摘要:
A method for improving partial load efficiency in a gas turbine engine including a compressor, burners, a high pressure turbine and a low pressure turbine; including the step of operating the gas turbine engine by regulating at least: air mass flow rate and flame temperature; regulation is carried out by controlling at least: the air mass flow rate supplied to the combustion chamber from the compressor, and the number of operating burners, and the change in enthalpy drop between the high and low pressure turbine to control the air mass flow rate.
摘要:
A drainage apparatus (1) for a motorcompressor (2) comprises a first pipe (10) with a first end (10a) configured to be inserted in a drainage sump (9) of a motorcompressor (2); a second end (10b) configured to be connected to a duct (4) of a stage (3) of the motorcompressor (2); a device (13) for generating a pressure difference between said second (10b) and said first end (10a) so that liquid is taken from said drainage sump (9) and delivered into said duct (4).
摘要:
A subsea assembly (10) comprising an electric subsea machine (1) having an electric motor (2) driving an operator (3), and a coolant circuit (4) at least partially located in thermal contact with the electric motor (2), the coolant circuit including a cooling assembly (5) located externally from the subsea machine (1), the cooling assembly comprising at least a heat transfer element (6), the subsea machine (1) and the cooling assembly (5) being supported by a common supporting frame (7); at least a part of the heat transfer element (6) is integrated in the frame (7).
摘要:
The present invention concerns a motor-compressor unit, particularly a subsea motor-compressor unit comprising, housed in a single casing, a compressor and a motor, further comprising, inside said casing, a washing apparatus connectable to an external source of a washing agent for selectively washing specific target areas of said motor-compressor unit.
摘要:
A cooling system for cooling an integrated, high pressure, motorcompressor unit, the cooling system including a second motorcompressor unit and at least a first duct fluidly connecting a process fluid connection point located at the second motorcompressor unit to at least one process fluid injection point located at the first motor area of the first motorcompressor unit.
摘要:
The gas turbine system (1) comprises an aeroderivative gas turbine engine (2) and a load (3) having a shaft line (6) drivingly coupled to the gas turbine engine (2). The gas turbine engine (2) comprises a high-pressure turbine section (61) and a high-pressure compressor section (19), drivingly coupled to one another by a first turbine shaft (91). The gas turbine engine (2) further comprises an intermediate-pressure turbine section (63) and a low-pressure compressor section (17), drivingly coupled to one another by a second turbine shaft (92), coaxial to the first turbine shaft (91). Furthermore, a combustor section (13) is provided, fluidly coupled to the high-pressure compressor section (19) and to the high-pressure turbine section (61). A free power turbine (81), supported by a third turbine shaft (93) which is mechanically uncoupled from the first turbine shaft (91) and the second turbine shaft (92), and is directly coupled to the shaft line (6), such that the shaft line (6) and the third turbine shaft (93) rotate at the same rotational speed. The free power turbine is adapted to generate a mechanical power rating of at least 65MW under ISO day conditions.
摘要:
A casing for a subsea compressor comprises a main body having a central axis; a plurality of interconnection flanges attached to the main body; wherein the main body comprises an inner layer made of corrosion resistant material; an outer layer applied over the inner layer and made of a composite material; wherein the outer layer extends along the entire length of said main body.
摘要:
The invention relates to a method and apparatus for assembling nozzles 31 between buckets 41,42 of a turbine, particularly a gas turbine, in which a temporary fixing of the nozzles 31 to the buckets 41,42 during the assembly is provided.