Comparison and evaluation of different three-level inverter topologies for PV systems
Comparison and evaluation of different three-level inverter topologies for PV systems
复制标题
光伏系统不同三电平逆变器拓扑的比较和评估
DOI：
10.1109/epe.2014.6910810
复制
发表时间：
2014
期刊：
影响因子：
--
通讯作者：
A. Hensel
中科院分区：
文献类型：
--
作者：
Christian Schoner;David Derix;A. Hensel
在这项工作中，不同的三电平拓扑结构适用于光伏系统进行了分析。首先，中性点箝位（NPC），有源中性点箝位（ANPC）和混合电压中性点箝位（MNPC）拓扑结构的基本工作原理的解释和使用的PWM策略。所有三种拓扑结构都在模块化测试装置上的硬件中实现，因此可以在相同的条件下操作它们。显示了不同条件下的效率测量结果（开关频率fPWM = {16; 48; 90} kHz、输出功率、碳化硅（SiC）半导体、驱动电路）。获得了η 16 kHz = 99.1%和η 90 kHz = 98.6%的优异效率。
In this work different three-level topologies suitable for PV systems are analyzed. First the basic operation principles of the Neutral Point Clamped (NPC), Active Neutral Point Clamped (ANPC) and Mixed Voltage Neutral Point Clamped (MNPC) topologies are explained and the used PWM strategies are presented. All three topologies are realized in hardware on a modular test setup, so that it is possible to operate them under the same conditions. Efficiency measurements under different conditions (switching frequency fPWM = {16; 48; 90} kHz, output power, silicon carbide (SiC) semiconductors, driving circuits) are shown. Exceptional efficiencies of η16kHz = 99.1 % and η90kHz = 98.6 % are obtained.