Design considerations for 12-pulse diode rectifier systems operating under voltage unbalance and pre-existing voltage distortion with some corrective measures

被引：52

作者：

Rendusara, DA ^{[1
]}

vonJouanne, A ^{[1
]}

Enjeti, PN ^{[1
]}

Paice, DA ^{[1
]}

机构：

[1] OREGON STATE UNIV,DEPT ELECT & COMP ENGN,CORVALLIS,OR 97331

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1996年 / 32卷 / 06期

关键词：

harmonics; 12-pulse; voltage distortion; harmonic; blocking reactor;

D O I：

10.1109/28.556631

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper design considerations for 12-pulse diode rectifier systems operating under utility voltage unbalance and pre-existing harmonic voltage distortion are discussed, For a 12-pulse diode rectifier system connected in parallel to feed a common de link via an interphase transformer it is shown that a small amount of impedance mismatch, utility voltage unbalance or pre-existing voltage distortion drastically affects the current sharing capability of the rectifier bridges, This in turn generates additional uncharacteristic and characteristic harmonics thereby increasing the THD, In order to mitigate these effects and ensure proper operation of diode rectifiers, specially designed line reactors termed Harmonic Blocking Reactors (HBR's) are introduced, The analysis and design procedure for HBR's are discussed, Simulation results illustrate improved performance, Experimental results from a laboratory prototype system show close agreement with theory.

引用

页码：1293 / 1303

页数：11

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