Gas-turbine and steam-turbine based electric power generation sy

Details Gas-turbine and steam-turbine based electric power generation sy Gas-turbine and steam-turbine based electric power generation sy

1994-01-19

1996-12-03

Stephan, Steven L.

Prime-mover dynamo plants

Plural prime mover

Plural prime movers with fluid interconnection

290 52, 60 3912, 60 39, 60 82, F01D 1510, F02C 600, F02B 4502, F01K 2300

Patent

active

055811280

ABSTRACT:
An electric power generating system employing a gas turbine (1) and a steam turbine (5) and a gasifier (9) supplying fuel-gas to the gas turbine (1) and to a steam generating fluidized bed combustor (37), the latter providing steam for the steam turbine (5). An auxiliary steam turbine (21), driving an electric generator (22), is also supplied by the circulating fluidized bed combustor steam generator (37). Since the gasifier (9) cannot be reversibly turned down easily, on a fall in load on the main steam turbine (5), the excess steam generated is diverted to the auxiliary steam generator (21) and the gasifier (9) kept running efficiently.

REFERENCES:
patent: 3374621 (1968-03-01), Pacault et al.
patent: 3986348 (1976-10-01), Switzer, Jr.
patent: 4132065 (1979-01-01), McGann
patent: 4282708 (1981-08-01), Kuribayashi et al.
patent: 4631915 (1986-12-01), Frewer et al.
patent: 4896498 (1990-01-01), Knizia
patent: 4996836 (1991-03-01), Reh et al.

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