High Voltage Arc Flash Assessment and Applications Part 2
Part 1 of this article, which was the cover story in the previous issue of NETA World, explored the need for high-voltage arc flash (HVAF) assessment to protect utility workers …
High Voltage Arc Flash Assessment and Applications
Arc flash assessment based on IEEE 1584 has limitations with respect to the voltage. The voltage range applicable to IEEE 1584-2018 remains unchanged at 208V through 15kV. Low voltage range …
Importance of Standards in Engineering Design
What are Standards? Standards are foundational framework for technology development. Standards make your life easier. From device to device, network to network, across borders, and around the world, almost all …
IEEE Transformers Categories
There are four (4) categories of transformers according to IEEE Std. C57.12.00 – IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers. Categories of Transformer Rating Category …
Equipment Selection – Metal-clad or Metal-enclosed Switchgear
Introduction It is the Electrical Engineer’s responsiblility to select electrical equipment. The choice between metal enclosed and metal-clad switchgear is a decision for the Electrical Engineer to make. Metal-clad switchgear …
IEEE C57.12.00 – Preferred Continuous kVA Ratings of Transformers
The rated kVA of a transformer shall be the output that can be delivered for the time specified at rated secondary voltage and rated frequency without exceeding the specified temperature-rise …