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Description / Abstract:
This Code applies to combined cycle power plants (power blocks)
that operate in conjunction with a gasification plant, an IGCC
power plant, or an IGCC cogeneration plant.
This Code does not apply to power blocks other than those
associated with IGCC plants. This Code is applicable to the
combined cycle power block of IGCC power plants, whereas ASME PTC
46 is applicable to conventional combined cycles. The thermal
streams and corrections in ASME PTC 46 for conventional combined
cycles are normally limited to gas or liquid hydrocarbon fuel input
and steam or water input. In ASME PTC 47.4, test measurements and
associated corrections are needed to address multiple thermal
streams such as heated hydrocarbon syngas fuel input, water and
steam inputs from gasification process units, nitrogen input from
the air separation plant, and air extraction to the air separation
plant.
Emissions tests, operational demonstration tests, and
reliability tests are outside the scope of this Code.