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Evaluation and identification of critical zones due to sag activity
This paper proposes a methodology to identify critical zones in electric distribution systems due to sag activity. The methodology is based on the acquisition of Power Quality (PQ) information inExpand
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Developing a PQ monitoring system for assessing power quality and critical areas detection
This paper outlines the development of a power quality monitoring system. Expand
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Fault zones location on distribution systems based on clustering of voltage sags patterns
A new methodology for estimation of voltage sags patterns and clustering of fault zones in high and medium voltage electric is presented. The proposed methodology comprises three stages. First,Expand
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Characterization of non-linear household loads for frequency domain modeling
Component-based harmonic studies in public Low Voltage grids require realistic models of individual loads as well as their typical penetration ratios. As fundamental basis for the development ofExpand
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Web based management system for power quality assessment and detection of critical zones
The implementation of a web system information management for assessment of power quality indices and detection of critical zones on a distribution system is proposed. Expand
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A new methodology for the comparative analysis of sags among substations in a distribution network in Colombia
In this paper, a new methodology to achieve comparative analysis of sags among substations in large distribution networks is proposed. The proposed methodology consists in three stages as follows.Expand
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Determination of sag disturbing and sag vulnerable zones in a distribution network using stochastic fault simulation
This paper proposes a methodology to predict the sags level caused by faults that may affect users in a distribution network. The methodology determines the trend of the possible fault location, theExpand
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Estimation of voltage sags patterns with k-means algorithm and clustering of fault zones in high and medium voltage grids
This paper proposes k-means clustering algorithm to identify voltage sags patterns and group fault zones with similar impact in high and medium voltage electric. The proposed methodology comprisesExpand
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Harmonic distortion in public low-voltage grids Comparison of the situation in Colombia and Germany
Current and voltage harmonic levels in LV grids depend not only on the harmonic emission of non-linear loads, but also on the characteristics of the grid and the voltage distortion of the upstream grid. Expand
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Assessment of risk factors and harmonics incidence based on the epidemiological methodology
A methodology based on epidemiological analysis for assessing risk factors and harmonic distortion incidence rate in a distribution network is proposed in this paper. The methodology analyzes theExpand
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