种利用谐振环节配置直流输电主电路结构

• Format: Patent
• Language: Chinese
• Published: 03.08.2016
• Subjects: 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; 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

本发明涉及种利用谐振环节配置直流输电主电路结构，包括单极运行结构和双极运行结构；单极运行结构和双极运行结构均包括谐振环节和整流环节；谐振环节包括谐振升压环节和谐振降压环节；谐振升压环节与整流环节连接后和谐振降压环节通过直流电缆或直流输电线路连接；谐振升压环节、整流环节和谐振降压环节构成直流输电单极运行方式和双极运行方式；谐振升压环节和整流环节连接后的结构包括单谐振升压结构、谐振升压串联结构和谐振升压并联结构；谐振降压环节包括单谐振降压结构、谐振串联降压结构和谐振并联降压结构。本发明利用谐振环节的串并联技术灵活配置直流输电主电路结构，解决目前新能源并网系统中DC/DC环节造价高及设计困难的问题。