Comparative Analysis of 18-Pulse Autotransformer Rectifier Unit Topologies with Intrinsic Harmonic Current Cancellation

被引：20
|
作者：
Khan, Shahbaz [1 ]
Zhang, Xiaobin [1 ]
Saad, Muhammad [2 ]
Ali, Husan [1 ]
Khan, Bakht Muhammad [3 ]
Zaman, Haider [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Automat, Xian 710129, Shaanxi, Peoples R China
[2] Changan Univ, Sch Traff & Control Signal, Xian 710072, Shaanxi, Peoples R China
[3] Northwestern Polytech Univ, Sch Elect & Informat, Xian 710129, Shaanxi, Peoples R China
来源：
ENERGIES | 2018年 / 11卷 / 06期
关键词：
inter phase transformers (IPT); power quality; zero sequence blocking transformers; 18-pulse converters; autotransformers rectifier unit (ATRU); ELECTRIC AIRCRAFT; SYSTEMS;
D O I：
10.3390/en11061347
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
With the evolution of the More Electric Aircraft (MEA) concept, high pulse converters have gained the attention of researchers due to their higher power quality. Among the high pulse converters, 18-pulse autotransformer rectifier unit (ATRU) offers better power quality level with small size, weight and medium complexity. The conventional topologies of autotransformers that require the use of extra elements such as Inter Phase Transformers (IPT) or Zero Sequence Blocking Transformers (ZSBT), adding to the complexity, weight and size of the overall system, are not considered in the analysis. For 18-pulse rectification, only those topologies of autotransformers which have the intrinsic current harmonic cancellation capabilities are presented here for comparison. These topologies offer current harmonic levels within limits specified by IEEE 519 with reduced weight and size as compared to the conventional multi-pulse converters. A comparison of different differential delta/fork configured 18-pulse autotransformer rectifier units is presented so as to come up with the best among available topologies with respect to weight, size and power quality. Experimental prototypes of each topology were designed and their results are displayed along with the simulation results for comparison.
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页数：18
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