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LR-LRB Series

Reactors for filtering for power converters (network side)


Cod: LR


The motor speed regulation equipment, frequency variators, UPS units, etc. generate alterations in the network, which affect other loads in the installation of the operation of the equipment.
The LR / LRB reactors connected to the input on the network side of the equipment can attenuate voltage peaks and reduce the harmonic distortion generated by the power electronics. The LR / LRB Reactors for filtering can reduce the current harmonics in any converter from 40... 50 % to values around 20 %. In addition, they reduce the shortcircuit current and increase the safety of the converter's semi-conductors. When installed on the motor side, they can attenuate harmonic frequencies caused during switching operations.

  • Low-powered reactors, LR type, are built with plates with low losses and are coiled with copper wire. The connection is achieved with the adequate terminals.
  • In the case of higher currents, LRB reactors are used, with a magnetic plate nucleus and multiple steel cores, which offer excellent characteristics and a low loss ratio. Copper band coils (or aluminium band, on demand). The connections run through a plate.
  • Both LR and LRB type reactors have a vacuum varnish sealing to increase the insulation, providing a greater mechanical resistance and reduce the level of noise.



Vial Sant Jordi s/n, 08232
Viladecavalls (Barcelona) Spain
Tel: (+34) 93 745 29 00
Fax (+34) 93 745 29 14

Wsparcie techniczne

(+34) 93 745 29 19