Point-on-Wave (PoW) Switching
Definition Point-on-Wave (PoW) switching is a technique used in power systems to control the precise timing of circuit breaker operations in relation to the waveform of the alternating current (AC) …
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 …
Electrical Static Charges and the Need for Bonding
What are Static Charges? Static electricity refers to the accumulation of electric charge on the surface of objects. It occurs when two materials come into contact and then separate, transferring …
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 …