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一种用于提升驱动性能的具有多电平电流波形的新型晶闸管电流源逆变器拓扑

A Novel Thyristor-Based CSI Topology With Multilevel Current Waveform for Improved Drive Performance

语言:

中文摘要

负载换流逆变器(LCI)结合绕线转子同步电机是高功率驱动的有效方案,但存在功率因数低、转矩脉动大及启动性能差等问题。本文提出了一种新型LCI设计,通过基于SCR的强制换流技术,实现了多电平电流波形输出,有效克服了传统LCI的局限性,提升了驱动系统的整体性能。

English Abstract

Load-commutated inverters (LCIs), combined with wound-field synchronous machines (WFSMs), can be an excellent solution for high power drives, but their present technology suffers from important drawbacks related to low power factor, large torque pulsations, and poor starting performance. This paper presents a new LCI design intended to overcome the mentioned limitations. An SCR-based forced-commut...
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SunView 深度解读

该文献研究的LCI拓扑主要针对高功率电机驱动领域,与阳光电源目前主流的组串式/集中式光伏逆变器及储能变流器(PCS)技术路线(多基于IGBT/SiC的电压源型逆变器VSI)存在较大差异。虽然该技术在超大功率工业传动领域具有潜力,但对于阳光电源现有的PowerTitan、PowerStack等储能产品及光伏逆变器产品线,其应用价值有限。建议关注其多电平调制策略在提升功率密度方面的思路,但无需将其作为核心技术储备。