G.M. Hashmi

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In this paper, EMTP/ATP simulation environment is used to model on-line single-phase partial discharge (PD) measuring system using Rogowski coil for the monitoring of falling trees on the covered-conductor (CC) overhead distribution lines. The CC is modeled as a distributed parameters line and Rogowski coil is modeled based on its equivalent circuit as a(More)
At present, it is unusual to operate machines at fixed speed throughout their operating lives. The need to adjust speed depends upon the load demand, load fluctuations, or for improving machine efficiency. This realization of the need of adjustable speed drives (ASDs) has led to rapid growth in this area. The emergence of semiconductor based control devices(More)
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