Converter

A power electronic converter (20), for use in high voltage direct current power transmission and reactive power compensation, comprises at least one converter limb (22a, 22b, 22c) including first and second terminals (24,26) being connectable to a DC network (30) and a third terminal (28), the or ea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GREEN, TIMOTHY CHARLES, MERLIN, MICHAEL MARC CLAUDE, SOTO-SANCHEZ, DIEGO, TRAINER, DAVID REGINALD
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A power electronic converter (20), for use in high voltage direct current power transmission and reactive power compensation, comprises at least one converter limb (22a, 22b, 22c) including first and second terminals (24,26) being connectable to a DC network (30) and a third terminal (28), the or each converter limb (22a, 22b, 22c) defining first and second limb portions (34,36) connected in series between the third terminal (28) and a respective one of the first and second terminals (24,26), each limb portion (34,36) including a chain-link converter (38), each chain-link converter (38) including a plurality of modules connected in series, each module including at least one primary switching element connected to at least one energy storage device, each converter limb (22a, 22b, 22c) being controllable to selectively define a circulation path carrying an AC circulation current (54) for presentation to the DC network (30) to minimise DC ripple in a DC voltage presented to the DC network (30).