Artículos técnicos

Brainfiller Library

¡Feliz 11 de agosto! (y llama antes de cavar)

Happy August 11! (and call before you dig): Today is a special day. August 11 – Also known as 8 11 (unless you use the format day/month) What is so special about 811? 8-1-1 is the telephone number that you use to find underground utilities before you dig.

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Warning Label - Arc Flash Shock Hazard Appropriate PPE Required

Etiquetas de arco eléctrico: ¡simplificadas!

“What do you mean we need to relabel the electrical equipment? Didn’t we just do this a few years ago?” This is a pretty common response when addressing the requirements of NFPA 70E 130.5(2), which necessitate that the arc-flash risk…

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Seguridad eléctrica eólica y solar

Seguridad eléctrica eólica y solar: a la altura de las circunstancias. Hace unos meses, regresaba a casa en coche desde el área de Los Ángeles y, de repente, me encontré rodeado de miles de turbinas eólicas a ambos lados de la Interestatal 10. Aunque he hecho este viaje muchas veces antes, todavía estoy asombrado por la escala de todo esto. Mirando a través de mi

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Errores de distancia de trabajo en un estudio de arco eléctrico

The term “working distance” appears 20 times in the 2012 Edition of NFPA 70E, the Standard for Electrical Safety in the Workplace. It appears 12 more times in the annexes. The working distance is an important component of the arc flash hazard analysis and is frequently listed on arc flash warning labels and in the arc flash report. IEEE 1584—IEEE Guide for Performing Arc Flash Hazard Calculations 2002 defines the working distance as “the dimension between the possible arc point and the head

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FREE Download Arc Flash Hazard Calculation Guide

Cómo realizar un estudio de arco eléctrico

How to Perform an Arc Flash Study: What started as a slow drip a decade ago has turned into something more like a tidal wave. I’m not talking about a leaky faucet or a failing dam; I am referring to arc flash studies. Years ago, only a…

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Capacitación sobre arco eléctrico: cómo mantener actualizadas las habilidades en una economía en crisis

Electrical Power Training and Arc Flash Training remain even more important in a down economy. What if you had been stranded on a deserted island for the past five years? By the time you were rescued, you would have missed the explosion of social media usage, including Facebook, YouTube and Twitter, as well as advancements in smart grids and wind and solar energy—it would be more than you could imagine. You may think, “How could the industry have changed so

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Uso de datos correctos de servicios públicos de electricidad para un estudio de arco eléctrico

One of the first steps in performing an arc flash calculation study is to request short-circuit data from the electric utility company. This kind of request is pretty routine, and utilities have been providing this type of data for short-circuit studies for years. The problem is the data used for a short-circuit study may not be suitable for an arc flash study. Is infinite bus the worst case? Many utilities provide what is known as an “infinite bus” value of

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