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Engine problems prompt unscheduled outages
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Posted on Jul 23 2008
Mechanical and electrical problems with two of Power Plant 1’s large engines prompted the expansion of the load shedding schedule on July 22 and July 23 to include other previous unscheduled areas of the grid.
The Commonwealth Utilities Corp. cited equipment failures, mainly with a faulty fuel injector and exhaust valve, as the reason for the July 22 outage. Repairs were expected to be completed yesterday evening, the agency said in a statement.
Also yesterday at 9am, Engine No. 6 was manually tripped as a result of mechanical problems on the cylinder head, CUC said. The repair of the unit was immediately initiated by the plant staff and was completed at 11:55am.
A mechanically-challenged cylinder head was blamed for the 9am outage yesterday. Repairs were immediately made by plant staff and power was restored in less than three hours.
Power Plant IV’s Unit 10 was back online last night after a lube oil leakage from the crankcase compartment and a defective power pack were resolved, CUC said. [B][I](Caroline Lochabay)[/I][/B]
