电气传动2017，Vol.47Issue(9)：40-43,63,5.DOI:10.19457/j.1001-2095.20170908
新型可抑制共模电流无变级联型光伏系统
Novel Cascaded Inverter with Common Mode Leakage Current Reduction for Transformerless Photovoltaic System
摘要
Abstract
Analyzing the mechanism of common mode leakage current in transformerless cascaded inverter PV (Photovoltaic)system was focused on and equivalent circuit model was built. By clarifying the reason why the conventional cascaded H4(full-bridge inverter)PV system fails to reduce the common mode leakage current,a new cascaded iH6 inverter PV system was proposed. The related theoretical analysis and simulation results were given ,and it was verified that the common mode leakage current can be greatly reduced compared with the conventional cascaded H4 system. Meanwhile,the cascaded iH6 inverter PV system does not need an EMI filter to suppress the high frequency noise.关键词
无变压器隔离/共模漏电流/级联型逆变器/光伏发电Key words
transformerless/common mode leakage current/cascaded inverter/photovoltaic分类
信息技术与安全科学引用本文复制引用
甘义良,杭丽君,李国杰..新型可抑制共模电流无变级联型光伏系统[J].电气传动,2017,47(9):40-43,63,5.基金项目
国家电网公司科技项目,基于多源数据融合与移动互联网技术的分布式新能源公共信息服务平台研究与应用 （）
国家重点研发计划课题(2016YFB0900201) （2016YFB0900201）
