A Large-Power Voltage Source Converter for FACTS Applications Combining Three-Level Neutral-Point-Clamped Power Electronic Building Blocks

被引：31

作者：

Chivite-Zabalza, Javier ^{[1
]}

Rodriguez Vidal, Miguel Angel ^{[1
]}

Izurza-Moreno, Pedro ^{[1
]}

Calvo, Gorka ^{[1
]}

Madariaga, Danel ^{[1
]}

机构：

[1] Ingeteam Power Technol SA, Zamudio 48170, Spain

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2013年 / 60卷 / 11期

关键词：

Flexible alternating current transmission systems (FACTS); integrated gate commutated thyristor (IGCT); interphase transformer (IPT); multipulse; selective harmonic elimination (SHE); static synchronous compensators (STATCOMs); static synchronous series compensator (SSSC); voltage source converter (VSC); zero-sequence blocking transformer (ZSBT); MULTILEVEL; REQUIREMENTS; INVERTERS;

D O I：

10.1109/TIE.2012.2218555

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

080201 [机械制造及其自动化];

摘要：

This paper presents a novel large-power voltage source converter (VSC) arrangement suitable for flexible alternating current transmission system applications, achieved by combining four three-level three-phase neutral-point-clamped inverters by means of intermediate magnetic elements with lower VA rating and size than those of similar existing installations. The 12 inverter poles forming the VSC share a common dc bus and are implemented using standard power electronic building blocks of well-proven reliability. The output voltage is doubled by using an H-bridge configuration, and only a single-secondary grid coupling transformer is required. In addition, the intermediate magnetic elements ensure an equal power sharing between the four inverters. Since they also allow for the harmonic cancellation between the inverter poles and eliminate any third harmonic component created by the modulation, the output voltage waveform has a high quality, often eliminating the need for additional filtering. In this paper, the converter components and its operation are explained, and experimental results for several modulation strategies are provided.

引用

页码：4759 / 4772

页数：14

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