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Cowes Power Station
Kingston Road, East Cowes, Isle of Wight, UK
associated engineer
Not known
date  1982
era  Modern  |  category  Power Generation  |  reference  SZ503944
An open-cycle gas turbine power station, with a quick start-up and synchronous compensation facility.
Cowes Power Station has two 70MW generators, with a total output of 140MW available 3-5 minutes from shutdown. The generators are flanked by power turbines at either end, each connected to a pair of Rolls-Royce Olympus gas turbine engines powered by light fuel oil.
The turbine engine shafts rotate (started by motors), drawing air into their combustion chambers, where it is compressed and mixed with a mist of oil. This mixture is ignited and the expanding gases drive the engines. The hot exhaust gas from the engines then turn the power turbines, which in turn operate the generators and produce electricity.
With all engines running at maximum capacity, the fuel consumption is 762 litres per minute. Oil is delivered by tankers, usually from the sea, and is stored in four tanks on site.
Dust-free air to cool the generators and supply the combustion chambers is drawn in through filtered intakes at roof level. The waste exhaust gases are discharged from two 80m high chimneys.
Cowes Power Station is owned and operated by RWE npower. In November 2009, it recorded 20 years without any ‘lost time’ accidents.
The station’s day-to-day running is done by three staff members, with additional remote operation and engineering support from Fawley Power Station in Hampshire.
Generator supply: C.A. Parsons & Co
Research: ECPK
"Condition Assessment Evaluation & Planned Design Improvements for the Cowes Generator" by William G. Moore, P.E., National Electric Coil, USA, undated, document in PDF available on www.national-electric-coil.com

Cowes Power Station