Kalaeloa: Combined Cycle Power Station Burning Low Sulfur Fuel Oil in Its Ninth Successful Year

2002 ◽  
Vol 124 (3) ◽  
pp. 534-541 ◽  
Author(s):  
Z. R. Khalaf ◽  
B. Basler
Keyword(s):  
Heavy Oil ◽  
Combined Cycle ◽  
Fuel Oil ◽  
Plant Performance ◽  
Cogeneration Plant ◽  
Power Station ◽  
Successful Operation ◽  
Performance Issues ◽  
Low Sulfur

This paper presents the O&M experience at the Kalaeloa Cogeneration Plant. Performance issues and other problems related to firing heavy oil in a combustion turbine are presented together with their long-term solutions leading to the current successful operation of the IPP power station in Hawaii, USA.

Kalaeloa — Combined Cycle Power Station Burning LSFO in its Ninth Successful Year

2000 ◽  
Author(s):  
Ziad R. Khalaf ◽  
Benno Basler
Keyword(s):  
Heavy Oil ◽  
Combined Cycle ◽  
Plant Performance ◽  
Cogeneration Plant ◽  
Power Station ◽  
Successful Operation ◽  
Performance Issues

This paper presents the O&M experience at the Kalaeloa Cogeneration Plant. Performance issues and other problems related to firing heavy oil in a combustion turbine are presented together with their long-term solutions leading to the current successful operation of the IPP power station in Hawaii, USA.

Modeling and Performance Analysis of Combined-Cycle Based Ship Power Plant

2010 ◽  
Vol 44-47 ◽  
pp. 1240-1245 ◽  
Author(s):  
Hong Zeng ◽  
Xiao Ling Zhao ◽  
Jun Dong Zhang
Keyword(s):  
Diesel Engine ◽  
Power Plant ◽  
Performance Analysis ◽  
Combined Cycle ◽  
Operating Conditions ◽  
Fuel Oil ◽  
Plant Performance ◽  
Oil Consumption ◽  
Combined Cycle Power Plant ◽  
Simulation Performance

For combined-cycle power plant performance analysis, a ship power plant mathematical model is developed, including diesel engine, controllable pitch propeller, exhaust gas boiler, turbine generator and shaft generator models. The simulation performance characteristic curves of diesel engine under various loads are given. Comparison of simulation results and experimental data shows the model can well predict the performance of diesel engine in various operating conditions. The specific fuel oil consumption contours of combined-cycle power plant and the relations between engine operating conditions and steam cycle parameters are given. The influence of diesel engine operating conditions to the overall performance of combined-cycle power plant is discussed.

Conversion of a Heavy-Duty Industrial Gas Turbine to Combined Cycle

1983 ◽  
Vol 105 (4) ◽  
pp. 870-874
Author(s):  
D. W. Leffler ◽  
B. S. Roberts
Keyword(s):  
Gas Turbine ◽  
Heavy Oil ◽  
Fuel Efficiency ◽  
Combined Cycle ◽  
Evaluation Design ◽  
Heavy Duty ◽  
Successful Operation ◽  
Combined Cycle Plant ◽  
Industrial Gas Turbine

This paper discusses the evaluation, design, and operation of a combined-cycle plant for Bahamas Electricity Corporation in Nassau, Bahamas. The plant was designed to provide maximum fuel efficiency, satisfactorily operate to 40 percent load, and includes provisions for heavy oil firing in the gas turbine. The system was started up July, 1982 and has been in successful operation since then.

scholarly journals Design of a 465 MW Combined Cycle Cogeneration Plant

1985 ◽  
Author(s):  
Donald W. Leffler
Keyword(s):  
Power Systems ◽  
Electric Power ◽  
Systems Engineering ◽  
Electric Utility ◽  
Combined Cycle ◽  
Cogeneration Plant ◽  
Project Financing ◽  
Chemical Company ◽  
Plant Power

In June 1983 Power Systems Engineering, Inc. began engineering of a base loaded 465 MW (net) combined cycle cogeneration plant (Figure 1) designed to sell up to 1,150,000 lb/hr (145.0 kg/s) of steam to a chemical plant in Houston, Texas, and sell up to 550,000 kW of electric power to the local electric utility (Houston Lighting & Power). Power Systems designed the plant, specified and procured equipment, arranged $220 million of project financing, will manage the construction of the plant, and will operate the plant. Power Systems negotiated the long-term steam contract with the chemical company and the power contract with HL&P. In addition, Power Systems obtained all permits and contracted for a long-term fuel supply.

Combined Cycle Power Plant Long Term Preservation Program: The Arauca´ria Power Station Study Case

2008 ◽  
Author(s):  
Jean Carlos Nunes Ferreira ◽  
Marcos de Freitas ◽  
Fernando Cavalcanti de Albuquerque
Keyword(s):  
Steam Turbine ◽  
Operations Management ◽  
Water System ◽  
Combined Cycle ◽  
Ambient Conditions ◽  
Power Station ◽  
Similar System ◽  
Institute Of Technology ◽  
Long Term Preservation

Arauca´ria Power Station, a 484 MW CCPP, is powered by two NG-fired Siemens 501FD2 Combustion Turbines and one Alstom DKZ2-2N34 Steam Turbine. Located in Southern Brazil, near Curitiba, the capital of the State of Parana´, Arauca´ria PS was tested and accepted in September 2002. Due to commercial issues, the plant remained shut down since its COD until 2006. Along four years, the O&M team developed and implemented a comprehensive plant preservation program aiming to keep the equipment safe from degradation. The purpose of this paper is to describe the program and the activities performed during this period. The OEM recommendations were strictly followed. All the operations, tests and inspections were performed according to the Long Term Standby Procedure. The preventive, predictive and corrective maintenance performed in conformity with the Plant Maintenance Manual. Such activities were controlled by means of the corporative Computer-based Operations Management System and the CMMS and always in compliance of the ES&H regulations. The wooden structured cooling tower was maintained wet, the circulating water system was kept in operation, the demineralised water treatment system was run monthly and water microbiology/chemistry control (including the chemicals dosing and weekly water analysis schedule) was kept in accordance with the program designed by GE Water & Process Technologies. In a totally outdoor plant, corrosion prevention is fundamental. For this reason, a painting program designed by LACTEC, a local institute of technology, was followed. By the Plant Valves Lubrication and Tests schedules, each manual and automatic valve was lubricated and tested. The two Aalborg HRSGs (including condensate and steam piping) were maintained at minimum 0.5 barg dry nitrogen atmosphere. Dehumidifiers and heaters were installed in both HRSGs gas side, so the ambient conditions between the CTGs air inlet and the HRSGs stack inlet were maintained with relative humidity below 40%. Similar system was provided for the Steam Turbine. Both systems were automatically controlled and supervised from the Plant Control Room. When Arauca´ria PS was re-commissioned in mid-2006, this strict program proved its effectiveness once no major problems were found and the plant start-up succeeded in a very short time. The plant was operated since June, 2007 through January, 2008 with an average availability in excess of 98%. The long-term preservation program is presently being reviewed and many improvements shall be implemented in order to achieve faster installation/removal of high performance preservation systems, so they shall be used for short-term shutdown periods as well.

A Review of the Experience Achieved at the Yugadanavi 300 MW CCGT in Sri Lanka: Increasing the Firing Temperature of Gas Turbines Using a Novel Vanadium Inhibitor

2017 ◽  
Author(s):  
Nuhuman Marikkar ◽  
Tharindu Jayath ◽  
Kithsiri Egodawatta ◽  
Matthieu Vierling ◽  
Maher Aboujaib ◽  
...  
Keyword(s):  
Sri Lanka ◽  
Firing Temperature ◽  
Gas Turbines ◽  
Combined Cycle ◽  
Fuel Oil ◽  
Specific Situation ◽  
Successful Operation ◽  
Heavy Fuel Oil ◽  
Joint Paper ◽  
Fast Development

In regions developing rapidly but deprived of natural gas, gas turbines (GT) in combined cycles (CC) fired on Heavy Fuel Oil (HFO) can represent effective and environmentally viable power generation options. The 300 MW Yugadanavi plant in Sri Lanka, which features two 9E GTs burning low-sulfur HFO, best exemplifies this specific situation. This project was fast-tracked in 2006, when the country started its fast development and the national grid needed fast power additions and frequency stability. Since 2008, it has been supplying 200 MWe to the Ceylonese grid, in simple cycle. Then in 2010, its capacity rose up to 300 MWe without any extra fuel consumption, after its conversion to a combined cycle. In November 2016, Yugadanavi has completed 55,000 hours of successful operation, has generated 6,000 TWh and burned 1 million tons of HFO achieving on average efficiency and reliability performances as high as 44% and 96% respectively. Starting 2010, LTL and GE joined their efforts in plant upgrade initiatives. In 2014 they demonstrated an efficient method to reduce the smoke emissions, using benign combustion catalysts. Within a next upgrade step, a new vanadium inhibition technology has been field-tested in 2015–2016, which enables improving the availability and energy performances of the plant by namely increasing the firing temperature of the gas turbines. After recalling the key milestones of this significant HFO project, the joint paper will outline the operation experience and positive environmental outcomes of the developments carried out within an LTL-GE collaboration, with a special emphasis on the most recent results obtained with the new inhibition technology.

Heavy Fuel Operation at Limay Bataan Power Station

2001 ◽  
Author(s):  
Benno Basler ◽  
Detlef Marx
Keyword(s):  
Treatment Plant ◽  
Operating Mode ◽  
High Viscosity ◽  
Combined Cycle ◽  
Fuel Oil ◽  
Power Station ◽  
Heavy Fuel Oil ◽  
Operating Period ◽  
Fuel Treatment

The Limay Bataan Power station, a 600 MW combined cycle, is now in its 8th successful year of operation. Operating on this specific heavy fuel oil, which is a high viscosity, high ashbearing heavy fuel residue from the refinery at Limay, requires a skilled and experienced crew as the quality of fuel was subject to major changes which are highly relevant to the operating mode. If not treated properly, this fuel could corrode blades within a short operating period. This paper describes the experiences gained on the fuel handling from the fuel treatment plant to the turbine and also addresses the operation of the combined cycle. Specific operating problems are discussed. The plant is fully operated and maintained by ALSTOM Power O&M Ltd with its local team that has greatly contributed to the success of the plant.

Operating Experience on Advanced Technology AE64.3A Gas Turbine

2011 ◽  
Author(s):  
Federico Bonzani ◽  
Andrea Silingardi ◽  
Laura Traversone ◽  
Luigi Di Pasquale
Keyword(s):  
Gas Turbine ◽  
Power Output ◽  
Operating Experience ◽  
Combined Cycle ◽  
Fuel Oil ◽  
Advanced Technology ◽  
Plant Performance ◽  
Operational Experience ◽  
Dynamic Features ◽  
Adriatic Coast

The growth of power markets stresses the importance of optimizing power plant performance and boosts the need to improve and upgrade the existing power generation plants. In this framework, Gas Turbine with medium power output are regarded as strategic asset to gain competitiveness in energy business. In such a challenging scenario, the current version of the 50/60 cycles AE64.3A Gas Turbine has been upgraded by Ansaldo Energia, enhancing performances, operational and dynamic features. Therefore the unit is rated now 75 Mwe power output and 35.9% efficiency. The upgraded AE64.3A along with the relevant generator and auxiliary systems in single shaft configuration, has been installed in the combined cycle generation plant of Vlore, on the Adriatic coast of Albania. The gas turbine has been supplied in accordance to the standard and proven design of the manufacturer, optimizing the need for burning fuel oil in continuous operation. The paper will report the main feature of the engine highlighting the upgrade and present the operational experience gained during the commissioning phase.

scholarly journals Análisis térmico de una planta de potencia de ciclo combinado utilizando enfriamiento de aire a la entrada

2020 ◽  
pp. 15-20
Author(s):  
Edzel Jair Casados-López ◽  
Raúl Cruz-Vicencio ◽  
Álvaro Casados-Sánchez ◽  
Álvaro Horst-Sánche
Keyword(s):  
Air Temperature ◽  
Power Plants ◽  
Research Work ◽  
Combined Cycle ◽  
Plant Performance ◽  
Air Cooling ◽  
Refrigeration System ◽  
Power Station ◽  
Compressor Inlet ◽  
Combined Cycle Plant

In this article, a combined cycle power station (gas-steam) is analyzed, considering air cooling before entering the compressor. Currently what is sought are higher thermal efficiencies, which is why the combined cycle power plants have been chosen, since they make better use of the fuel, producing greater net power, all of which have led to innovative modifications in the combined cycle power plants, improving the performance of this. In this research work, a 243 MW combined cycle plant is taken as the base, whose air temperature when entering the compressor is 32 ° C. Knowing in advance that one of the factors that affects the operation of this plant is the condition of the air when entering the compressor, which when it cools will increase its density and with it its mass flow, obtaining an increase in the power of the gas turbine. In view of this, this work proposes that through the use of a mechanical refrigeration system, air cooling to 15 °C is carried out at the compressor inlet and with this achieve an increase in plant performance.

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