A State-Space Approach to the Modelling and Control of the Neutral Leg of a Four Legs, Three-Phase Inverter

被引：4

作者：

Passalacqua, Massimiliano ^{[1
]}

Grosjean, Gislain ^{[2
]}

Kissling, Simon ^{[2
]}

Bozorg, Mokhtar ^{[2
]}

Marchesoni, Mario ^{[1
]}

Carpita, Mauro ^{[2
]}

机构：

[1] Univ Genoa, Dept Naval Elect Elect & Telecommun Engn, I-16145 Genoa, Italy

[2] Univ Appl Sci & Arts Western Switzerland, CH-2800 Delemont, Switzerland

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2022年 / 69卷 / 04期

关键词：

Legged locomotion; Mathematical model; Inverters; Topology; Voltage control; Capacitors; Switches; Neutral leg control; split dc-bus; three-phase four-wire inverter; VOLTAGE; ELIMINATION;

D O I：

10.1109/TIE.2021.3070495

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this article, a novel approach to determine the model of an independently controlled neutral leg is proposed. Based on this model, a cascaded control method is developed to provide a steady neutral point connection for a three-phase four-wire inverter and to balance the two dc capacitors voltages of a split dc-bus. Validation of the model is realised by simulations and the control has been tested by experiments. Results have shown good performance even with a high level of neutral current, which demonstrate the ability of the system to work within an unbalanced load or grid.

引用

页码：4056 / 4064

页数：9

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