新型可变升压比18脉波自耦变压整流器研究
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摘要
多脉冲整流器具有结构简单、效率高、可靠性强等优点,在航空领域有着广泛的应用前景。该文基于机载电子设备高功率因数和低谐波污染的要求,研究了一种输出直流电压可调节的新型18脉波自耦变压整流器,分析了其工作原理,详细推导了升压比例因子与输出直流电压、输入电流总谐波含量以及变压器等效容量之间的基本关系与变化规律,为系统的优化设计提供了理论依据。最后通过仿真和实验验证了理论分析的正确性。10 k V·A额定实验条件下,整流器功率因数为0.988,输入电流总谐波含量为7.36%,效率为98.7%,系统总重量为4.5 kg,其中自耦变压器重量为3.3 kg。
Multi-pulse rectifier has gained a wide range of applications in the aviation field for many advantages like simple structure, high efficiency, and high reliability. In this paper, an 18-pulse auto-transformer rectifier unit(ATRU) with adjustable output DC voltage was studied, in order to meet the requirements of high power factor and low harmonic pollution of airborne electronic equipment. Firstly, the basic operational principle of the proposed ATRU was analyzed in detail. The essential relationship between the step-up ratio factor and the output DC voltage, the total harmonic current of the input current and the equivalent capacity of the transformer was deduced considerately, which provides a theoretical basis for the optimization design of the system. Finally, the correctness of the theoretical analysis was verified by simulation and experiment. Under the rated condition of 10 k V·A, the rectifier power factor is 0.988, the total harmonic current of the input current is 7.36%, the efficiency is 98.7%, the total weight of the system is 4.5 kg, and the weight of the auto-transformer is 3.3 kg.
Multi-pulse rectifier has gained a wide range of applications in the aviation field for many advantages like simple structure, high efficiency, and high reliability. In this paper, an 18-pulse auto-transformer rectifier unit(ATRU) with adjustable output DC voltage was studied, in order to meet the requirements of high power factor and low harmonic pollution of airborne electronic equipment. Firstly, the basic operational principle of the proposed ATRU was analyzed in detail. The essential relationship between the step-up ratio factor and the output DC voltage, the total harmonic current of the input current and the equivalent capacity of the transformer was deduced considerately, which provides a theoretical basis for the optimization design of the system. Finally, the correctness of the theoretical analysis was verified by simulation and experiment. Under the rated condition of 10 k V·A, the rectifier power factor is 0.988, the total harmonic current of the input current is 7.36%, the efficiency is 98.7%, the total weight of the system is 4.5 kg, and the weight of the auto-transformer is 3.3 kg.
引文
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[14]陈杰,龚春英,陈家伟,等.多脉波整流技术在风力发电中的应用[J].电工技术学报,2012,27(4):131-137.Chen Jie,Gong Chunying,Chen Jiawei,et al.Application of multi-pulse rectification technology in wind power generation[J].Transactions of China Electrotechnical Society,2012,27(4):131-137.
[2]陈根余,卓沛,张斐.18脉波自耦型无源功率因数校正技术[J].通信电源技术,2015,32(5):183-185,263.Chen Genyu,Zhuo Pei,Zhang Pei.Protection of 18-pulse self-coupled passive power factor[J].Communication Power Technology,2015,32(5):183-185,263.
[3]蒋磊磊,毛浪,陈乾宏,等.12k W P型18脉冲自耦变压整流器设计与优化[J].电力电子技术,2012,46(3):4-6.Jiang Leilei,Mao Lang,Chen Qianhong,et al.Design and optimization of 12k W P-type 18-pulse autotransformer rectifier[J].Power Electronics Technology,2012,46(3):4-6.
[4]毛浪,陈乾宏,蒋磊磊.航空用40k W 18脉冲自耦型变压整流器的研究[J].电力电子技术,2011,45(7):114-116.Mao Lang,Chen Qianhong,Jiang Leilei.Study on40k W 18-pulse auto-transformer transformer with air force in aviation[J].Power Electronics Technology,2011,45(7):114-116.
[5]李善庆,陈乾宏,张巍,等.21k W 18脉冲自耦型变压整流器的分析与实现[J].雷达科学与技术,2010,8(4):376-381.Li Shanqing,Chen Qianhong,Zhang Wei,et al.Analysis and realization of 21k W 18-pulse autotransformer transformer rectifier[J].Radar Science and Technology,2010,8(4):376-381.
[6]王冬梅,邹晓渔,戴钱坤.DP型机载大功率18脉冲不对称自耦变压整流器[J].电力电子技术,2013,47(5):65-66,87.Wang Dongmei,Zou Xiaoyu,Dai Qiankun.DP-type airborne high-power 18-pulse asymmetric autotransformer rectifier[J].Power Electronics Technology,2013,47(5):65-66,87.
[7]杨春.DP型18脉冲自耦变压整流器仿真研究及设计[D].南京:南京航空航天大学,2012.
[8]胡文华,宋平岗,George Cheng,等.新型双18脉波整流器的拓扑结构特性[J].高电压技术,2010,36(5):1299-1304.Hu Wenhua,Song Pinggang,George Cheng,et al.Topological characteristics of a novel dual 18-pulse rectifier[J].High Voltage Technology,2010,36(5):1299-1304.
[9]Burgos R,Uan-Zo-Li A,Lacaux F,et al.Analysis and experimental evaluation of symmetric and asymmetric18-Pulse autotransformer rectifier topologies[C]//Power Conversion Conference,Nagoya,2007:1286-1293.
[10]Khan S,Gao Z H,Ali H,et al.Comparative analysis of differential delta configured 18-pulse ATRU[C]//2015 International Conference on Electrical Systems for Aircraft,Railway,Ship Propulsion and Road Vehicles(ESARS),Aachen,Germany,2015:1-6.
[11]Uan-Zo-Li A,Burgos R,Lacaux F,et al.Analysis of new step-up and step-down direct symmetric 18-pulse topologies for aircraft autotransformer-rectifier units[C]//IEEE 36th Power Electronics Specialists Conference,Recife,Brazil,2005:1142-1148.
[12]Fernandes R C,da Silva O P,de Seixas F J M.A family of autoconnected transformers for 12-and 18-pulse converters—generalization for delta and wye Topologies[J].IEEE Transactions on Power Electronics,2011,26(7):2065-2078.
[13]Burgos R,Uan-Zo-Li A,Lacaux F,et al.New step-up and step-down 18-pulse direct asymmetric autotransformer rectifier units[C]//IEEE 36th Power Electronics Specialists Conference,Recife,Brazil,2005:1149-1155.
[14]陈杰,龚春英,陈家伟,等.多脉波整流技术在风力发电中的应用[J].电工技术学报,2012,27(4):131-137.Chen Jie,Gong Chunying,Chen Jiawei,et al.Application of multi-pulse rectification technology in wind power generation[J].Transactions of China Electrotechnical Society,2012,27(4):131-137.