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Power Systems Technical Articles

Our experts continuously work on power systems problems, and we share solutions with Practical Reference Articles.

The main topics are earthing system modeling, power cable ratings, HV/LV electrical design, protective device coordination, and arc flash studies. We cover IEC and IEEE standards.

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1653885507804 1170x585 - Articles - Arc Flash Studies

May 30, 2022

2 mins read

Typical Working Distances for Arc Flash Calculations

One of the main factors determining the severity of an arc flash injury is the proximity of the worker to the arc flash, also known as the working distance. Working distances from AS (ENA), IEEE, NFPA and DGUV Standards and Guides have been provided.

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Arc Flash Draw Out Large Circuit Breaker ELEK Software small 1 1170x585 - Articles - Arc Flash Studies

November 9, 2021

10 mins read

Understanding Arc Flash Hazards

Electrical equipment operating at or above 50 V AC or 120 V DC which will not put into a deenergised state during work must be evaluated for arc flash and shock protection. Three types of activities of workers carry the highest risk of arc flash. Three main factors determine the severity of an arc flash injury.

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