What is ground-fault protection? The answer depends on whether you are talking about ground-fault protection of equipment or ground-fault protection of people. Just because ground-fault protection is ...

Utilities face growing pressure from industry regulators to increase network reliability. As such, electricity supply reliability indicators, namely the system average interruption duration index ...

Medium-voltage motors are critical to a facility’s power system. Not only are they expensive, but their failure can have crippling, long-lasting impacts on a plant’s operation. As such, properly ...

Created to protect personnel from electric shock, GFCI-type operations now help protect equipment as well. • Ground-fault sensing now protects equipment as well as personnel. • The magnitude of ...

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 ...