Produse pentru aliment 12v 3a (3)

In der Leistungselektronik im allgemeinen, speziell in niederinduktiven Zwischenkreisen höherer Spannungen sowie auch in Entladeschaltungen ist die Forderung nach niederinduktiven Kondensatoren mit Problemen verbunden: Traditionelle Hochspannungskondensatoren sind mit öl gefüllt, und die für die Luft- und Kriechstrecken großzügig auszulegenden Anschlussisolatoren wie auch der interne Sicherheitsmechanismus tragen wesentlich zur Eigeninduktivität des Kondensators bei. Basierend auf jahrzehntelanger eigener Erfahrung bei der Metallisierung von Kondensatorfolien hat ELECTRONICON unter Nutzung spezieller Metallisierungsarten eine Reihe von Hochspannungskondensatoren in selbstheilender Technologie geschaffen. Trotz der hohen Spannungsnennwerte wird die E51 Reihe in trockener Technologie und ohne aufwändige Anschlüsse gefertigt. Das Kondensatorelement im Inneren des Bechers aus selbstverlöschendem Kunststoff ist in PUR-Harz vergossen.

The special kind of films and coating patterns used in our oil-filled E63-capacitors give them a high specific ratio of capacitance to volume and makes them extremely overvoltage proof. Very good self-healing characteristics and the integrated overpressure protection (" BAM ") ensure safe operation and controlled disconnection in the event of overload or failure at the end of operating life. Hence the E63s are interesting particularly for applications with high AC ripple currents, e.g. as smoothing or supporting capacitors in buffer storage circuits, in sensitive environment with high safety requirements. Note that the presence of an overpressure mechanism adds substantially to the self-inductance of the capacitor, and limits the surge current rating. If self-inductance and surge current are important issues, then our E50 or E53 ranges may be considered as a more adequate option.

The PK16™ capacitor can be universally used for the assembly of low inductance DC buffer circuits and DC filters; with its high energy density it can replace banks of series-connected electrolytic capacitors as well as large film capacitors in rectangular cases. The capacitance in a DC buffer circuit must be sufficiently sized to both handle and smoothen the occurring ripple currents. The traditional use of series-/parallel-connected electrolytic capacitors offered large capacitance at seemingly low cost, however the low cost per microfarad is countered by the very low current strengh, the high sensitivity to voltage and current surges, as well as a substantial risk of failures in the field, resulting in high maintenance cost. Our advanced know-how in special capacitor film coating and many years of practical experience in designing and manufacturing capacitors have allowed us to develop our PK16™ range with high capacitance density.