Reactor arrangement for alternating electrical current

Details Reactor arrangement for alternating electrical current Reactor arrangement for alternating electrical current

2009-03-13

2011-11-15

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Cascaded or combined, diverse conversions in which the...

Combined phase and frequency conversion

C363S044000, C323S206000

Reexamination Certificate

active

08059428

ABSTRACT:
A reactor arrangement for alternating electrical current includes different coils (105, 107) for positive and negative half-cycles of the alternating electrical current. The negative and positive half-cycles of the alternating electrical current are directed to the different coils with the aid of unidirectional electrical components (106, 108) such as, for example, diodes. The both coils are arranged to magnetize a common magnetic core element (104) in a same direction. The reactor arrangement further includes at least one permanent magnet (109) that generates, into the magnetic core element, a biasing magnetic flux component having an opposite direction than that of magnetic flux components generated with the coils. Therefore, the biasing magnetic flux component generated with the permanent magnet relieves magnetic saturation of the magnetic core element. Hence, the size and the weight of the magnetic core element can be reduced.

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European Search Report dated Jul. 29, 2008, from corresponding European application.

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