‘Tripped out Feeder’ blamed for power outages

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[www.inewsguyana.com]The Guyana Power and Light (GPL) Company has justified the upsurge in power outages at the weekend, this time casting blame on its F4 Feeder at the Kingston 2 Generating Station and the shutting down of the Demerara Interconnected System.

The outages on Saturday were due to “the tripping of one of two station service transformers at that station. After restarting the system, this feeder was reclosed around 14:34 hours after waiting for any reports of fallen poles and other unusual occurrences, as is standard procedure. However, it tripped again and checking of the lines revealed a burnt cable lug on the feeder pothead at Kingston. Repairs were completed at approximately 17:10 hours. On closing at 17:21 hours, it again tripped and a burnt jumper connection on the line was found at Water and Barrack Streets. After repairing and reclosing the feeder at 18:15 hours, it again tripped and crews found the lines entangled at Main and New Market Streets. The feeder was finally reclosed at 18:35 hours,” GPL said in a press statement.

According to the Company, the station service transformer that was tripping has been isolated, and technicians are carrying out detailed checks.

Meanwhile, the outages experienced on Sunday December 22, were as a result of a shutdown of the power company Demerara Interconnected System.

“This was caused by a stuck starting air valve on a cylinder of the No.3 generating set at our Kingston 2 generating station, leading to a drop in the common control air pressure system and consequent shutdown of the fuel pumps to all of the machines.  With the loss of this, the largest station (36 MW) in our system, all other stations would become overloaded and shut down.  All areas in Georgetown/Greater Georgetown, the East Coast, East Bank, West Bank, and West Coast Demerara were affected,” GPL said.

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