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 IEEE – 135 Years and going strong!: I was at the IEEE PCIC Conference in Vancouver, British Columbia last week where I had the privilege of being part of the first presentation with three great colleagues (actually thee great friends) The topic was the new IEEE 1584…
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…
By: Rebecca Frain – Managing Director, Electrical Safety UK, Rotherham, England – A Brainfiller, Inc. Strategic Partner. Recently I had the opportunity to interview Jim Phillips regarding the new IEEE 1584 standard and what to expect with some of the…
Just Published – IEC 61482-1-1: It is once again a privilege to announce the recent publication of IEC 61482-1-1:2019 Live working – Protective clothing against the thermal hazards of an electric arc – Part 1-1: Test methods – Method 1: Determination of the arc rating…
UK’s Electrical Review – 2018 Edition of IEEE 1584 – Major Changes: One of my latest articles regarding the new 2018 IEEE 1584 Standard was recently published in the United Kingdom’s premier publication Electrical Review. In this article I take you through the major changes to new IEEE 1584 Standard – IEEE…
I just returned from a CENELEC TC78 Live Working Standards meeting in Brussels, Belgium a few days ago and it occurred to me that many people may not know what CENELEC is – or does. CENELEC is the European Committee…
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…
The most frequently asked question that I receive regarding the 2018 edition of IEEE 1584 is: “How do I determine the electrode configuration?” The 2002 edition was based on arc flash tests with the electrodes oriented in a vertical configuration.
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