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			· ISSN: 1931-7360



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PIERS Online Vol. 3 No. 6 2007 pp: 905-910

Shielding Design for Power Frequency Magnetic Field Produced by Substations

Haiyu Yu, Li Hao, and Jiansheng Yuan

doi:10.2529/PIERS060907210939

[PDF Full Text (321 KB)]
Downloads: 1574

Abstract:

Some sensitive devices located upon substations may be interfered by the magnetic field caused by the transformers, cables and buses. Shielding is necessary in some cases to overcome this electromagnetic interference. The shielding design for a substation is presented in this paper, which is based on the calculation of magnetic field and shielding effectiveness. As a result, the best shielding effectiveness can reach 98.3%, and the value of the magnetic field in the location of the sensitive devices can be reduced to meet the demand of the electromagnetic environment.

References:

1. IEC 61000-4-8:1993, Electromagnetic Compatibility (EMC) - Part 4: Testing and Measurement Techniques - Section 8: Power Frequency Magnetic Field Test, Basic EMC Publication.

2. Buccella, C., M. Feliziani, and A. Prudenzi, "Active shielding design for a MV/LV distribution transformer substation," Electromagnetic Compatibility, 2002 3rd International Symposium, 350-353, May 21-24, 2002.

3. Garzia, F. and A. Geri, "Active shielding design in full 3D space of indoor MV/LV substations using genetic algorithm optimization," Electromagnetic Compatibility, 2003 IEEE International Symposium, Vol. 1, 197-202, Aug. 18-22, 2003.