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ABSTRACT
The operating conditions of capacitors used in power electronic circuits are diametrically opposed to that of capacitors which are commonly used in industrial networks. Their specificities of use induce particular production processes. Furthermore, as it is difficult to manufacture capacitors that meet all specifications, manufacturers have developed components with specific characteristics and adapted to each use.
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Gérard MOURIÈS: Engineer from the École Française de Radioélectricité - Consultant
INTRODUCTION
The operating conditions of capacitors used in power electronics circuits are quite different from those of capacitors normally used in industrial networks. In section 1 , we describe the special features of these capacitors. In 2 , we look at the technologies used, as well as the materials used and the designs. The uses and specifications of these capacitors are developed in section 3 .
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Capacitors used in power electronics
Special features of these capacitors
Bibliography
- YASUFUKU (S.), UMEMURA (T.), YASUDA (Y.) - Dielectric properties of oil impregnated all polypropylene film, power capacitor insulation system (Propriétés diélectriques du film tout polypropylène imprégné d'huile pour l'isolation des condensateurs de puissance) - . IEEE Trans. on Electrical Insulation (USA). Déc. 1978, p. 403-10. ...
Main manufacturers
(non-exhaustive list)
AVX TPC: film and ceramic capacitors http://www.avxcorp.com
HITACHI AIC: electrolytic capacitors http://www.hitachiaic.com
EPCOS: film capacitors, electrolytic capacitors, double layer...
Standardization
International Electrotechnical Commission (IEC)
- Power capacitors for induction heat generation systems – Part 1: General information. - CEI 60110-1 - 1998
- Power capacitors for induction heat generation systems – Part 2: Ageing test, destruction test and disconnection test requirements for internal fuses. - CEI 60110-2...
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