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Power substation magnetic field measurement using digital signal processing techniques

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4 Author(s)
Shun-Li Lu ; Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan ; Lin, C.E. ; Ching-Lien Huang ; Tsung-Che Lu

In this paper, a method is presented for measurement of power frequency magnetic fields due to distorted sinusoidal currents in power systems. The proposed method is an integral approach and consists of a multi-rate digital signal processor, an adaptive filter and an overlap processor. In field test, actual test results are accomplished by a standard area-type measurement setup to identify and characterize magnetic fields distribution of a 69 kV SF6-gas insulated substation (GIS) using the proposed method

Published in:

Power Delivery, IEEE Transactions on  (Volume:14 ,  Issue: 4 )