Hybrid solar and fuel fired electrical generating system

Details Hybrid solar and fuel fired electrical generating system Hybrid solar and fuel fired electrical generating system

1997-09-30

1999-01-12

Nguyen, Hoang

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

606418, 60676, F02C 600

Patent

active

058573224

ABSTRACT:
An electric power generation system combines a gas turbine generator with a solar power plant and utilizes the gas turbine exhaust for steam superheating and feed water heating only. The solar heater is only utilized for boiling or evaporation of feed water into steam, the feed water having previously been heated by a downstream portion of the turbine exhaust. In order to balance the disparity between the specific heats of water and steam to thus optimize the system, the steam is superheated by an upstream portion of the turbine exhaust to first drive a high pressure steam turbine and then reheated by the same exhaust over the same temperature range to drive a low pressure steam turbine.

REFERENCES:
patent: 5111662 (1992-05-01), Nicolin et al.
patent: 5444972 (1995-08-01), Moore
patent: 5628183 (1997-05-01), Rice
patent: 5727379 (1998-03-01), Cohn

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