IMPROVEMENTS IN RELATION TO DYNAMIC BRAKING SYSTEMS FOR BIPOLE POWER TRANSMISSION NETWORKS

A dynamic braking system (360) for a bipole power transmission network (300) comprising a first dynamic braking unit (361) and a second dynamic braking unit (362) connectable, respectively, between a first transmission pole (331) and a neutral arrangement (333), and a second transmission pole (332)...

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Bibliographische Detailangaben
Hauptverfasser:	BARKER, Carl, KUMAR, Amit
Format:	Patent
Sprache:	eng ; fre ; ger
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 dynamic braking system (360) for a bipole power transmission network (300) comprising a first dynamic braking unit (361) and a second dynamic braking unit (362) connectable, respectively, between a first transmission pole (331) and a neutral arrangement (333), and a second transmission pole (332) and a neutral arrangement (333), of a bipole power transmission network (300). The dynamic braking system (360) comprises a controller configured to determine, based on an operating state of the bipole power transmission network (300), whether a third current equal to the difference between first (Idbs1) and second (Idbs2) currents flowing through the first (361) and second (362) dynamic braking units, can flow through the neutral arrangement (333). The controller is configured to operate the dynamic braking units (361, 362) independently if the third current is permitted to flow, and in coordination with each-other, to balance the first (Idbs1) and second (Idbs2) currents such that the third current is substantially zero, if the third current is not permitted to flow through the neutral arrangement (333).