Arc Flash – Hazard and System Grounding
IEEE 1584 Guide Equation for calculation of incident energy has a factor K2 for system grounding. The value of K2 is Ungrounded and high or low resistance grounded systems = …
Lightning Damage to Services
In this article, I have listed the possible damage that lightning strike could impart into structures. In addition to this, lightning could likewise disrupt services. IEC 62305-1 provides a list …
Power Factor Correction and Power System Energy Efficiency
There are so many ways to increase power system energy efficiency. The use of energy-efficient motors, variable speed drives, or energy-efficient lighting is the method to increase power system efficiency. …
Short-circuit apparent power of the system
When doing power systems study, it always the predicament of Electrical Engineers where to get the values of the utility short circuit MVA. I was just talking to a senior …
Life Without Electricity
Imagine a day in the life of a modern man without a mobile or cell phone, moreso without electricity? Let us start from the dawn of a new day. The …