Article : [PAP134]

Info : COMPENDEX Numéro de réponse 5, 1999

Titre : F. WASCHEUL, J.C. COCQUERELLE, A. ARMELIN, Novel strategy to control battery recharging, complying with EN61000.3.2, 07-11 July 1997, Proceedings of the IEEE International Symposium on Industrial Electronics, ISIE, pp. 507-510.

Cité dans : [DIV066]  Recherche sur le mot clé : TRIAC*
Cité dans :[99DIV077] Recherche sur l'auteur Jean-Louis COCQUERELLE, décembre 2001.

Location : Guimaraes, Portugal
Date : 07-11 Jul 1997
Title     : Proceedings of the IEEE International Symposium on Industrial Electronics, ISIE.Part 2 (of 3).
Source : IEEE International Symposium on Industrial Electronics v 2 1997. IEEE, Piscataway, NJ, USA,97TH8280.
Pages : 507 à 510
Références : 12 Refs.
CODEN : 85PTAR
Meeting_Number : 48073
Document_Type  : Conference Article
Treatment_Code : Theoretical
Language : English
Stockage : Thierry LEQUEU
Lien : private/WASCHEUL.pdf - 366 Ko, 4 pages.

Abstract :
In order to recharge a battery, it is mandatory to transfer the energy from the mains, complying with the EN61000.3.2
regulation concerning the current spectrum.The traditional method uses the cascade triac - single output transformer -
diode bridge. The triac firing angle control allows the precise adjustment of the power transferred to the battery.
The other, less precise method uses a transformer with as many outputs as the number of power steps.The outputs are
connected via mechanical switches or relays.The first method has the drawback of exceeding the harmonics level stated
by the EN61000.3.2.The second one generates less harmonics, but it becomes more and more difficult to construct the
transformer as the number of outputs increases.Hence, the number of power steps is limited.The purpose of the circuit
proposed is to put together the advantages of the two previous strategies.The cascade triac - multiple outputs transformer
- diode bridge is able to comply with the EN61000.3.2 standard, still using a small-size passive filter. (Author abstract)

Accession_Number : 98(17):6832

From Catagne

Accession_Number : 5850329

Abstract :
In order to recharge a battery, it is mandatory to transfer the
energy from the mains, complying with the EN61000.3.2 regulation
concerning the current spectrum. The traditional method uses the
cascade triac-single output transformer-diode bridge. The triac
firing angle control allows the precise adjustment of the power
transferred to the battery. The other, less precise method uses a
transformer with as many outputs as the number of power steps.
The outputs are connected via mechanical switches or relays. The
first method has the drawback of exceeding the harmonics level
stated by the EN61000.3.2. The second one generates less
harmonics, but it becomes more and more difficult to construct
the transformer as the number of outputs increases. Hence, the
number of power steps is limited. The purpose of the circuit
proposed is to put together the advantages of the two previous
strategies. The cascade triac-multiple outputs transformer-diode
bridge is able to comply with the EN61000.3.2 standard, still
using a small-size passive filter.

Subject_terms :
battery chargers; battery recharging control; EN61000.3.2; energy
transfer; triac-single output transformer-diode bridge cascade;
triac firing angle control; mechanical switches; mechanical
relays; small-size passive filter; industrial applications; power
control

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