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AC high-voltage capacitors
E51
In power electronics in general, especially in low-inductance intermediate circuits of higher voltages as well as in discharge circuits, the requirement for low-inductance capacitors is associated with problems: Traditional high-voltage capacitors are filled with oil, and the connection insulators, which must be generously designed for the clearance and creepage distances, as well as the internal safety mechanism, contribute significantly to the capacitor's self-inductance.
Despite the high voltage ratings, the E51 series is manufactured using dry technology and without complex connections. The capacitor element inside the self-extinguishing plastic can is encapsulated in PUR resin. The flat, robust connections are provided with an internal thread.
Partial discharge-free circuit capacitors
In addition to the very good capacitance-to-volume ratio, these capacitors have very good surge current resistance and very good self-healing properties without losing capacitance. In the interest of optimized low self-inductance, the E51s are built without a safety mechanism; thanks to a sophisticated design, they can be designed and dimensioned in such a way that partial dielectric discharges and the resulting risk of failure in the customer's application are reduced to a minimum.
Electronicon offers film capacitors "Made in Germany". From the coating of the film to the winding and manufacturing of the capacitors, the entire process takes place at the plant in Gera. Film capacitors offer various advantages in power electronics and are environmentally friendly in production.
Since the early forties, when SIEMENS&HALSKE AG moved parts of their production from Berlin to East Thuringia in the heart of Germany, capacitors have been manufactured by ELECTRONICON Kondensatoren GmbH (formerly RFT Kondensatorenwerk) in Gera. Highest quality and reliability of all products have been the basis of their company philosophy from the very beginning. Especially since its spin-off from the former East German electrical company RFT/VEB ELEKTRONIK Gera in autumn 1992, ELECTRONICON has succeeded in becoming one of the leading capacitor manufacturers in Europe with worldwide supply relations by continuously expanding and improving its product range. More than 500 qualified engineers and skilled workers produce capacitors and accessories for lighting and drive technology, power electrics and electronics, and power factor correction. Extensive investments in modern and environmentally friendly technologies guarantee the highest standards in manufacturing and quality assurance. The products of ELECTRONICON Kondensatoren GmbH are approved according to the latest standards by international testing institutions. ELECTRONICON's quality assurance system is monitored by TÜV according to ISO 9001. Since 1942 ELECTRONICON has been able to metallize its dielectric materials itself using the latest technologies. This ensures uninterrupted quality assurance from the raw foil to the finished capacitor.
Advantages of ELECTRONICON film capacitors
- No polarity
- No leakage of conductive substances
- No series connection necessary for voltages above 400 V
- Self-healing in case of overload
- Maintenance free, longest life time
- High current carrying capacity (100 mA / µF)
- Low series resistance
- Only a fraction of the capacitance required by electrolytic capacitors
