A Three-Level Neutral-Point-Clamped Inverter Synchronous Reluctance Machine Drive

被引：11
|
作者：
Masisi, Lesedi [1 ]
Pillay, Pragasen [1 ]
Williamson, Sheldon S. [2 ]
机构：
[1] Concordia Univ, Dept Elect & Comp Engn, Montreal, PQ H4B 1R6, Canada
[2] UOIT, Dept Elect Comp & Software Engn, Oshawa, ON L1H 7K4, Canada
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2015年 / 51卷 / 06期
基金：
加拿大自然科学与工程研究理事会; 新加坡国家研究基金会;
关键词：
Core losses; neutral point (NP) voltage ripple; neutral point clamped (NPC); saliency ratio; synchronous reluctance machine (SynRM); three-level inverter; VOLTAGE OSCILLATIONS; MODULATION STRATEGIES; PERFORMANCE;
D O I：
10.1109/TIA.2015.2452895
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper is concerned with the use of a three-level inverter for a synchronous reluctance machine (SynRM). The SynRM suffers from a poor power factor due to poor machine saliency. This makes it harder to operate the three-level neutral-point-clamped inverter due to a strict requirement to have the two dc-link capacitor voltages balanced. This paper proposes a new nearest three vector modulation algorithm which can balance the two dc-link capacitors even at poor machine saliency ratio (poor power factor). In this paper, a method of sizing the two dc-link capacitors based on the machine power is also proposed. A comparison between two-and three-level inverters was conducted. The SynRM registered lower d-axis current ripple with a three-level inverter, indicating lower core losses in the machine.
引用
收藏
页码：4531 / 4540
页数：10
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