Kelvin’s Law and Minimum Conductor Size
What is Kelvin’s Law? Kelvin’s Law, also known as Kelvin’s Minimum Conductor Size Law, is a principle in Electrical Engineering to determine the optimal size of electrical conductors electrical power …
Selection of the Insulation Level for Power Cables
Insulation Level General Categories Selection of the appropriate insulation level for power cables depends on the phase-to-phase voltage and two general categories shown below: 100% Voltage Level. Cables in this …
Power Cable Shielding – Benefits, Types and Requirements
Power cable shielding is crucial for ensuring safety,electromagnetic interference (EMI), and overall performance, especially at higher voltage levels. Key considerations in power cable shielding (1) Safety. Shielding helps ensure that …
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 …
Hazardous Area Classification Impact on Earthing Systems in Oil & Gas Installations
Hazardous Area Classification Oil & gas installation has areas which are classified as being Zone 1 or Zone 2 according to IEC 60079. With regards to explosion ignition of flammable …