Utility Dive: ConEd says its analysis of Saturday's blackout will continue, but preliminary conclusions point to the failure of a system designed to detect electrical faults, and then direct circuit breakers to isolate and de-energize those faults.
"The relay protection system is designed with redundancies to provide high levels of reliability," ConEd said in a statement Monday afternoon. In this case, the utility said, primary and backup relay systems failed to isolate a faulted 13 kV distribution cable at West 64th Street and West End Avenue.
The most significant government policy, business, and technology news and analysis delivered to your inbox.
Subscribe Nowi360Gov is an intelligent network of websites and e-newsletters that provides government business, policy and technology leaders with a single destination for the most important news and analysis regarding their agency strategies and initiatives.
Telephone: 202.760.2280
Toll Free: 855.i360.Gov
Fax: 202.697.5045
The most significant government policy, business, and technology news and analysis delivered to your inbox.
Subscribe Now