Heat coating boosts PFC capacitor
The DeltaCap X Black Premium is part of the EPCOS MKD PFC capacitor family and so has an internal delta connection designed for power factor correction and filtering of harmonics at the low-voltage level. With capacitance values of 3 x 51 µF to 3 x 165 µF, power correction performances ranging from 20 kvar to 44 kvar (50/60 Hz) per capacitor are achieved.
The special black coating improves the dissipation of heat to provide a service life of up to 300,000 hours in accordance with temperature class -40/D. The rugged construction of the B32305A series can withstand a maximum inrush current of 500 x IR, temperatures of up to +65 °C and perform up to 62,000 operating cycles per year.
Like all the EPCOS PFC capacitors the DeltaCap X Black Premium parts are self-healing and are equipped with an overpressure disconnector which isolates all three phases from the grid in the event of damage. The impregnation, based on biodegradable soft resin, has an additional positive effect on the heat dissipation.
The capacitors are suitable for use with or without reactors in both conventional and dynamic PFC systems and also for use in tuned resonant circuits in industrial power grids and harmonic filters.
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