Current sensing has become an essential part of the protection scheme in many circuits. By measuring the current, a myriad of different protection methods can be implemented. It is a good preventive ...

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 ...

Schweitzer Engineering Laboratories, Inc. has announced three new additions to the popular SEL-787 family of differential protection relays, providing low-cost, versatile transformer differential ...

Thanks to ongoing innovations in technology, electrical engineers' approach to motor protection has changed over the years. The traditional strategy to large AC motor protection (e.g., over 500 hp), ...