To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

The provisions of Art. 700 apply to the installation of emergency systems. Part VI of this Article covers the overcurrent protection requirements for these systems. As per Sec. 700.27, "The alternate ...

The methods of protecting electronics from circuitry failures and managing inrush current at power on has evolved significantly from a simple fuse and maybe a P-channel FET to much more sophisticated ...

Power systems today operate in an environment where reliability and safety must be maintained despite rising loads, expanding interconnections, and increasing dependence on distributed energy ...

Editor’s note: I am happy to present this month’s author for this Signal Chain Basics blog, John P. Griffith, who is a systems engineer for the Interface group at TI. This article focuses on the ...

Electrical standards for PV systems: In part one of this series we looked at the background and scope of the U.S. National Electrical Code (NEC). We continued with a survey of 2011 NEC coverage of ...

Duke Energy is evaluating the use of a point to point digital secondary system to reduce the amount of copper utilized in traditional substation protection designs. Physically large substations with ...

DC microgrids have emerged as a vital component in modern power system architectures, particularly for integrating renewable energy sources and distributed generation. These systems offer improved ...

Since the early days of electric power systems, protection has been essential for the operation and safeguarding of power system assets as well as the safety of its users. Developed for the ...