Derivation of a Four-Quadrant Control System for MLCR-HVDC Conversion

Abstract

Although the multilevel current reinjection concept has been presented as a possible self-commutating alternative to line-commutated conversion for large power HVDC transmission, in its present form, the lack of independent reactive power control at the two converter terminals constitutes a severe limitation to its eventual acceptability. For very large… (More)

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