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Enfield, England

The combined cycle at Enfield, on the rural northern fringe of London, was the first example of the GT26B to come into service and was the first to be modified to cure the overheating problem in the second stage LP turbine shroud. This single-​shaft block of ALSTOM Power’s GT26B is built on the site of a former coal-​fired power station and it is the leading unit of the type in operation. The steam turbine drives through an SSS Clutch to a 400 MVA 23 kV hydrogen-​cooled generator. This is stepped up to 132 kV and output by cable to the existing Enfield substation next door to the site.

Combined cycle gas turbine power planticon_backto