Starting arrangement for combined air and gas turbine power plan

Details Starting arrangement for combined air and gas turbine power plan Starting arrangement for combined air and gas turbine power plan

1976-05-28

1977-08-23

Croyle, Carlton R.

Power plants

Combustion products used as motive fluid

Different fluids

60 3918C, 60 3951R, F02C 726, F02C 318

Patent

active

040431207

ABSTRACT:
A gas-turbine plant of the air-storage type comprises a multi-stage gas-turbine having high and low pressure sections, a flow medium heating device located between the high and low pressure sections of the gas-turbine, a dynamoelectric machine coupled to the gas-turbine, a compressor also coupled to the dynamoelectric machine and an air-storage tank connected between the compressor outlet and the inlet to a heat exchanger heated by exhaust gas from the gas-turbine and through which the medium flows to the high pressure section of the gas-turbine. Two control valves are located in the outlet piping for the flow medium from the heat exchanger which are set to permit the high pressure section of the gas-turbine to be by-passed and the flow medium delivered directly to the heating device during starting of the gas-turbine whereas after the heat exchanger has been heated to between 50 and 100% of its mean operating temperature, the control valves are re-set so as to again permit all of the flow medium to be delivered to the high pressure stage of the gas-turbine.

REFERENCES:
patent: 2467167 (1949-04-01), Traupel
patent: 2651911 (1953-09-01), Sterland
patent: 3869857 (1975-03-01), Margen

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