Wavelet-based Analysis of Impulse Grounding Resistance-Experimental Study of the "A"-type Grounding System
Wavelet-based Analysis of Impulse Grounding Resistance-Experimental Study of the "A"-type Grounding System
- New search for: Veledar, Meludin
- New search for: Veledar, Meludin
- New search for: Avdakovic, Samir
- New search for: Bajramovic, Zijad
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This article presents the results of experimental investigation concerned with the "A"-type grounding system's impulse characteristics, which are utilized for grounding of high-voltage transmission line towers. The investigation results point to the presence of high-frequency components in voltage and current signals that are not caused by tower footing response to the impulse current. Additionally, both surge generator coupling and measuring circuit remain their main source. High-frequency components of signals are extracted from voltage and current signals by means of the discrete wavelet transform. In addition to being external influence results, the extracted components have very low energy content as well as short duration. The discrete wavelet transform analysis application has validated the existence of external influences.
Document information
Wavelet-based Analysis of Impulse Grounding Resistance-Experimental Study of the "A"-type Grounding System
Electric power components and systems ; 43 , 19
2015
Article (Journal)
English
power system analysis , measurement uncertainty , Electricity distribution , high-voltage engineering , electromagnetic compatibility , Electrical currents , Generators , coordination of insulation in power system , electromagnetic transients , power system dynamics and stability , insulation techniques , testing methods , Frequencies , Wavelet transforms , high-voltage equipment
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