Academic literature on the topic 'Power to gas'

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Journal articles on the topic "Power to gas"

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Giunta, G., R. Vernazza, R. Salerno, A. Ceppi, G. Ercolani, and M. Mancini. "Hourly weather forecasts for gas turbine power generation." Meteorologische Zeitschrift 26, no. 3 (June 14, 2017): 307–17. http://dx.doi.org/10.1127/metz/2017/0791.

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杨, 学军. "Economical Model Analysis of Power to Gas." Journal of Low Carbon Economy 05, no. 04 (2016): 37–42. http://dx.doi.org/10.12677/jlce.2016.54006.

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Mehar, K. U. "Gas Power Generator." International Journal for Research in Applied Science and Engineering Technology 8, no. 7 (July 31, 2020): 575–81. http://dx.doi.org/10.22214/ijraset.2020.30251.

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Ewald, Stefan, Franz Koschany, David Schlereth, Moritz Wolf, and Olaf Hinrichsen. "Power-to-Gas." Chemie in unserer Zeit 49, no. 4 (August 2015): 270–78. http://dx.doi.org/10.1002/ciuz.201500715.

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Khalilpour, Kaveh Rajab, Ignacio E. Grossmann, and Anthony Vassallo. "Integrated Power-to-Gas and Gas-to-Power with Air and Natural-Gas Storage." Industrial & Engineering Chemistry Research 58, no. 3 (December 20, 2018): 1322–40. http://dx.doi.org/10.1021/acs.iecr.8b04711.

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Zeng, Ziyu, Tao Ding, Yiting Xu, Yongheng Yang, and Zhaoyang Dong. "Reliability Evaluation for Integrated Power-Gas Systems With Power-to-Gas and Gas Storages." IEEE Transactions on Power Systems 35, no. 1 (January 2020): 571–83. http://dx.doi.org/10.1109/tpwrs.2019.2935771.

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Slocum, John C., and William P. Scharfenberg. "Power marketers surge ahead." Natural Gas 13, no. 1 (January 9, 2007): 1–6. http://dx.doi.org/10.1002/gas.3410130102.

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Ye, Jun, and Rongxiang Yuan. "Integrated Natural Gas, Heat, and Power Dispatch Considering Wind Power and Power-to-Gas." Sustainability 9, no. 4 (April 13, 2017): 602. http://dx.doi.org/10.3390/su9040602.

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Rethore, Tara J. "Uneven gas-fired power maturity curve." Natural Gas 13, no. 5 (January 10, 2007): 29–31. http://dx.doi.org/10.1002/gas.3410130509.

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Gruzevich, A. V., and D. A. Derecha. "Gas-powder spraying as a high-efficient method of increasing the operation reliability of power equipment." Paton Welding Journal 2019, no. 5 (May 28, 2019): 28–35. http://dx.doi.org/10.15407/tpwj2019.05.04.

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Dissertations / Theses on the topic "Power to gas"

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Aguilar, Ricardo Jose. "Ultra-low power microbridge gas sensor." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/43723.

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A miniature, ultra-low power, sensitive, microbridge gas sensor has been developed.The heat loss from the bridge is a function of the thermal conductivity of thegas ambient. Miniature thermal conductivity sensors have been developed for gaschromatography systems [1] and microhotplates have been built with MEMS technologywhich operates within the mW range of power [2]. In this work a lower power microbridgewas built which allowed for the amplification of the effect of gas thermalconductivity on heat loss from the heated microbridge due to the increase inthe surface-to-volume ratio of the sensing element. For the bridge fabrication,CMOS compatible technology, nanolithography, and polysilicon surfacemicromachining were employed. Eight microbridges were fabricated on each die,of varying lengths and widths, and with a thickness of 1 μm. A voltagewas applied to the sensor and the resistance was calculated based upon thecurrent flow. The response has been tested with air, carbon dioxide, helium,and nitrogen. The resistance and temperature change for carbon dioxide was thegreatest, while the corresponding change for helium was the least. Thus the selectivity of the sensor todifferent gases was shown, as well as the robustness of the sensor. Another aspect of the sensor is that it hasvery low power consumption. The measuredpower consumption at 4 Volts is that of 11.5 mJ for Nitrogen, and 16.1 mJ forHelium. Thesensor responds to ambient gas very rapidly. The time constant not only showsthe fast response of the sensor, but it also allows for more accuratedetection, given that each different gas produces a different correspondingtime constant from the sensor. The sensor is able to detect differentconcentrations of the same gas as well. Fromthe slopes that were calculated, the resistance change at 5 Volts operation wasfound to be 2.05mΩ/ppm, 1.14 mΩ/ppm at 4.5 Volts, and 0.7 mΩ/ppm at 4 Volts. Thehigher voltages yielded higher resistance changes for all of the gases thatwere tested. Theversatility of the microbridge has been studied as well. Experiments were donein order to research the ability of a deposited film on the microbridge, inthis case tin oxide, to act as a sensing element for specific gases. In thissetup, the microbridge no longer is the sensing element, but instead acts as aheating element, whose sole purpose is to keep a constant temperature at whichit can then activate the SnO film, making it able to sense methane. In conclusion,the microbridge was designed, fabricated, and tested for use as an electrothermalgas sensor. The sensor responds to ambient gas very rapidly with differentlevels of resistance change for different gases, purely due to the differencein thermal conductivity of each of the gases. Not only does it have a fastresponse, but it also operates at low power levels. Further research has beendone in the microbridge's ability to act as a heating element, in which the useof a SnO film as the sensing element, activated by the microbridge, was studied. REFERENCES: 1. D. Cruz,J.P. Chang, S.K. Showalter, F. Gelbard, R.P. Manginell, M.G. Blain," Microfabricated thermal conductivity detector for themicro-ChemLabTM," Sensors andActuators B, Vol. 121 pp. 414-422, (2007). 2. A. G. Shirke, R. E. Cavicchi, S. Semancik, R. H. Jackson, B.G. Frederick, M. C. Wheeler. "Femtomolar isothermal desorption usingmicrohotplate sensors," J Vac Sci TechnolA, Vol. 25, pp. 514-526 (2007).
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Bartlett, Michael. "Developing Humidified Gas Turbine Cycles." Doctoral thesis, KTH, Chemical Engineering and Technology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3437.

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As a result of their unique heat recovery properties,Humidified Gas Turbine (HGT) cycles have the potential todeliver resource-effective energy to society. The EvaporativeGas Turbine (EvGT) Consortium in Sweden has been studying thesetypes of cycles for nearly a decade, but now stands at acrossroads, with commercial demonstration remaining. Thisthesis binds together several key elements for the developmentof humidified gas turbines: water recovery and air and waterquality in the cycle, cycle selection for near-term, mid-sizedpower generation, and identifying a feasible niche market fordemonstration and market penetration. Moreover, possiblesocio-technical hinders for humidified gas turbine developmentare examined.

Through modelling saltcontaminant flows in the cycle andverifying the results in the pilot plant, it was found thathumidification tower operation need not endanger the hot gaspath. Moreover, sufficient condensate can be condensed to meetfeed water demands. Air filters were found to be essential tolower the base level of contaminant in the cycle. This protectsboth the air and water stream components. By capturing airparticles of a similar size to the air filters, the humidifieractually lowers air stream salt levels. Measures to minimisedroplet entrainment were successful (50 mg droplets/kg air) andmodels predict a 1% blow down from the water circuit issufficient. The condensate is very clean, with less than 1 mg/lalkali salts and easily deionised.

Based on a core engine parameter analysis for three HGTcycle configurations and a subsequent economic study, asteam-cooled steam injected cycle complemented with part-flowhumidification is recommended for the mid-size power market.This cycle was found to be particularly efficient at highpressures and turbine inlet temperatures, conditions eased bysteam cooling and even intercooling. The recommended HGT cyclegives specific investment costs 30- 35% lower than the combinedcycles and cost of electricity levels were 10-18% lower.Full-flow intercooled EvGT cycles give high performances, butseem to be penalised by the recuperator costs, while stillbeing cheaper than the CC. District heating is suggested as asuitable niche market to commercially demonstrate the HGTcycle. Here, the advantages of HGT are especially pronounceddue their very high total efficiencies. Feasibility prices forelectricity were up to 35% lower than competing combinedcycles. HGT cycles were also found to effectively include wasteheat sources.

Keywords:gas turbines, evaporative gas turbines,humidification, power generation, combined heat and powergeneration.

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Chen, Shang-Liang. "The effects of gas composition and rippled power on laser gas cutting." Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333679.

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Armillei, Claudio. "Modellazione di sistemi energetici Power to Gas." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13360/.

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Questo lavoro prevede la costruzione di un modello Matlab Simulink dell'elettrolizzatore a membrana polimerica e del metanatore Sabatier, che tiene in considerazione tutti i parametri di funzionamento come temperatura, pressione, tipologia di catalizzatore e dimensioni delle celle permettendo la simulazione del processo in regime dinamico o stazionario. Il modello dell'elettrolizzatore è stato validato per elettrolizzatori AEM (membrana scambio anionico) attraverso prove sperimentali presso l'impianto Fenice dell'ENEA. E' stata poi analizzata l'integrazione dei sistemi PtG al fotovoltaico di diversa potenza di picco, per valutarne la compatibilità. Si è visto che connettendo un elettrolizzatore AEM e PEM di 5.5 kW con FV di diversa potenza di picco (5 kW,7kW e 10 kW) si riesce ad accumulare nel migliore dei casi il 43 % dell'energia prodotta da fotovoltaico sotto forma di idrogeno. Se si procede a metanazione questo valore scende al 33 %. Tuttavia gli impianti lavorano ad efficienza quasi massima (58% per AEM e 65% per il PEM) anche ad un regime intermittente. In seguito è stata condotta un'analisi economica di come i sistemi PtG sono influenzati dal PUN (Prezzo Unico Nazionale) dell'energia elettrica. Si è visto di come sia molto conveniente utilizzare il PtG per produzione di idrogeno per applicazioni tecniche, con tempi di ritorno dell'investimento di pochi anni. Infine si è analizzata la convenienza economica di impianti FV che non godono più degli incentivi di Conto Energia di rivendere energia elettrica alla rete al prezzo del PUN o alimentare PtG. Ipotizzando tre prezzi di vendita per idrogeno come prodotto per applicazioni e come combustibile e metano, si è visto che nel primo caso è molto più conveniente produrre gas, mentre negli altri due casi i flussi di cassa sono equivalenti. L'immissione dell'idrogeno nella rete gas esistente permetterebbe l'accumulo di energia e studi dimostrano che non comporti rischi aggiuntivi, dimostrandone la compatibilità.
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Tagner, Nikita, and Arian Abedin. "Thermodynamic model for power generating gas turbines." Thesis, KTH, Energiteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-170917.

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Gasturbiner används i en mängd olika sammanhang, från kraftgenerering till flygplansmotorer. Prestandan hos gasturbiner beror på omgivningstillstånd såsom temperatur och tryck. Gasturbintillverkare förser ofta vissa parametrar, exempelvis uteffekt och massflöde i avgaserna vid väldefinierade standard tillstånd, ofta refererade till som ISO-tillstånd. På grund av det tidigare beskrivna beroendet är det nödvändigt för köpare att kunna förutspå prestandan vid platsen där gasturbinen ska användas.  I denna studie har en termodynamisk modell för kraftgenerande gasturbiner konstruerats. Modellen förutspår uteffekten vid full belastning för varierande omgivningstemperatur och omgivningstryck. Den konstruerade modellen har jämförts med prestandadata från Siemens egna modeller, vid varieande temperatur. Prestandadata för varierande tryck kunde inte erhållas.   Den konstruerade modellen är konsekvent med Siemens modeller inom vissa temperaturintervall vars längd beror på den utvärderade gasturbinens storlek. För mindre gasturbiner är temperaturintervallet för vilken den konstruerade modellen är konsekvent längre än för större gasturbiner.
Gas turbines are used for a variety of purposes ranging from power generation to aircraft engines. Their performance is dependent on ambient conditions such as temperature and pressure. Gas turbine manufacturers often provide certain parameters like power output and exhaust mass flow at well-defined standard conditions, usually referred to as ISO-conditions. Due to the aforementioned dependency, it is necessary for buyers to be able to predict gas turbine performance at their chosen site of operation. In this study, a thermodynamic model for power generating gas turbines has been constructed. It predicts the power output at full load for varying ambient temperature and pressure. The constructed model has been compared with performance data taken from Siemens own models for varying temperatures. No performance data for varying pressures could be obtained. The constructed model is consistent with the Siemens models within certain temperature intervals, which differ depending on the size of the gas turbine. For smaller gas turbines, the interval where the constructed model is consistent is greater than for larger gas turbines.
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Leung, Tommy (Tommy Chun Ting). "Coupled natural gas and electric power systems." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98547.

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Thesis: Ph. D., Massachusetts Institute of Technology, Engineering Systems Division, 2015.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (pages 235-240).
Scarce pipeline capacity in regions that rely on natural gas technologies for electricity generation has created volatile prices and reliability concerns. Gas-fired generation firms uniquely operate as large consumers in the gas market and large producers in the electricity market. To explore the effects of this coupling, this dissertation investigates decisions for firms that own gas-fired power plants by proposing a mixed-integer linear programming model that explicitly represents multi-year pipeline capacity commit- ments and service agreements, annual forward capacity offers, annual maintenance schedules, and daily fuel purchases and electricity generation. This dissertation's primary contributions consist of a detailed representation of a gas-fired power-plant owner's planning problem; a hierarchical application of a state-based dimensionality reduction technique to solve the hourly unit commitment problem over different tem- poral scales; a technique to evaluate a firm's forward capacity market offer, including a probabilistic approach to evaluate the risk of forced outages; a case study of New England's gas-electricity system; and an exploration of the applicability of forward capacity markets to reliability problems for other basic goods.
by Tommy Leung.
Ph. D.
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Zavadil, Jan. "Sezónní akumulace využívající technologii power-to-gas." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417449.

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The diploma thesis is focusing on the seasonal energy storage in synthetic fuels and the Power to Gas system (P2G). The P2G enables the conversion of electrical energy in times of electricity surplus, for example by using the surplus from renewable energy sources to produce synthetic gas, particulary hydrogen and synthetic methane. The main focus is on the technical and economic assessment of P2G of the Gazela natural gas pipeline. Furthermore, it identifies the limits of production, transportation, and storage capacities of these synthetic gases. The technical analysis assumes the injection of hydrogen of a certain molar concentration, according to the four proposed scenarios, into the natural gas transmission system in the Gazela pipeline. The results have showen that an increase in the molar fraction of hydrogen in natural gas will cause problems in gas transport and will lead to an increase in the pressure losses, an increase in flow rate, and a decrease in the storage capacity of the pipeline. The economic analysis examines the use of P2G technology in Czech conditions. It demonstrates the amount of production costs for the production of 1 MWh of synthetic gas depending on the electricity price and the operating time of the production facility. The sensitivity analysis has shown that neither hydrogen nor synthetic methane is competitive next to cheap natural gas unless measures like an increased price of emission allowances or a carbon tax are taken.
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Ojha, Abhi. "Coupled Natural Gas and Electric Power Systems." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78666.

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Decreasing gas prices and the pressing need for fast-responding electric power generators are currently transforming natural gas networks. The intermittent operation of gas-fired plants to balance wind generation introduces spatiotemporal fluctuations of increasing gas demand. At the heart of modeling, monitoring, and control of gas networks is a set of nonlinear equations relating nodal gas injections and pressures to flows over pipelines. Given gas demands at all points of the network, the gas flow task aims at finding the rest of the physical quantities. For a tree network, the problem enjoys a closed-form solution; yet solving the equations for practical meshed networks is non-trivial. This problem is posed here as a feasibility problem involving quadratic equalities and inequalities, and is further relaxed to a convex semidefinite program (SDP) minimization. Drawing parallels to the power flow problem, the relaxation is shown to be exact if the cost function is judiciously designed using a representative set of network states. Numerical tests on a Belgian gas network corroborate the superiority of the novel method in recovering the actual gas network state over a Newton-Raphson solver. This thesis also considers the coupled infrastructures of natural gas and electric power systems. The gas and electric networks are coupled through gas-fired generators, which serve as shoulder and peaking plants for the electric power system. The optimal dispatch of coupled natural gas and electric power systems is posed as a relaxed convex minimization problem, which is solved using the feasible point pursuit (FPP) algorithm. For a decentralized solution, the alternating direction method of multipliers (ADMM) is used in collaboration with the FPP. Numerical experiments conducted on a Belgian gas network connected to the IEEE 14 bus benchmark system corroborate significant enhancements on computational efficiency compared with the centralized FPP-based approach.
Master of Science
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Al-Hamdan, Qusai Zuhair Mohammed. "Design criteria and performance of gas turbines in a combined power and power (CPP) plant for electrical power generation." Thesis, University of Hertfordshire, 2002. http://hdl.handle.net/2299/14041.

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The simple gas turbine engine Operates on the basic Joule-Brayton cycle and it is notorious for its poor thermal efficiency. Several modifications have been made to the simple cycle in order to increase its thermal efficiency but, within the thermal and mechanical stress constrains, the efficiency still ranges between 28 and 35%. However, higher values of energy utilisation efficiency have been claimed in recent years by using low grade heat from the engine exhaust either for district heating or for raising low pressure steam for chemical processes. Both applications are not very attractive in hot countries. The concept of using the low grade thermal energy from the gas turbine exhaust to raise steam in order to drive a steam turbine and generate additional electricity, i. e. the combined power and power or CPP plant would be more attractive in hot countries than the CHP plant. It was hypothesized that the operational parameters, hence the performance of the CPP plant, would depend on the allowable gas turbine entry temperature. Hence, the exhaust gas temperature could not be decided arbitrarily. This thesis deals with the performance of the gas turbine engine operating as a part of the combined power and power plant. In a CPP plant, the gas turbine does not only produce power but also the thermal energy that is required to operate the steam turbine plant at achievable thermal efficiency. The combined gas turbine-steam turbine cycles are thermodynamically analysed. A parametric study for different configurations of the combined gas-steam cycles has been carried out to show the influence of the main parameters on the CPP cycle performance. The parametric study was carried out using realistic values in view of the known constraints and taking into account any feasible future developments. The results of the parametric study show that the maximum CPP cycle efficiency would be at a point for which the gas turbine cycle would have neither its maximum efficiency nor its maximum specific work output. It has been shown that supplementary heating or gas turbine reheating would decrease the CPP cycle efficiency; hence, it could only be justified at low gas turbine inlet temperatures. Also it has been shown that although gas turbine intercooling would enhance the performance of the gas turbine cycle, it would have only a slight effect on the CPP cycle performance. A graphical method for studying operational compatibility, i.e. matching, between gas turbine components has been developed for a steady state or equilibrium operation. The author would like to submit that the graphical method offers a novel and easy to understand approach to the complex problem of component matching. It has been shown that matching conditions between the compressor and the turbine could be satisfied by superimposing the turbine performance characteristics on the compressor performance characteristics providing the axes of both were normalised. This technique can serve as a valuable tool to determine the operating range and the engine running line. Furthermore, it would decide whether the gas turbine engine was operating in a region of adequate compressor and turbine efficiencies. A computer program capable of simulating the steady state off-design conditions of the gas turbine engine as part of the CPP plant has been developed. The program was written in Visual Basic. Also, another program was developed to simulate the steady state off-design operation of the steam turbine power plant. A combination of both programs was used to simulate the combined power plant. Finally, it could be claimed that the computer simulation of the CPP plant makes significant contribution to the design of thermal power plants as it would help in investigating the effects of the performance characteristics of the components on the performance of complete engines at the design and off-design conditions. This investigation of the CPP plant performance can be carried out at the design and engineering stages and thus help to reduce the cost of manufacturing and testing the expensive prototype engines.
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Papadopoulos, Tilemachos. "Gas turbine cycles for intermediate load power generation." Thesis, Cranfield University, 2005. http://dspace.lib.cranfield.ac.uk/handle/1826/10718.

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The objective of this thesis is to determine if an advanced gas turbine cycle exists, which can compete with the simple and the combined cycles in the intermediate load electricity generation market; defined as the market with annual utilisation between 3,000 to 6,000 operating hours. Several thermodynamic cycles in the 100MW and 200MW power output range are investigated and compared to base reference simple and combined cycles that have been defined by a survey of existing models in the market. For the investigation of these cycles, gt-ETA (gas turbine - Economic and Technical Analysis) has been developed; a software for the design and off-design thermodynamic performance and the economic evaluation of gas turbine cycles. A new method is proposed for calculating the total capital investment of a advanced cycle engine project. This is based on deriving empirical relations linking the purchased equipment cost to power output and thermal efficiency, based on published data for simple cycle engines. Standardised values are used for the specific costs of different performance improvement' packages. A optimisation process is developed for the determination of the optimum split between the capital investment of a baseline' simple cycle engine and a 'performance improvement package. For accurate performance calculations a cooling air model has been created based on either the direct definition of cooling air amounts or the required hot gas path component metal temperatures. The model is able to select the optimum cooling configuration considering the temperature and pressure of mixing streams. The advanced cycles are competitive against base reference cycles only in the power range of l00MW. From the configurations considered, the recuperated cycle with spray intercooling seems to be the most promising option with a wide range of competitiveness at both design and off-design operating conditions and along the sensitivity range of changing fuel prices.
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Books on the topic "Power to gas"

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Moreira da Silva, Miguel. Power and Gas Asset Management. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36200-3.

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Gas supply. London: Franklin Watts, 2009.

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Levete, Sarah. Energy: Nuclear power. North Mankato, MN: Stargazer Books, 2006.

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1951-, Kehlhofer Rolf, ed. Combined-cycle gas & steam turbine power plants. 3rd ed. Tulsa, Okla: Penwell, 2008.

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1951-, Kehlhofer Rolf, and Kehlhofer Rolf 1951-, eds. Combined-cycle gas & steam turbine power plants. 2nd ed. Tusla, Okla: PennWell, 1999.

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Kehlhofer, Rolf. Combined-cycle gas & steam turbine power plants. Lilburn, GA: Fairmont Press, 1991.

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Environment, Alberta Alberta. Specified gas emitters regulation: Technical guidance document for 2007 specified gas compliance reports. [Edmonton]: Alberta Environment, 2007.

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Inc, Energy Consulting. Gas-fired cogeneration plant in Stettler. Calgary, Alta: Energy Resources Conservation Board, 1993.

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James, Newcomb, and Cambridge Energy Research Associates, eds. Generation gap: U.S. natural gas and electric power in the 1990s. Cambridge, MA (Charles Square, 20 University Rd., Cambridge 02138): Cambridge Energy Research Associates, 1991.

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Benduhn, Tea. Oil, gas, and coal. Pleasantville, NY: Gareth Stevens Pub., 2009.

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Book chapters on the topic "Power to gas"

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Smith, Raub W., and S. Can Gülen. "Natural Gas Power natural gas power." In Encyclopedia of Sustainability Science and Technology, 6804–52. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-0851-3_100.

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Smith, Jeffrey M. "Gas Turbines." In Power Plant Engineering, 659–88. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0427-2_20.

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Barquín, Julián. "Electricity and Gas." In Power Systems, 623–46. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5034-3_13.

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Sterner, Michael. "Power-to-Gas." In Handbook of Climate Change Mitigation and Adaptation, 2775–825. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-14409-2_89.

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Zohuri, Bahman, and Patrick McDaniel. "Gas Power Cycles." In Thermodynamics In Nuclear Power Plant Systems, 355–415. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13419-2_14.

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Boxer, G. "Gas Power Cycles." In Work Out Engineering Thermodynamics, 119–30. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-09346-5_11.

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Dick, Erik. "Power Gas Turbines." In Fundamentals of Turbomachines, 369–418. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-9627-9_11.

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Zohuri, Bahman, and Patrick McDaniel. "Gas Power Cycles." In Thermodynamics in Nuclear Power Plant Systems, 351–412. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93919-3_14.

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Smith, Raub W., and S. Can Gülen. "Natural Gas Power." In Fossil Energy, 249–307. New York, NY: Springer New York, 2020. http://dx.doi.org/10.1007/978-1-4939-9763-3_100.

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Sherwin, Keith. "Gas power cycles." In Introduction to Thermodynamics, 156–80. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1514-8_8.

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Conference papers on the topic "Power to gas"

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Badykov, Renat, Sergei Falaleev, Houston Wood, and Alexander Vinogradov. "Gas film vibration inside dry gas seal gap." In 2018 Global Fluid Power Society PhD Symposium (GFPS). IEEE, 2018. http://dx.doi.org/10.1109/gfps.2018.8472383.

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Zhou, Bin. "Risk Analysis of Power-Gen Gas Turbines With GADS Outage Data." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3086.

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According to FM Global proprietary data, power-gen gas turbine losses have consistently represented a dominant share of the overall equipment-based loss value over the past decade. Effective assessment of loss exposure or risk related to gas turbines has become and will continue to be a critical but challenging task for property insurers and their clients. Such systematic gas turbine risk assessment is a necessary step to develop strategies for turbine risk mitigation and loss prevention. This paper presents a study of outage data from the Generating Availability Data System (GADS) by the North American Electric Reliability Corporation (NERC). The risk of forced outages in turbines was evaluated in terms of outage days and number of outages per unit-year. In order to understand the drivers of the forced outages, the influence of variables including turbine age, capacity, type, loading characteristic, and event cause codes were analyzed by grouping the outage events based on the chosen values (or ranges of values) of these variables. A list of major findings related to the effect of these variables on the risk of forced outage is discussed.
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Guiping Li. "Numerical calculation of gas breakdown in ultrafast gas switch." In Pulsed Power Seminar. IEE, 2003. http://dx.doi.org/10.1049/ic:20030093.

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Kokubu, Kunihiro, Masakazu Hishinuma, and Daisuke Isshiki. "Development of Gas Mixture System of Biogas and Natural Gas for Gas Engine Cogeneration." In ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50368.

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Tokyo Gas has developed a compact and high-efficiency cogeneration system which can run with the mixture of biogas and natural gas, based on a new concept. To utilize the biogas whose amount of production varies from time to time, we have developed a gas mixture system that utilizes as much biogas as possible under simple and reliable control. Also, we have developed an air dilution system of natural gas to maintain stable combustion at the engine. Due to this system, the mixture ratio of biogas and natural gas can be anything from 0% to 100%. Further more, since this system is equipped with multiple safety measures, cogeneration system can continue its operation even after any thinkable malfunctions of the system. This gas mixture system and cogeneration plant has been installed at a beer brewery near Tokyo, and operating without any major troubles.
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Li, Bryan, Mike J. Gross, and Thomas P. Schmitt. "Gas Turbine Gas Fuel Composition Performance Correction Using Wobbe Index." In ASME 2010 Power Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/power2010-27093.

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Gas turbine thermal performance is dependent on many external conditions, including fuel gas composition. Variations in composition cause changes in output and heat consumption during operation. Measured performance must be corrected to specified reference conditions prior to comparison against performance specifications. The fuel composition is one such condition for which performance corrections are required. The methodology of fuel composition corrections can take various forms. One current method of correction commonly used is to characterize fuel composition effects as a function of heating value and hydrogen-to-carbon ratio. This method has been used in the past within a limited range of fuel composition variation around the expected composition, yielding relatively small correction factors on the order of +/− 0.1%. Industry trends suggest that gas turbines will continue to be exposed to broader ranges of gas constituents, and the corresponding performance effects will be much larger. For example, liquefied natural gas, synthesized low BTU fuel, and bio fuels are becoming more common, with associated performance effects of +/− 0.5% or greater. As a result of these trends, performance test results will bear a greater dependency on fuel composition corrections. Hence, a more comprehensive correction methodology is required to encompass a broader range of fuel constituents encountered. Combustion system behavior, specifically emissions and flame stability, is also influenced by variations in fuel gas composition. The power generation industry uses Wobbe Index as an indicator of fuel composition. Wobbe Index relates the heating value of the fuel to its density. High variations in Wobbe Index can cause operability issues including combustion dynamics and increased emissions. A new method for performance corrections using Wobbe Index as the correlating fuel parameter has been considered. Analytical studies have been completed with the aid of thermodynamic models to identify the extent to which the Wobbe Index can be used to correlate the response of the gas turbine performance parameters to fuel gas composition. Results of the study presented in this paper suggest that improved performance test accuracy can be achieved by using Wobbe Index as a performance correction parameter, instead of the aforementioned conventional fuel characteristics. Furthermore, a relationship between this method’s accuracy and CO2 content of fuel is established such that an additional correction yields results with even better accuracy. This proposed method remains compliant with intent of internationally accepted test codes such as ASME PTC-22, ASME PTC-46, and ISO 2314.
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Lim, Meng Hee, Salman Leong, and Kar Hoou Hui. "Blade Faults Diagnosis in Power Generation Gas Turbines." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3716.

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This paper presents a case study in managing the dilemma of whether to resume or stop the operation of a power generation gas turbine with suspected blade faults. Vibration analysis is undertaken on the vibration signal of the gas turbine, to obtain an insight into the health condition of the blades before any decision is made on the operation of the machine. Statistical analysis is applied to study the characteristics of the highly unstable blade pass frequency (BPF) of the gas turbine and to establish the baseline data used for blade fault assessment and diagnosis. Based on the excessive increase observed on specific BPF amplitudes in comparison to the statistical baseline data, rubbing at the compressor blade is suspected. An immediate overhaul is therefore warranted, and the results from the inspection of the machine confirm the occurrence of severe rubbing at the compressor blades and labyrinth glands of the gas turbine. In conclusion, statistical analysis of BPF amplitude is found to be a viable tool for blade fault diagnosis in industrial gas turbines.
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Suomilammi, Ari. "Vent Gas Collection From Gas Compressor Dry Gas Seals." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53154.

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Gasum is an importer of natural gas and is operating and maintaining the Finnish transmission pipeline in which the pressure is maintained with three compressor stations. Gasum’s compressor stations are unmanned and remotely controlled from the central control room. Some of the compressor units are equipped with dry gas seals. The otherwise satisfactory operation of dry gas seals has the disadvantage of methane emissions. Reduction of methane emissions has been stated as a target by international auspices of the Kyoto Protocol or through national programs seeking to reduce emissions. The application described in this paper to collect vent gases from the dry gas seals was installed into four of the compressor units during 2001. The compressors are centrifugal compressors: two of them are Nuovo Pignone PCL603 with PGT10DLE (10 MW) gas turbine and two are Demag DeLaval 2B-18/18 with Siemens Tornado gas turbines (6,5 MW). It is normal for dry gas seals to have a small leakage of gas through the seals due to the function principle and required cooling of the seals. This gas emitted from the seals is normally about of 5...10nm3/h per one compressor unit during operation and during the stand-still the leakage is almost zero. In the year 2000 the total amount of emitted gas in Gasum’s units was about 50.000 nm3 per four compressor units. The target was to find an efficient method to collect the dry gas seal vent gas and utilize it. The solution must be simple and its investment costs must be feasible. Injection of the vent gases to the gas turbine inlet air flow was selected as a solution among some alternatives. The operating experience so far has been several thousands of operating hours without any malfunctions. The amount of collected gas by this system has been in the range of 80.000 nm3 per annum. The total cost of the system for four compressor units was about 85.000€. The intention of this paper is not to describe any scientific approach to the issue but to present a practical solution with operating experience.
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Rodgers, Colin. "Power Dense Gas Turbine APUs." In ASME 1985 International Gas Turbine Conference and Exhibit. American Society of Mechanical Engineers, 1985. http://dx.doi.org/10.1115/85-gt-124.

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Future high performance aircraft will require more compact, lighter weight, and self-sufficient secondary power equipment capable of faster starting and delivering high specific powers over wider operating envelopes of inlet temperatures and altitudes. Meeting these requirements may not be entirely compatible with improving thermal efficiency, particularly for the small air-breathing gas turbine since optimum cycle conditions differ for maximum specific power and specific fuel consumption. Further conflict lies in the necessity to provide faster start times with a limited capacity of stored on-board start energy, because compressor and turbine inertias must be minimized although compressor and turbine airflow-swallowing capacity must be maximized. This paper discusses the numerous design disciplines which constrain power density for small gas turbine auxiliary power units. Several potentially profitable development avenues are suggested for continuing the improvement of aircraft system performance.
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KUHLMAN, J., and G. MOLEN. "Performance of high-power gas-flow spark gaps." In 23rd Aerospace Sciences Meeting. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1985. http://dx.doi.org/10.2514/6.1985-134.

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10

LeClair, Kristen, Thomas Schmitt, and Garth Frederick. "Gas Turbine Part Load Exhaust Gas Emissions Turndown Envelope Testing Methodology." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81099.

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Economic and regulatory requirements have transformed today’s power plant operations. High reserve margins and increased fuel costs have driven combined cycle plants that were once dispatched primarily at base-load to be cycled off during off-peak hours. For many plants, the increased cycling has contributed to shorter maintenance intervals and higher overall operating costs. Technology advancements in combustion system design and in gas turbine control systems has led to extensions in the emissions-compliant operating window of gas turbines, also known as turndown. With extended turndown capability, customers are now able to significantly reduce fuel consumption during minimum load operation at off-peak hours, while simultaneously minimizing the number of shutdowns. Extended turndown reduces operational costs by offsetting the fuel consumption costs against the costs associated with starting up and the maintenance costs associated with such starts. Along with the increased emphasis on turndown capability, there has been a rising need to develop and standardize methods by which turndown capability can be accurately measured and reported. By definition, the limiting factor for turndown is the exhaust gas emissions, primarily CO and NOx. A concurrent and accurate measurement of performance and emissions is an essential ingredient to the determination of turndown capability. Of particular challenge is the method by which turndown results that were measured at one set of ambient conditions can be accurately projected to a specific guarantee condition, or to a range of ambient conditions, for which turndown capabilities have been guaranteed. The turndown projection methodology needs to consider combustion physics, control system algorithms, and basic cycle thermodynamics. Recent advances in the integration of empirically tuned physics-based combustion models with control system models and the gas turbine thermodynamic simulation, has resulted in test procedures for use in the contractual demonstration of turndown capability. A discussion of these methods is presented, along with data showing the extent to which the methods have provided accurate and repeatable test results.
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Reports on the topic "Power to gas"

1

Peterson, Per F. Coiled Tube Gas Heaters For Nuclear Gas-Brayton Power Conversion. Office of Scientific and Technical Information (OSTI), March 2018. http://dx.doi.org/10.2172/1434471.

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Deb, Kaushik. Gas Demand Growth Beyond Power Generation. King Abdullah Petroleum Studies and Research Center, May 2019. http://dx.doi.org/10.30573/ks--2019-dp62.

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Ramachandran, Thiagarajan, Patrick Balducci, and Di Wu. Power-to-Gas Tool: User's Guide. Office of Scientific and Technical Information (OSTI), June 2020. http://dx.doi.org/10.2172/1657343.

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Balducci, Patrick, Di Wu, Thiagarajan Ramachandran, Allison Campbell, Vanshika Fotedar, Kendall Mongird, Sen Huang, et al. Power-to-Gas System Valuation – Final Report. Office of Scientific and Technical Information (OSTI), June 2020. http://dx.doi.org/10.2172/1657345.

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Eichman, Joshua D., and Francisco Flores-Espino. California-Specific Power-to-Hydrogen and Power-to-Gas Business Case Evaluation. Office of Scientific and Technical Information (OSTI), February 2018. http://dx.doi.org/10.2172/1421599.

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Scroppo, J. A. Simulated Coal Gas MCFC Power Plant System Verification. Office of Scientific and Technical Information (OSTI), September 1998. http://dx.doi.org/10.2172/3805.

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James III PhD, Robert E., and Timothy J. Skone. LCA: Natural Gas Combined Cycle (NGCC) Power Plant. Office of Scientific and Technical Information (OSTI), June 2013. http://dx.doi.org/10.2172/1526699.

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J.A. Scroppo. SIMULATED COAL GAS MCFC POWER PLANT SYSTEM VERIFICATION. Office of Scientific and Technical Information (OSTI), July 1998. http://dx.doi.org/10.2172/769309.

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9

Peng, Donna, and Rahmatallah Poudineh. Gas-to-Power Supply Chains in Developing Countries. Oxford Institute for Energy Studies, March 2017. http://dx.doi.org/10.26889/9781784670818.

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Eichman, Josh, and Francisco Flores-Espino. California Power-to-Gas and Power-to-Hydrogen Near-Term Business Case Evaluation. Office of Scientific and Technical Information (OSTI), December 2016. http://dx.doi.org/10.2172/1337476.

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