Contactor Capacitor Ducati 60 Kvar
When choosing switching contactors for capacitors used to compensate the reactive power present in the network, you should bear several aspects in mind:
- on being energized the capacitor is connected in parallel
to the inductive network and the oscillating circuit produced by connecting the capacitor to the network will result in the passage of a high-frequency current (from 3 to 15 kHz), which may be 160 times greater than the In current for 1 or 2 ms.
- the presence of harmonic currents and the tolerance with
respect to mains voltage determine the continuous passage, within the circuit, of a current whose value is around
1.3 times greater than the rated current In of the capacitor.
- Because of the tolerances allowed by the manufacturer, the exact power of a capacitor may be 1.10 times greater than the rated power.
Magnetic Contactor DC
Rated Voltage : 12.5 kVAr
Part number : 1143
A x B x C x D x E x F : 130 x 117 x 80 x 74 x 45 x 35 mm
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