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DC control power can fail for a number of reasons—battery failures, dc control system faults, battery charger failures, testing or maintenance errors—leaving critical equipment without power. If a fault occurs when protection equipment are not energized, even a minor event can lead to damaged equipment, costly repairs and harm to personnel. Redundancy can help prevent a single point of failure in control power systems and help you avoid these outcomes.

During the May 13, 2020, 11:00 a.m. (Pacific) webinar, Senior Application Engineer Austin Wade will discuss the importance of control power reliability for protection, monitoring and control equipment. He will also explain how the new SEL-RPM Redundant Power Module, which combines multiple ac and dc power sources, stores energy to enable breaker tripping and how its ride-through time allows event reports to be saved when needed most. 

Register now to learn how source diversity improves control power supply reliability.