David Ferreira

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-This paper proposes an extended and unified impedance-based fault location method which accounts for the inherent characteristics of distribution systems (unbalanced operation, presence of intermediate loads, laterals, and timevarying load profile). The technique is developed using phasecomponent analysis, and uses only local voltages and currents as input(More)
This paper presents a new computer-aided design tool specifically developed for the efficient time-domain simulation of strongly nonlinear heterogeneous RF circuits whose stimuli are turned off for unknown periods of time, hence leaving the systems in a natural response state. The proposed technique is implemented in a completely different approach in(More)
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