Direct Water Heater Power Control For Reduced Harmonics And Flicker Content With Optimized Half-cycle Power Control

Wilson Komatsu; Cláudio José de Oliveira Júnior; Paulo Sérgio Valle Carvalho

doi:10.18618/REP.2006.3.175180

Authors

Wilson Komatsu Escola Politécnica da Universidade de São Paulo, Av. Prof. Luciano Gualberto, trav. 3, no. 158, sala A2-05 – 05508-900 São Paulo SP BRAZIL
Cláudio José de Oliveira Júnior DEPD – Lorenzetti S/A
Paulo Sérgio Valle Carvalho Escola Politécnica da Universidade de São Paulo, Av. Prof. Luciano Gualberto, trav. 3, no. 158, sala A2-05 – 05508-900 São Paulo SP BRAZIL

DOI:

https://doi.org/10.18618/REP.2006.3.175180

Keywords:

Cycle-by-cycle power control, direct water heater, half-cycle power control, harmonics and power quality, integral-cycle power control, flicker

Abstract

This paper presents an optimized Half-Cycle Power Control for Direct Water Heater with reduced harmonic content and flicker control. The method is presented, as well as results of theoretical analysis supported by experimental results.

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Author Biographies

Wilson Komatsu, Escola Politécnica da Universidade de São Paulo, Av. Prof. Luciano Gualberto, trav. 3, no. 158, sala A2-05 – 05508-900 São Paulo SP BRAZIL

was born in São Paulo, Brazil, in 1963. He received his B.Sc. degree (electrical engineering) from the Polytechnic School of the University of Sao Paulo (EPUSP), Sao Paulo, Brazil, in 1986. In the same institution he obtained his M.Sc. and Ph.D. degrees in 1992 and 2000 respectively. He worked at FDTE/EPUSP from 1987 to 1989 developing induction furnaces. In 1989 he became lecturer at EPUSP, teaching courses related to power electronics and control systems. Among his areas of interest are: quality of power, modeling of control systems and static converters as well as their application to electrical power systems. Dr. Komatsu is a member of SOBRAEP and IEEE.

Cláudio José de Oliveira Júnior, DEPD – Lorenzetti S/A

was born in Sao Paulo, Brazil, in 1974. He received his B.Sc. degree (electrical engineering) from Mauá Engineering School, São Caetano do Sul, Brazil, in 2002, and his B.Sc. degree (mathematics) from Osvaldo Cruz University, Sao Paulo, Brazil, in 2003, and the M.Sc. degree (electrical engineering) at the Polytechnic School of the University of São Paulo (EPUSP) in 2006. From 2002 to 2004 he was a lecturer at Galvão College and Meta Lux, teaching courses related to electrical and electronics systems. He works at Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas since 2000, in Research and Development of New Products Department. Since 2005, he is a lecturer (mathematics) at Prefeitura Municipal de São Paulo. Among his areas of interest are: quality of power, electrical heating, as well as their application to electrical power systems.

Paulo Sérgio Valle Carvalho, Escola Politécnica da Universidade de São Paulo, Av. Prof. Luciano Gualberto, trav. 3, no. 158, sala A2-05 – 05508-900 São Paulo SP BRAZIL

was born in Sao Paulo, Brazil, in 1963. He received his his B.Sc. degree (electrical engineering) from Mogi das Cruzes University, Mogi das Cruzes, Brazil, in 1992. He worked at Philips do Brazil from 1987 to 1996 in Research and Development of New Products and Electronic Laboratories Department. He works at Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas since 1998 in Research and Development of New Products Department. Among his areas of interest are: quality of power, electrical heating, as well as their application to electrical power systems.

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