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Ferreira, J.A. (author)Electrical power converter for converting electrical power of a power source connected or connectable at an input to electrical DC-power at an output, wherein between the input and the output a first circuit of submodules is provided, wherein said first circuit of submodules and the power source form a primary power loop and wherein each...patent 2014
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Van der Pijl, F.F.A. (author), Ferreira, J.A. (author), Bauer, P. (author), Castilla, M. (author)The invention relates to an adaptive controlling method for controlling energy- supplied by an electrical source (14) to a resonance tank (Cr, Lr) that is connectable to an electric load (13a, 13b). The method comprises the step of determining an energy amount to be supplied to the tank (Cr, Lr), based on information of energy in the resonance...patent 2011
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Ferreira, J.A. (author), Yuan, Z. (author), De Haan, S.W.H. (author)The invention relates to a power flow controller, comprising at least one first converter coupled with a power transmission line, and at least one second converter coupled with a power source, wherein said power source operates at a predeter-mined first frequency and connects to the power transmission line, said controller further comprising...patent 2008
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Kruit, P. (author), Ferreira, J.A. (author)The invention relates to compensation device for a magnetic field generated through electric traction in a tram or train transport system that comprises an overhead line and rails, the overhead line and rails during operation being live, wherein a predetermined section of the overhead line and rails is provided with adjacent circuits, each of...patent 2007