How to Perform an Arc Flash Study – Part 1
Based on the Latest Edition of IEEE 1584: What is an arc flash study sometimes known as an arc flash assessment? Performing an arc flash analysis can be complex enough but the latest edition of IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations has taken it…
Plasma – Modify the Arc Rating or Modify the Incident Energy Calculations? I am frequently asked questions about the application of the 2018 edition of IEEE 1584 – especially electrode configurations and more specifically, about HCB (Horizontal Conductors/Electrodes inside a…
My 1974 IEEE Gray Book from College – Now part of the 3000 Series of IEEE Standards I have been a fan of the IEEE “Color Books” going all the way back to my Senior Year in college – yep,…
290 MW PV Installation in SW Arizona When the 2018 Edition of IEEE 1584 was published last year, one subject was conspicuously absent – DC arc flash. DC power systems are everywhere and include sources such as rectifiers, photo-voltaic installation,…
Arc Flash Duration Defined by Clearing Time of Upstream Protective Device One of the main variables that is part of an arc flash study is the arcing short circuit current. However, going back through the evolution of arc flash calculations,…
History of Arcing Short Circuit Calculations – 1980’s to Now: One of the main variables used for incident energy and arc flash boundary calculations is the arcing short circuit current. How the arcing current is calculated has gone through an evolution beginning back in the 1980’s up through today. The…
Ever since the 2018 Edition of IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations was published a few months ago, people continue to sift through the many changes that have occurred. One of the more significant changes is…
125 kVA – Going, going, gone! After much speculation about the fate of the 125 kVA transformer “exception”, the 2018 Edition of IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations has finally been published and made it official.
It has been sixteen long years since IEEE 1584 – IEEE Guide for Performing Arc-Flash Hazard Calculations was first published in 2002. This standard was highly celebrated back then because for the first time there was an internationally recognized standard…
Don’t Automatically Reset a Circuit Breaker that Trips!: The circuit breaker just tripped. Production is down, alarms are sounding in the background. Panic time. For many, this scenario would mean quickly re-set the circuit breaker and “see what happens.” Not the best idea – the question needs to…
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