全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

大功率工业整流系统直流大电流间接反演与推算

, PP. 269-276

Keywords: 直流大电流间接反演,霍尔传感器,电磁耦合,开关函数,大直流,效率计量,节能

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了解决现有大功率整流系统的直流大电流难以精确测量问题,提出了一种基于阀侧电流间接实现直流大电流波形反演与计算的方法。首先分析现有测量原理及其存在的问题,并通过变压器电磁耦合、开关函数法对交直流电流之间的对应关系进行了推导与分析。在此基础上,给出了基于阀侧交流电流检测实现大直流电流计算的测试方案,并进行相应的仿真与实验研究。仿真与实验研究结果表明了新方案的正确性与可行性,为大功率整流系统进行各供电装备和系统效率核算以及实现节能提供依据。

References

[1]  Siebert A, Troedson A, Ebner S. AC to DC power conversion now and in the future[J]. IEEE Transactions on Industry Applications, 2002, 38(4): 934-940.
[2]  Rodriguez J R, Pontt J, Silva C, et al. Large current rectifiers: State of the art and future trends[J]. IEEE Transactions on Industrial Electronics, 2005, 52(3): 738-746.
[3]  赵清姣, 张贵新, 罗承沐. 直流电子式电流互感器中的一种谐波测量新方法[J]. 高电压技术, 2009, 35(7): 1776-1779. Zhao Qingjiao, Zhang Guixin, Luo Chengmu. New method for measuring harmonics of ECT for DC[J]. High Voltage Engineering, 2009, 35(7): 1776-1779.
[4]  Hu L, Yacamini R. Harmonic transfer through converters and HVDC links[J]. IEEE Transactions on Power Electronics, 1992 , 7(3): 514-525.
[5]  Rice D E. A detailed analysis of six-pulse converter harmonic currents[J]. IEEE Transactions on Industry Applications, 1994, 30(2): 294-304.
[6]  王兆安, 杨君, 刘进军, 等. 谐波抑制与无功补偿[M]. 北京: 机械工业出版社, 2006.
[7]  Ren Shiyan, Zhang Zhijie, Hu Wenyi. Analysis and calculation of systemic error of voltage difference method in the calibration for heavy DC sensors[C]. Proceedings of the Precision Electromagnetic Measure- ments Digest Conference, Washington, DC, USA, 1998: 568-569.
[8]  刘忏斌, 冯公伟, 崔督普, 等. 硅整流所电力设计[M]. 北京: 冶金工业出版社, 1983: 15-33.
[9]  张艳. 光电式直流电流互感器的研制[D]. 武汉: 华中科技大学, 2005.
[10]  张自驰, 张国钢, 耿英三, 等. 磁传感器阵列测量大电流实验系统[J]. 电力系统自动化, 2007, 31(18): 77-81. Zhang Zichi, Zhang Guogang, Di Yingsan, et al. A high current measurement experimental system using magnetic sensor arrays[J]. Automation of Electric Power Systems, 2007, 31(18): 77-81.
[11]  徐雁, 朱凯, 张艳, 等. 直流光电电流互感器运行及分析[J]. 电力系统自动化, 2008, 32(13): 97-100. Xu Yan, Zhu Kai, Zhang Yan, et al. Operation and analysis of direct current optical-electronic current transformer[J]. Automation of Electric Power Systems, 2008, 32(13): 97-100.
[12]  张艳, 陈金玲, 张明明, 等. 一种新型传感结构的光学直流电流传感器[J]. 中国电机工程学报, 2009, 29(3): 121-127. Zhang Yan, Chen Jinling, Zhang Mingming, et al. Optics direct current sensor with novel sensing structure[J]. Proceedings of the CSEE, 2009, 29(3): 121-127.
[13]  宋晓. 基于变压器电磁耦合瞬态模型的三相桥式整流电路的换相分析[J]. 变压器, 2009, 46(12): 24-28. Song Xiao. Phase conversion analysis of three-phase bridge rectifier circuit based on electromagnetic coupling transient transformer model[J]. Transformer, 2009, 46(12): 24-28.
[14]  Mombello E E, Moller K. New power transformer model for the calculation of electromagnetic resonant transient phenomena including frequency-dependent losses[J]. IEEE Transactions on Power Delivery, 2000, 15(1): 167-174.
[15]  王钢, 李志铿, 李海锋, 等. HVDC换流器等值谐波阻抗的计算方法[J]. 中国电机工程学报, 2010, 30(19): 64-68. Wang Gang, Li Zhikeng, Li Haifeng, et al. Calculation method of harmonic equivalent impedances of HVDC converter[J]. Proceedings of the CSEE, 2010, 30(19): 64-68.
[16]  Hu Lihua, Morrison R E. The use of modulation theory to calculate the harmonic distortion in HVDC systems operating on an unbalanced supply[J]. IEEE Transactions on Power Systems, 1997, 12(2): 973-980.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133