A new shunt DC active filter of power supply in a steady high magnetic field facility

WANG Lei; LIU Xiao-Ning; WANG Can

doi:10.1088/1674-1137/35/5/018

Chinese Physics C> 2011, Vol. 35> Issue(5) : 494-499 DOI: 10.1088/1674-1137/35/5/018

A new shunt DC active filter of power supply in a steady high magnetic field facility

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Abstract：
A DC active power filter is an indispensable part in a high power and high stability power supply system, especially in the power supply system of the Steady High Magnetic Field Facility, which requires that the current ripple should be limited to 50 parts per million. In view of the disadvantages of the series DC active power filter and shunt Pulse Width Modulation DC active filter, this paper puts forward a novel DC active filter by combining the advantages of the transistor regulator and the shunt type. The structure and principle of the new shunt linear active filter are introduced. Meanwhile, the design of several key components that construct the new shunt linear active filter is also analyzed. The simulation model and an experimental prototype of the shunt linear active filter are developed, and the results verify that the parameter design is reasonable and the shunt active filter has a good filter effect.

References

[1]

High Magnetic Field Facility Project Proposal, 2007 (in Chinese)2 Masaaki sakui. IEEE Transactions on Power Electronics, 1994, 9(6): 6313 Aubert G, Jongbloets H M, Joss W. IEEE Transactions on Magnetics, 1994, 30(4): 15414 Masaru Tezuka, Tetsuya Kojo, Masaji Naito. IEEE Trans- actions on Magnetics, 1996, 32(4): 24905 Peremboom J A A J, Maan J C. Wiegers S A J. IEEE Transactions on Applied Superconductivity, 2004, 14(2): 12766 Heinrich J.Boenig, James A.Ferner et al. IEEE Transac- tions on Magnetics, 1994, 30(4):17747 MA Xiao-Liang§WANG Bin-Yuan. Transaction of China Electro Technical Society, 2005, 25(17): 11 (in Chinese)8 LI Kuang, LIU Jin-Jun, XIAO Guo-Chun. IEEE Trans on Nuclear Science, 2006, 53(3): 15309 SONG Liang-Yu. Research of Harmonic Compensation Control System in DC Hybrid Active Power Filter. Tian- jing: Tianjin University, 2004, 37 (in Chinese)10 ZHOU Zu-Sheng, CHI Yun-Long et al. Chinese Physics C (HEP NP), 2010, 34(3): 40211 WANG Lei. Research of Active Filter for High power and High stability Power Supply. Beijing: Chinese Academy of Sciences, 2010, 108 (in Chinese)12 WANG Lei, LIU Xiao-Ning. Nuclear Fusion and Plasma Physics, 2008, 28(3): 252 (in Chinese)

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WANG Lei, LIU Xiao-Ning and WANG Can. A new shunt DC active filter of power supply in a steady high magnetic field facility[J]. Chinese Physics C, 2011, 35(5): 494-499. doi: 10.1088/1674-1137/35/5/018

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Received: 2010-07-06
Revised: 2010-09-28

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沈阳化工大学材料科学与工程学院沈阳 110142

A new shunt DC active filter of power supply in a steady high magnetic field facility

Received Date: 2010-07-06
Accepted Date: 2010-09-28
Available Online: 2011-05-05

Abstract: A DC active power filter is an indispensable part in a high power and high stability power supply system, especially in the power supply system of the Steady High Magnetic Field Facility, which requires that the current ripple should be limited to 50 parts per million. In view of the disadvantages of the series DC active power filter and shunt Pulse Width Modulation DC active filter, this paper puts forward a novel DC active filter by combining the advantages of the transistor regulator and the shunt type. The structure and principle of the new shunt linear active filter are introduced. Meanwhile, the design of several key components that construct the new shunt linear active filter is also analyzed. The simulation model and an experimental prototype of the shunt linear active filter are developed, and the results verify that the parameter design is reasonable and the shunt active filter has a good filter effect.