From net type photovoltaic inverter

• Main Author: JIANG LONGLONG
• Format: Patent
• Language: Chinese; English
• Published: 20.06.2017
• 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 relates to a from net type photovoltaic inverter belongs to photovoltaic inverter technical field. The beneficial effects of the utility model are that: 1 )Realize the direct -current input and exchanged the electric wall of exporting, the security that has improved whole power supply system, 2 )Transformer T has the vary voltage function, can change output voltage, 3 )Can the attenuate electromagnetic noise of inverter circuit switching element of transformer T improves electromagnetic compatibility, 4 )Switch tube M1 the filtration circuit that M4 constitutes has filtered the direct current of output, has improved the electric energy quality. 本实用新型涉及种离网型光伏逆变器，属于光伏逆变器技术领域。本实用新型的有益效果是：1)实现了直流输入与交流输出的电气隔断，提高了整个供电系统的安全性；2)变压器T具有变压功能，可以改变输出电压；3)变压器T可以衰减逆变电路开关器件的电磁噪声，提高电磁兼容性；4)开关管M1-M4组成的过滤电路过滤掉了输出的直流电流，提高了电能质量。