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Power generation system

A technology for power generation systems and generators, applied in engine components, combustion engines, machines/engines, etc., can solve the problems of reduced exhaust flow and unsatisfactory power turbines, and achieve the effect of preventing hammering

Active Publication Date: 2015-04-08
KAWASAKI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the propulsion load is low, the exhaust flow of the main engine is reduced, so there is a possibility that the power turbine will not work satisfactorily

Method used

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Embodiment Construction

[0041] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the same code|symbol is attached|subjected to the same or equivalent element in all drawings, and repeated description is abbreviate|omitted.

[0042] [First Embodiment]

[0043] figure 1 It is a conceptual diagram showing the overall configuration of the power generation system 100 according to the first embodiment of the present invention. like figure 1 As shown, the power generation system 100 is mounted on a ship including a ship diesel engine 1 (hereinafter, simply referred to as "engine") as a main engine for propulsion.

[0044] The power generation system 100 includes a generator 2, a power turbine 4 that extracts rotational force from the exhaust gas of the engine 1 that is intended to be exhausted overboard through an exhaust system 3, and extracts rotational force from waste heat around the engine 1 that is recovered by a waste heat recovery sys...

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PUM

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Abstract

A power generation system (300) is provided with a main turbine (6) which operates while the system is in operation, and one or more sub-turbines (4A, 4B) which operate or stop according to the situation while the system is in operation, a main speed reducer (50) further comprises an idle gear (53) that lies between a main drive gear (51) and a main driven gear (52) and transmits the rotation of the main drive gear (51) to the main driven gear (52), and the output shaft of a first sub-turbine (4A) included in the one or more sub-turbines (4A, 4B) is connected to the main driven gear (52) via a clutch (66). The first sub-turbine (4A) and the main turbine (6) are disposed axially on the same side with reference to the main speed reducer (50), and the main turbine (6) and a power generator (2) are disposed axially on the opposite sides to each other with reference to the main reducer (50).

Description

technical field [0001] The present invention relates to a power generation system in which a generator is driven by the rotational force of a turbine, and more particularly to a power generation system including a plurality of turbines, and a part of which can be stopped while the system is in operation. Background technique [0002] A large ship is equipped with a power generation system capable of generating electricity required for navigation. In marine power generation systems, a generator is generally driven by the rotational force of a turbine. As the turbine, both a steam turbine that derives rotational force from waste heat around the main engine as a propulsion prime mover, and a power turbine that derives rotational force from a part of the exhaust gas of the main engine can be used. At this time, a waste heat recovery system for recovering waste heat around the main engine, mainly the heat of exhaust gas, is added to the power generation system (for example, refe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D15/12F01D15/10F01K13/00F01K23/10F02G5/02
CPCF01K7/18Y02T10/166F01K23/065F01D15/10Y02T10/163F01N5/02F01D15/12F02G5/02F02B41/10F01K15/045B63J3/02Y02T10/12Y02T70/50F01K13/00F01K23/10
Inventor 福田俊一郎佐藤晃三丸山谦介
Owner KAWASAKI HEAVY IND LTD