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Power generation unit and method for operating such a power generation unit

A technology for generating units and generators, which is applied in the direction of electrical components, engine components, engine cooling, etc., and can solve the problems that simple cycle equipment is not feasible

Inactive Publication Date: 2016-06-15
ANSALDO ENERGIA SWITZERLAND AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this would be limited to combined cycle power plants (CCPP) and thus would not be feasible for simple cycle plants

Method used

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  • Power generation unit and method for operating such a power generation unit
  • Power generation unit and method for operating such a power generation unit
  • Power generation unit and method for operating such a power generation unit

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0074] figure 1 Shows a basic diagram of a power generation unit with a gas turbine with continuous combustion and a generator driven by the gas turbine, with a generator cooling system (solid line) connected according to the invention to the Heat exchanger in the intake section of the turbine (dashed line).

[0075] figure 1 The power generation unit 10 in the engine comprises a gas turbine 11 having an intake section 12, a compressor 13, a first combustor 14, a first (high pressure) turbine 15, a second combustor and a gas (air) cooled generator 18. 16, a second (low pressure) turbine 17, a gas (air) cooled generator 18 driven by the gas turbine 11 and having a generator cooling system 19. The generator cooling system 19 is now connected to an air intake heat exchanger 30 arranged in the intake section 12 of the gas turbine 11 in order to transfer heat from the cooling water flowing through the generator cooling system 19 to the 11 air intake section 12.

[0076] figur...

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PUM

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Abstract

A power generating unit (10) comprises a gas turbine (11') with an air intake section (12), a compressor (13), at least one combustor (14, 16) and at least one turbine (15, 17), and further comprises a gas-cooled generator (18), being driven by said gas turbine (11) and having a generator cooling system (20) comprising at least one cooler, through which cooling water flows, and which removes heat from said generator. A more flexible operation of the unit can be achieved by connecting said generator cooling system (20) to an air intake heat exchanger (30) arranged within said air intake section (12) of said gas turbine (11) in order to transfer heat from said cooling water flowing through said generator cooling system (20), to the air flowing through said air intake section (12).

Description

technical field [0001] The invention relates to the generation of electrical power by means of gas turbines and generators. It relates to a power generating unit according to the preamble of claim 1 . It also relates to a method for operating such a power generation unit. Background technique [0002] Typically, the capacity of a generator (i.e., its maximum possible output) decreases at hot ambient temperatures because the temperature of the cold water entering the generator cooler increases as the ambient temperature increases, especially when the cooling water cools When the container overcomes the ambient air (as opposed to water) and then cools. [0003] Typically, the reduced capacity matches the reduced power output of the gas turbine driving the generator in the power generation unit at higher ambient temperatures. However, when gas turbine power output is increased using evaporative cooling or atomization, and possibly further increased by additional water inject...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02C7/12F02C6/00
CPCH02K7/1823F01D15/10F01K27/02F02C7/047F02C7/143F02C7/1435H02K9/00Y02E20/16
Inventor M.谢尤C.雷塞
Owner ANSALDO ENERGIA SWITZERLAND AG