Integrated solar combined cycle power plant formerly solar based. Properties and geoeffectiveness of magnetic clouds during. Pdf thermodynamic and economic analysis of an integrated. Integrated solar combined cycle iscc by siemens energy, inc. In iscc plants, solar energy is used as an auxiliary heat supply, supporting the steam cycle, which results in increased generation capacity or a reduction of fossil fuel use. An iscc power plant combines a concentrated solar power csp plant and a natural gasfired combined cycle ngcc power plant. In design conditions, the gas turbine supplies the 60% of the power, while the steam turbine delivers only the 34% of the energy. Integrated solar combined cycle technology environmental and economic benefits abengoas answer pioneers in developing the first and largest hybrid solargas plants in the world abengoa hybrid solargas plants work in a similar in greenhouse gas emissions, as well as way to conventional combined cycle lower operating costs and the overall plants. The use of solar plants as auxiliary systems in conventional power combined cycles has contributed to the evaporation process, reducing the. The pinch point temperature has put some constraints on the cycle where at a certain point the heat transfer process would be reversed and wont be effective. The isccs has generated much interest because it offers an innovative way to reduce cost and improve the overall solartoelectric efficiency.
Integrated solar combined cycle iscc power plants have gained popularity among the thermal power plants. This chapter discusses the integrated solar combined cycle iscc. Natural gas plants, almost all combined cycle plants, made up more than half of the additions, while solar plants contributed more than a quarter and wind plants around onesixth. He used historic data and showed that the length of the centurylong solar cycle is not constant and most likely changes from about. The main national objective of the project is to increase the contribution of renewable energy sources in moroccos energy mix and add capacity to the power grid to help cope with the sustained growth in electricity demand. The isccs has generated much interest because it offers an innovative way to reduce cost and improve the overall solar toelectric efficiency. Pdf the integrated solar plant concept was initially proposed by luz solar international as a means of integrating a parabolic trough solar plant with. Cycletocycle variability includes the maunder minimum, the gleissberg cycle, and the gnevyshevohl evenodd rule.
This paper presents the evaluation of two power plants, i. The base cycle has been used as a base to build the integrated solar combined cycle layouts. Life cycle assessment of concentrated solar power csp. The behaviour of this plant has been analysed in offdesign conditions and its annual performances have been obtained. The work was also cosupervised by zhor hassar, solar power plant architect at the new energies division of total s. By including an additional source of heat, such as solar energy, to conventional combined cycles, the efficiency of systems is dramatically increased. The integrated solar combined cycle system isccs is one of the more promising hybrid configurations for converting solar energy into electricity and it might become the technology of choice in. Pdf optimization of an integrated solar combined cycle. Integrated solar combined cycle mode at solar hours even with one gas turbine, conventional combined cycle mode at non solar hours and gas turbine mode when the steam turbine is not functioning. Integrated solar combined cycle power project economic. Iran yazd integrated solar combined cycle power station.
Integrated solar combined cycle power project economic and. Life cycle assessment of a solar thermal concentrating system. The sun approaches its 11 year minimum and activity cycle 24. The objective of this work is the investigation of the environmental impacts of the solar energy utilization, in a solar thermal concentrating system for electricity production, with the employment of life cycle assessment lca. Natural gas, solar, and wind lead power plant capacity. In the first six months of 2014, 4,350 megawatts mw of new utilityscale generating capacity came online, according to preliminary data from the u. Ge integrates concentrated solar power with combined cycle in. We have a very high capacity in the field of oil and gas, which can be converted to different energy types. Saudi arabia is blessed with abundant solar energywhichcan be use to meet its ever increasing power requirement. Several different integrations on the bottoming cycle have been studied, including integrations with revamping of some components. Optimising performance of integrated solar combinedcycle. The lower panel shows the two primary components for variability of the total solar irradiance tsi that is shown in the upper panel. Modeling of a power plant by integration of solar combined. The list of acronyms and abbreviations related to isccs integrated solar combined cycle systems.
Life cycle assessment of solar photovoltaic electricity generating system 9 construction, operation, maintenance and fossil fuelbased sources are very limited in quantity and cause damage to our environment. Solargas combined cycle electrical generating system. Performanceanalysis of integrated solar combined cycle. A solardriven combined cycle power plant sciencedirect. It depicts the heat and work transfer process taking place in high temperature region. The solar activity is waning and approaching its 11year solar cycle minimum. A technoeconomic framework for the analysis of concentrating. New developments in solar tower optics, highperformance air receivers and solar togas turbine interface, were incorporated into a new solar power. The integrated solar combined cycle system isccs initially proposed by luz solar international is a typical hybrid system that integrates solar heat and fossil fuel 8. The projects global environment objective is to demonstrate the economic feasibility of solar thermal based power generation worldwide by disseminating the.
Performanceanalysis of integrated solar combined cycle power. Integrated solar combined cycle iscc systems sciencedirect. Pdf the huge amount of solar energy available on earth. Iscc mathania integrated solar combined cycle power plant. Integrated solar combined cycle power plants iscc pdf catalogs.
In addition, fuel preheating and solar cooling hybridisations have been investigated. Csp hybrid plant is based on pressurized air receiver technology using natural gas assisted burner while the. However, solar energy systems have some environmental impact. Solar thermal hybrid demonstration project at natural gas combinedcycle plant solar thermal energy, in conjunction with traditional generation sources, is one of the most promising options for largescale green generation. This field feeds a solar steam generator working in parallel with the highpressure evaporator of the heat recovery steam generator. Levelized cost of electricity renewable energy technologies pdf. Natural gas plants, almost all combinedcycle plants, made up more than half of the additions, while solar plants contributed more than a quarter and wind plants around onesixth. Solar thermal hybrid demonstration project at natural gas. A combined cycle power plant is an assembly of heat engines that work in tandem from the. Fichtner solar gmbh a company of the fichtner groupg solarpaces zurich 4 sep 2002, nr. Integrated solar combined cycle system how is integrated solar combined cycle system abbreviated.
Integrated solar combined cycle power plants duke university. Indicator central solar thermal distributed solar thermal central photovoltaic power generation distributed photovoltaic power generation solar thermal electricity co 2 emissions savings 1. Integrated solar combined cycle system how is integrated. Hybrid solargas plant in hassi r mel, algeria integrated. Despite the large number of mcs, their geoeffectiveness in cycle 24 was very low. We conclude with an examination of prediction techniques for the solar cycle and a closer look at cycles 23. Boumedjirek mohammed, merabet abderrezak, michel feidt download as pdf. The landmark project, the green duba integrated solar combined cycle plant, will be built in the northwestern part of saudi arabia, along the red sea coast, and has the capacity to generate the equivalent power needed to supply approximately 600,000 saudi arabia homes for a year. Energy information administration s electric power monthly. The cycle 12341 which is the gas turbine power plant cycle is the topping cycle. The integrated solar combined cycle power plant iscc has been recently introduced in the power generation sector as a technology with the potential to help reduce the costs of solar energy for electricity generation. The chapter examines various arrangements of integration and their impact on performance and cost.
Novel integrated solarnuclear combined cycle power plant. A 3 integrated solar combined cycle system isccs a7 a 4 current project proposals for csp desalination a8 a 5 individual country data a a 6 concept of multipurpose plants for agriculture a50 a 7 list of abbreviations a64. A conventional solar arrangement including parabolic troughs with a thermal oil is assumed. The modest improvements come with little impact on the combined cycle operation.
In the solar hybrid combined cycle system shcc, the solar energy is used to preheat the combustion air in the gas turbine power block. Comparative study between the integrated solar combined cycle. In this paper, combined cycle cc power block parameters are optimized for its application coupled to concentrating solar power csp plant. Ge integrates concentrated solar power with combined cycle. A pressurized volumetric receiver and a solar tower system are used to collect the solar radiation. The aim of this paper is to quantify the sustainability of csp and to analyse how this is affected by. The technology for the solar aided power generation sapg is appeared for optimizing this combination in solar contribution to cycle efficiency. Solar thermal hybrid applications could be the lowestcost option for adding solar power to the generation fleet, and. Integrated solar combined cycle iscc by siemens energy, inc in addition to the steam turbine generator turbo set, the portfolio includes comprehensive range of components. The integrated solar combined cycle power plant iscc has been introduced in the power. Instantaneous performance of the first integrated solar. Pdf optimization studies for integrated solar combined cycle.
Recent developments in integrated solar combined cycle. An integrated solar combined cycle iscc is a hybrid technology in which a solar thermal field is integrated within a combined cycle plant. The minimum was expected in 2006, but had not been definitively reached as of early 2009. Comparative study between the integrated solar combined. The integrated solar plant concept was initially proposed by luz solar international as a means of integrating a parabolic trough solar plant with modern combined cycle power plants. The thermodynamic cycle of the basic combined cycle consists of two power plant cycles. The main results of a feasibility study of a combined cycle electricity generation plant, driven by highly concentrated solar energy and hightemperature central receiver technology, are presented. Influence of pinch point temperature on the performance of. New developments in solar tower optics, highperformance air receivers and solartogas turbine interface, were incorporated into a new solar power. A thorough investigation of solar centennial variability over a long time scale was done by nagovitsyn 1997, 2001. Modelling suggests the solar field can contribute approximately 6.
Integrating solar thermal energy into the conventional combined cycle power plant ccpp has been proved to be an efficient way to use solar energy and improve the generation efficiency of ccpp. Renewable electricity futures study executive summary iv re futures is an initial analysis of scenarios for high levels of renewable electricity in the united states. The technology for the solar aided power generation sapg is appeared for optimizing. The last solar cycle maximum in 2000 was 25% weaker than the prior two and the solar cycle length maximum to maximum 1989 to 2000 and minimum to minimum 1996 to 2009. Shortterm variability includes the 154day periodicity, quasibiennial variations, and doublepeaked maxima. The solar cells are coupled to a heat exchanger that converts concentrated. Total is a french multinational energy company active in the solar energy industry through ownership and operation of solar power plants and technology. Proposal and analysis of an integrated solar combined. Global concern for depleting fossil fuel reserves have been compelling for evolving power generation options using renewable energy sources. Dynamic simulator and model predictive control of an. Analysis and design of an integrated solar combined cycle power. In this regard, the energy analysis and plant performance of integrated solar combined cycle iscc plant with direct steam generation dsg was carried out for dhahran, saudi arabia using four representative months of march, june, september and december.
The integration of a solar component into a combined cycle power plant is. Ge integrates concentrated solar power with combined cycle in saudi arabia saudi electricity company sec has selected ge for a project that marks saudi arabias first integration of a concentrated solar power with a combinedcycle plant and the first introduction of condensate as a gas turbin. It is necessary therefore to evaluate solar technology accounting for the indirect environmental impacts caused by the solar combisystems over their whole life cycle. The solar cells are coupled to a heat exchanger that converts concentrated solar flux into electrical power and thermal power. The inventors paper on the subject matter of this power plant design, titled solargas combined cycle power plant published in the 55th american power conference vol. Parabolic trough power plants have been developed in the integrated solar combined cycle system isccs and the direct steam generation dsg,each concept has their configuration due to solar energy combination. Studying the reduction of water use in integrated solar combined. Integrated solar combined cycle power project economic and financial analysis. Integrated solar combined cyle system schematic diagram. Solar wind hybrid systems a hybrid renewable energy system utilises two or more energy production methods, usually solar and wind power. This can include steam generators, condensing systems to preheaters, and c.
The solar system produce the vapour that is supplier for steam turbine as well as production the electrical energy. Proposal and analysis of an integrated solar combined cycle with. The major advantage of solar wind hybrid system is that when solar and wind power production are used together, the reliability of the system is enhanced. Life cycle assessment of concentrated solar power csp and. We find that the number of mcs did not decline in cycle 24, although the average sunspot number is known to have declined by 40%. The dashed curves represent the next solar cycle estimates that correspond to solar activity 40% higher and lower than in the past cycle. Mar 26, 2014 concentrating solar power csp plants based on parabolic troughs utilise auxiliary fuels usually natural gas to facilitate startup operations, avoid freezing of htf and increase power output. General electric ge has won a contract to supply a 600 mw integrated solar combinedcycle power plant for the green duba project in saudi arabia, according to recent reports. The solar energy happens to be a potential source for running the power plants among renewable energy sources. Solar systems making a greater contribution add complexity to plant design and to plant operation in nonsolar mode. Integrated solar combined cycle iscc systems avoid this pitfall by injecting solar steam into the fossil power cycle. Pdf optimization studies for integrated solar combined. Solar systems making a greater contribution add complexity to plant design and to plant operation in non solar mode.
The integrated solar combined cycle power plant iscc has been introduced in the power generation sector as a technology with the potential to help reduce the costs of solar energy for electricity generation. At a thermal hybrid solar power plant is the same as a isccs integrated solar combined cycle system a concentrated solar power csp field is integrated in a combined cycle power plant ccp. Concentrating solar power for seawater desalination. Novel integrated solar nuclear combined cycle power plant nima fathi,university of new mexico patrick mckdaniel,university of new mexico seyed sobhan aleyasin,university of manitoba matthew robinson,university of new mexico peter vorobieff, et al.
This practice has a significant effect on the environmental performance of the technology. In many cases, it is difficult, in terms of cost, to extend grid all the way to remote locations, even if fossil fuels are. The paper analyses an integrated solar combined cycle that, as a novelty, includes a gas turbine with partial recuperation. Ge wins contract for 600 mw integrated solar combined. Satellite measurements of solar uv variability for solar cycles 21, 22, and 23 show consistent solar cycle irradiance changes at key wavelengths e. The heat recovery steam generator hrsg is so modified, that the additional steam from the solar field is superheated in the hrsg and the feed water is. In design conditions, the gas turbine supplies the 60% of the power, while the. One is the joule or brayton cycle which is a gas turbine cycle and the other is rankine cycle which is a steam turbine cycle. Integrated solar combined cycle power plants isccs, composed of a concentrated solar power csp plant and a natural gasfired combined cycle ngcc power plant, have been recently introduced in the power generation sector as a technology with the potential to simultaneously reduce fossil fuel usage and the costs of integrating solar power in an electricity system. Consult ge power, alstom power systems, bergeron pumps integrated solar combined cycle power plants iscc brochure on directindustry. Concentrating solar power csp plants based on parabolic troughs utilise auxiliary fuels usually natural gas to facilitate startup operations, avoid freezing of htf and increase power output. The plant features a 51 150 mw combined cycle generator with a solar share of 30 mwel net or 35 mwel gross.
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