Article 215 covers the installation, conductor sizing, and overcurrent protection requirements for feeder conductors not over 1,000VAC or 1,500VDC (Fig. 1). Fig. 1 ...

REF615R is a dedicated feeder IED aligned for the protection, control, measurement and supervision of utility substations and industrial power systems, providing customers with a 19-inch rack mount ...

Q. When is ground fault protection of equipment required for feeder circuits? A. Each feeder disconnecting means rated 1,000A or more supplied by a 4-wire, 3-phase, 277/480V wye-connected system must ...

The 5-inch, 800-by-480-pixel color touchscreen display lets users seamlessly navigate to the various folders and application options. Users can create custom bay screens exhibiting one-line diagrams, ...

Lightning is one of the major causes of poor performance by medium-voltage overhead lines in distribution networks. On some Eskom medium-voltage networks, for example, up to 78% of equipment failures ...

Schweitzer Engineering Laboratories, Inc. (SEL) has added an optional touchscreen display to the SEL-751 Feeder Protection Relay that allows users to easily navigate settings options and create custom ...