DC power transmission system based on modularized multi-level converter unit

• Main Authors: WU JINLONG, ZHANG JUN, XING DENGJIANG, JIANG WEI, YANG MEIJUAN, WANG XIANWEI
• Format: Patent
• Language: English
• Published: 27.01.2016
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The invention relates to a DC power transmission system based on a modularized multi-level converter unit. The system is formed by M by N MMCs and (M+1) buses, wherein every N MMCs form a unit layer, and M unit layers are formed in total. The N MMCs in each unit layer are connected in parallel betwe...