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Calibration of a 3 MV LI measuring system by comparison method and by numerical convolution using its measured step response

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2 Author(s)
Breilmann, W. ; Darmstadt Univ. of Technol., Germany ; Haupt, H.

The dynamic errors of peak value uˆ, front time T1 and time to half value T2 of an approved 3 MV LI (lightning impulse) measuring system were experimentally determined for two standard LIs with uˆ=500 kV, T1=1.2 μs±20% and T2=60 μs by two different methods. The first method is according to the comparison of an Approved Measuring System with a 500 kV Reference Measuring System. The second method is the convolution of the normalized step response g(t) of the 3 MV system with the standard LI input voltage measured with the Reference Measuring System. Agreement within 0.5% for uˆ and within 1.2% for T1 and T2 was achieved

Published in:

High Voltage Engineering, 1999. Eleventh International Symposium on (Conf. Publ. No. 467)  (Volume:1 )

Date of Conference:

1999