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[原创] TI 10KW三相三电平并网太阳能逆变器参考设计TIDA-01606

关键词:电源管理 太阳能逆变器 SiC IGBT TIDA-01606

时间:2019-04-25 11:11:46       来源:中电网

TI公司的TIDA-01606是10KW三相三电平并网太阳能逆变器参考设计,额定和最大输入电压分别是800VDC和1000VDC,在连接400-VAC 50/60-Hz电网时输出功率最大为0-kW/10-kVA,基于高压1200V SiC MOSFET全桥逆变器的效率高达98.5%,满负载时输出电流THD小于2%,采用AMC1301隔离电流检测用于负载电流检测,而TMS320F28379D控制卡用来数字控制.参考设计TIDA-01606采用了增强型隔离栅极驱动器SO5852S,栅极和功率驱动器UCC5320,32位MCU TMS320F28379D,二阶隔离型 Δ-Σ 调制器AMC1305M05,运算放大器OPA4340,DC/DC转换器LM76003,微型电源模块PTH08080W,低压稳压器TLV1117,CMOS运放OPA350以及MOSFET 驱动器UCC27211等器件.主要用在太阳能串逆变器和太阳能中心逆变器.本文介绍了10KW三相三电平并网太阳能逆变器参考设计TIDA-01606主要特性和主要指标,框图,以及双电平三相逆变器架构图,三电平T型三相逆变器架构图和参考设计中的栅极驱动器E4,HV卡E4和电源卡E4的电路图,材料清单,PCB设计图和装配图.

This reference design provides an overview on how toimplement a three-level, three-phase, SiC-basedDC/AC grid-tie inverter stage. A higher switchingfrequency of 50 kHz reduces the size of magnetics forthe filter design and as a result a higher power density.SiC MOSFETs with switching loss ensures higher DCbus voltages of up to 1000 V and lower switchinglosses with a peak efficiency of 99%. This design isconfigurable to work as a two-level or three-levelinverter.

Modern commercial scale solar inverters are seeing innovation on two fronts, which lead to smaller, higherefficiency products on the market:
1. The move to higher voltage s..

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