LCL filter module and use this filter module's photovoltaic inverter

• Main Authors: WANG XIAODUAN, YAN MING, LIANG JIE, REN JING, CHEN BEIHAI, LI ERSHUAI, WANG HAITAO
• Format: Patent
• Language: Chinese; English
• Published: 06.06.2017
• 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; 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; 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 LCL filter module and use this filter module's photovoltaic inverter, wherein LCL filter module includes fixed frame, fixed mounting has one -level reactance, second grade reactance and filter capacitance in the fixed frame, and one -level reactance and second grade reactance level set up side by side, and filter capacitance locates one -level reactance upside, still installs above the second grade reactance in the fixed frame and exchanges the output contactor. This kind of LCL filter module designs into a whole, dismouting and maintenance that can be convenient, and simultaneously such modular LCL filtering structure reactance and electric capacity arrange that rationally the volume is less, compare the discrete setting of each filtering parts when installing in photovoltaic inverter, have saved the space. 本实用新型提供了种LCL滤波模块及使用该滤波模块的光伏逆变器，其中LCL滤波模块包括固定框架，所述固定框架内固定安装有级电抗、二级电抗以及滤波电容，级电抗和二级电抗水平并排设置，滤波电容设于级电抗上侧，固定框架内还在二级电抗上方安装有交流输出接触器。这种LCL滤波模块设计成个整体，能够方便的拆装和维修，同时这样模块化的LCL滤波结构电抗和电容布置合