Convert 9745 Analog Teleprotection Equipment to Operate Over T1 Leased Lines

Posted by Brian Dob on Aug 20, 2018 2:05:00 PM

The Scenario

Telephone companies will no longer support audio leased lines starting as early as 2015. This presents an issue for utilities currently operating their RFL 9745 equipment with an analog communications interface. In some scenarios, full or fractional T1 leased digital data service lines are available for a nominal monthly fee. Utilities are looking for a path forward that minimizes operational impact, requires little engineering, and assures comparable security & dependability for their protection signalling.

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Topics: Automation

First Foray Into Distribution Automation

Posted by Hubbell Power Systems on Mar 7, 2018 4:53:00 PM

"In the old configuration, if we lost either feeder, 750-800 customers were without power until a trouble-crew drove out to open and close the switches to isolate the outage and restore power," shared the utility.

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Topics: Distribution, Automation