SEL-787 Transformer Protection Relay Major Features and Benefits The SEL-787 Transformer Protection Relay provides unsurpassed protection, integration, and control features in a flexible, compact, and cost-effective package. ➤ Standard Protection Features. Two-winding dual-slope differential protection ...
➤ Added manual closing voltage check conditions and voltage difference supervision to the synchronism-check elements. ➤ Introduced the 51SAT setting to enable or disable time-overcurrent curve saturation. ➤ Introduced the AUTO2 directional control setting for systems with a weak negative-...
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which ...