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Protection of the Neutral Conductor
Posted By: Ver Pangonilo on May 20, 2017 under Design, Harmonics, IEC
Overload detection shall be provided for the neutral conductor in a multi-phase circuit Where the cross-sectional area of the neutral conductor is less than that of the line conductors. The overcurrent detection for the neutral…
Power Electronics Converter Harmonics: Multipulse Methods for Clean Power
Posted By: Ver Pangonilo on May 17, 2017 under Book Review
Power Electronics Converter Harmonics: Multipulse Methods for Clean Power Derek A. Paice Harmonics generating non-linear electrical equipment is here to stay. There will be more non-linear equipment to be installed to serve as solutions to…
Arc Flash – Hazard and System Grounding
Posted By: Ver Pangonilo on May 6, 2017 under Design, IEEE
IEEE 1584 Guide Equation for calculation of incident energy has a factor K2 for system grounding. It is zero for ungrounded and high or low resistance grounded systems and −0.113 for the solidly grounded (earthed)…
Arc Flash – Simplified Two-Category Clothing
Posted By: Ver Pangonilo on May 4, 2017 under Design, IEEE, Safety
The 2015 edition of NFPA 70E has a simplified approach to provide minimum PPE for electrical workers within facilities with large and diverse electrical systems. The simplified clothing categogies listed in NFPA 70E 2015 Table…
Arc Flash – Incident Energy at Working Distance
Posted By: Ver Pangonilo on April 29, 2017 under IEEE
From the previous article, the arcing current Ia was calculated from the bolted fault current. With the arcing current already known, the incident energy can then be calculated. To determine the incident energy using the…
