Design of 1000-MW Steam Turbine-Generator Unit for Ravenswood No 3

1964 ◽  
Vol 86 (2) ◽  
pp. 209-218
Author(s):  
J. M. Driscoll ◽  
C. D. Wilson ◽  
L. T. Rosenberg
Keyword(s):  
Steam Turbine ◽  
High Reliability ◽  
Low Pressure ◽  
Design Features ◽  
World Record ◽  
Turbine Generator ◽  
Efficient Performance ◽  
Generator Unit ◽  
Steam Cycle

Consolidated Edison’s 1000-mw steam turbine-generator unit for Ravenswood No. 3 will operate on a 2400-psig, 1000/1000 F steam cycle. Arrangement is close-coupled 3600/1800-rpm, cross compound, with all five turbines double flow. Both generators are of fully supercharged, hydrogen-cooled design. At each end of the 3600-rpm shaft are direct-driven half-size boiler-feed pumps while the big units two gear-driven exciters are in tandem at the generator end of the 1800-rpm shaft. The three double-flow, low-pressure turbines use 40-in. exhaust spindle blades. This world-record unit incorporates design features to assure fast starting and loading, high reliability, and efficient performance.

Design of 321-Mw Cross-Compound Steam Turbine—River Rouge Unit No. 3

1959 ◽  
Vol 81 (2) ◽  
pp. 123-131
Author(s):  
C. D. Wilson
Keyword(s):  
Steam Turbine ◽  
Size Range ◽  
Design Features ◽  
Turbine Generator ◽  
General Arrangement ◽  
Generator Unit

This paper discusses the design features and general arrangement of a 321-mw close-coupled cross-compound 3600/1800-rpm steam turbine-generator unit. The machine is designed for operation with subcritical pressures and with steam temperatures that permit using ferritic materials. It was the first machine to be ordered in the 300-mw size range and is installed in the River Rouge Station of The Detroit Edison Company.

Medway: A High-Efficiency Combined Cycle Power Plant Design

1995 ◽  
Vol 117 (4) ◽  
pp. 713-723 ◽  
Author(s):  
D. M. Leis ◽  
M. J. Boss ◽  
M. P. Melsert
Keyword(s):  
Power Plant ◽  
Steam Turbine ◽  
High Reliability ◽  
System Optimization ◽  
Combined Cycle ◽  
Advanced Technology ◽  
Plant Design ◽  
Turbine Generator ◽  
Combined Cycle Power Plant ◽  
Plant System

The Medway Project is a 660 MW combined cycle power plant, which employs two of the world’s largest advanced technology MS9001FA combustion turbine generators and an advanced design reheat steam turbine generator in a power plant system designed for high reliability and efficiency. This paper discusses the power plant system optimization and design, including thermodynamic cycle selection, equipment arrangement, and system operation. The design of the MS9001FA combustion turbine generator and the steam turbine generator, including tailoring for the specific application conditions, is discussed.

Development and Operating Experience of a Two-Casing 600MW Ultra-Super-Critical Steam Turbine

2005 ◽  
Author(s):  
Yoshinori Tanaka ◽  
Hiroharu Ohyama ◽  
Naoto Tochitani ◽  
Tamiaki Nakazawa
Keyword(s):  
Electric Power ◽  
Steam Turbine ◽  
Operating Experience ◽  
Low Pressure ◽  
Steam Turbines ◽  
Design Features ◽  
Intermediate Pressure ◽  
Commercial Operation ◽  
Compact Design ◽  
Maintenance Requirements

600MW class steam turbines are typically manufactured in three casing configurations with two low-pressure casings. Mitsubishi Heavy Industries (MHI) has developed and manufactured a 600MW two-casing Ultra Super Critical turbine for the Hirono No.5, Tokyo Electric Power Co. in Japan, which comprises one combined high- and intermediate-pressure casing and one double-flow low-pressure casing. This unit started the commercial operation in July 2004. Two-casing design simplifies construction and maintenance requirements and saves capital cost of the plant. This compact design was realized mainly due to the development of 3000 rpm 48 inch steel low-pressure end blades, the longest steel blade in the industries for 3000 rpm machines. In addition, a highly efficient and compact design in achieving 600°C steam condition was realized by employing a combined high- and intermediate-pressure frame. This paper addresses the design features of the 600MW two-casing USC turbine, operating condition of the Hirono No.5 and the results of the verification tests performed.

An Integrated Steam/Gas Turbine-Generator for Combined-Cycle Applications

1989 ◽  
Author(s):  
J. H. Moore
Keyword(s):  
Steam Turbine ◽  
Gas Turbine ◽  
Power Plants ◽  
Combined Cycle ◽  
Gas Temperature ◽  
Turbine Generator ◽  
Fully Integrated ◽  
Reheat Steam ◽  
Exhaust Gas Temperature ◽  
Steam Cycle

Combined-cycle power plants have been built with the gas turbine, steam turbine, and generator connected end-to-end to form a machine having a single shaft. To date, these plants have utilized a nonreheat steam cycle and a single-casing steam turbine of conventional design, connected to the collector end of the generator through a flexible shaft coupling. A new design has been developed for application of an advanced gas turbine of higher rating and higher firing temperature and exhaust gas temperature with a reheat steam cycle. The gas turbine and steam turbine are fully integrated mechanically, with solid shaft couplings and a common thrust bearing. This paper describes the new machine, with emphasis on the steam turbine section where the elimination of the flexible coupling created a number of unusual design requirements. Significant benefits in reduced cost and reduced complexity of design, operation, and maintenance are achieved as a result of the integration of the machine and its control and auxiliary systems.

Assessing the Flaws in Welded Seam of Header of a 300MW Steam Turbine Generator Unit

2007 ◽  
Vol 340-341 ◽  
pp. 1431-1436
Author(s):  
Li Song ◽  
Shui Cheng Yang ◽  
Feng Tao Wei
Keyword(s):  
Steam Turbine ◽  
Slag Inclusion ◽  
Normal Operation ◽  
Residual Service Life ◽  
The Finite Element Method ◽  
Turbine Generator ◽  
Warm Start ◽  
Generator Unit ◽  
Welded Seam ◽  
Non Destructive

The flaws such as crack or slag inclusion, in the welded seam of header of a 300MW steam turbine generator unit, were detected by the ultrasonic non-destructive inspection. Based on the crack modeling, the finite element method (FEM) was used to calculate and analyze the displacement field, stress field and stress intensity factors of the cracks under the conditions of warm start, cold start and normal operation, and the residual service life was predicted. Analyzing results showed that these flaws would not bring about primary brittle fracture and propagation of crack was harmless to safe in operation.

Performance of natural draft hybrid cooling system of large scale steam turbine generator unit

2017 ◽  
Vol 122 ◽  
pp. 227-244 ◽  
Author(s):  
Yuchen Huang ◽  
Lin Chen ◽  
Xianwei Huang ◽  
Xiaoze Du ◽  
Lijun Yang
Keyword(s):  
Steam Turbine ◽  
Large Scale ◽  
Cooling System ◽  
Turbine Generator ◽  
Natural Draft ◽  
Hybrid Cooling ◽  
Generator Unit
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