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Current limiting reactors

Current limiting reactors (a) are series connected to the transmission/distribution line or to the feeder in order to limit the short-circuit power on the load side of the reactor. The reactor limits the short-circuit current to a level which can be handled by the components installed in the electrical system, such as breakers, switches or fuses. This represents the classical application of air-core reactors. Due to the linear inductance-characteristics over the current range the full reactor impedance is also maintained during system fault conditions.

Other special applications of current limiting reactors are:

  • Load balancing reactors (b) for load sharing in parallel circuits
  • Bus tie reactors (c) installed between two different bus systems
  • Capacitor inrush current limiting or damping reactors (d)

COIL INNOVATION GMBH A-4070 Eferding/AUSTRIA_Nikola-Tesla-Straße 1
[t]+43 (0) 7272 75200 [f]+43 (0) 7272 75200-100 [e]

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