Model Predictive Current Control of Grid-Connected Neutral-Point-Clamped Converters to Meet Low-Voltage Ride-Through Requirements

被引：183

作者：

Calle-Prado, Alejandro ^{[1
]}

Alepuz, Salvador ^{[2
]}

Bordonau, Josep ^{[1
]}

Nicolas-Apruzzese, Joan ^{[1
]}

Cortes, Patricio ^{[3
]}

Rodriguez, Jose ^{[4
]}

机构：

[1] Tech Univ Catalonia, Dept Elect Engn, Barcelona 08028, Spain

[2] Tech Univ Catalonia, Mataro Sch Technol, Mataro 08302, Spain

[3] Swiss Fed Inst Technol, Power Elect Syst Lab, CH-8092 Zurich, Switzerland

[4] Univ Tecn Federico Santa Mar, Dept Elect Engn, Valparaiso 2390123, Chile

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2015年 / 62卷 / 03期

关键词：

Low-voltage ride through (LVRT); predictive control; reactive support; voltage unbalance; wind turbine; POWER ELECTRONICS; PMSG; SCHEME; ENERGY;

D O I：

10.1109/TIE.2014.2364459

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：

The low-voltage ride through (LVRT) requirement demands the wind power plants to remain connected to the grid in the presence of grid voltage dips, actively helping the network overall control to keep network voltage and frequency stable. Wind power technology points to increase power ratings. Hence, multilevel converters, as for example, neutral-point-clamped (NPC) converters, are well suited for this application. Predictive current control presents similar dynamic response and reference tracking than other well-established control methods, but working at lower switching frequencies. In this paper, the predictive current control is applied to the grid-side NPC converter as part of a wind energy conversion system, in order to fulfill the LVRT requirements. DC-link neutral-point balance is also achieved by means of the predictive control algorithm, which considers the redundant switching states of the NPC converter. Simulation and experimental results confirm the validity of the proposed control approach.

引用

页码：1503 / 1514

页数：12

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