Complementary direct current microgrid structure of sea island type scene

• Main Authors: JIANG HANREN, REN HONGTAO, SUN KE, ZHENG SHANSHAN
• Format: Patent
• Language: Chinese; English
• Published: 19.10.2016
• 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; INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ONOTHER TECHNOLOGY AREAS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SYSTEMS FOR STORING ELECTRIC ENERGY; SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORKOPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FORIMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION,DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model provides a complementary direct current microgrid structure of sea island type scene, including dc bus, ac bus, battery energy storage system, photovoltaic power generation system, wind generator system, the one -way main convertor of DCAC, sea water desalination, diesel generator and local daily load, battery energy storage system, photovoltaic power generation system and wind generator system insert the dc bus, diesel generating set, sea water desalination and local daily load insert ac bus, the dc bus pass through the one -way converter of DCAC with ac bus connects. The utility model discloses simple structure, with low costs, control is simple, and operation maintenance and maintenance are simple. 本实用新型提供种海岛型风光互补直流微网结构，包括直流母线、交流母线、蓄电池储能系统、光伏发电系统、风力发电系统、DC/AC单向主变流器、海水淡化系统、柴油发电机以及当地日常负荷，所述蓄电池储能系统、光伏发电系统和风力发电系统接入所述直流母线；所述柴油发电机组、海水淡化系统和当地日常负荷接入所述交流母线；所述直流母线通过DC/AC单向变流器与所述交流母线连接。本实用新型结构简单，成本低，控制简单，运行维护及检修简单。