATSKA)
Tel: 00385956328384
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Fax:
E-mail address: nino.bozic@tele2.com
Other E-mails: ninobozic@gmail.com
Title of the Paper: A Procedure for Assessment of Maximal Electromagnetic Field Values from Urban Power Substation
Authors as they appear in the Paper: Nino Bozic, Niksa Kovac, Mario Cvetkovic
Email addresses of all the authors: nino.bozic@tele2.com, nkovac@fesb.hr, mcvetkov@fesb.hr
Number of paper pages: 10
Abstract: The paper deals with an assessment procedure of the maximal electromagnetic field values related to urban power substation. Assessment of maximal electromagnetic field values from urban power substations are of great interest for both power utilities and the general public. This work provides an assessment procedure for the maximal magnetic field values from urban power substations based on a limited number of measured values, thus reducing the required measurement effort. The technique used in this work comprises the multiquadric approximation of a field quantity obtained using the discrete measured data set. The approximation sufficiently handles multidimensional multiextreme functions by interpolating their discrete values accurately. Subsequently, the maximal value of a field quantity is evaluated by minimizing the negative multiquadric approximation via a stochastic optimization method - differential evolution. Therefore, the implemented procedure provides the!
maximal value assessment on the basis of a limited number of measured values, thus reducing the experimental cost. Moreover, measurement results of ELF magnetic fields produced by urban power substation are analysed for better understanding of the influence of various field sources.
Keywords: Electromagnetic fields, Differential evolution, Multiquadric approximation, Power substation
EXTENSION of the file: .pdf
Special (Invited) Session: Assessment of Maximal Electromagnetic Field Values Based on the Discrete Measured Data Set
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