A comparative analysis of multiloop voltage regulation strategies for single and three-phase UPS systems

被引：344

作者：

Loh, PC ^{[1
]}

Newman, MJ

Zmood, DN

Holmes, DG

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Ctr Adv Power Elect, Singapore S639798, Singapore

[2] Monash Univ, Dept Elect & Comp Syst Engn, Clayton, Vic 3800, Australia

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2003年 / 18卷 / 05期

关键词：

current control; harmonic impedance; PID; transient analysis; UPS; THD; voltage control;

D O I：

10.1109/TPEL.2003.816199

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Most of the many reported control algorithms for uninterruptible power supplies (UPSs) use either filter inductor or filter capacitor currents as feedback variables to regulate the output voltage. This paper explores the fundamental performance issues associated with the use of these quantities as feedback variables, with a view to determining their contribution to the transient system response and output harmonic compensation in any particular situation. A proportional plus resonant (P+resonant) compensator is then added into the outer voltage regulation loop to achieve zero steady error, to develop a high performance UPS control algorithm, which is applicable to both single-phase and three-phase systems. Theory, simulation, and experimental results are presented in the paper.

引用

页码：1176 / 1185

页数：10

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