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Добірка наукової літератури з теми "Wind power plants Victoria"

Автор: Grafiati
Опубліковано: 10 грудня 2022
Оновлено: 29 січня 2023

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Статті в журналах з теми "Wind power plants Victoria"

1

Keddie, Tom. "Wind power in Victoria." Proceedings of the Royal Society of Victoria 126, no. 2 (2014): 20. http://dx.doi.org/10.1071/rs14020.

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In terms of generation capacity, Victoria has about 12,500 MW, out of a National Electricity Market (NEM) total of over 46,000 MW. A bit over half of Victoria’s capacity is made up of the brown coal generators in the Latrobe Valley (Loy Yang, Hazelwood, Yallourn). Gas-fired generation (mainly large open-cycle peaking plants, designed to operate only in times of high demand) and hydro plants (mainly parts of the Snowy scheme) add about 20% each, with wind currently making up the balance of around 9% of installed capacity in Victoria. In terms of wind farm location across the NEM, installed capacity is predominantly located in Victoria and South Australia, and to a lesser extent in Tasmania, with very small amounts in New South Wales and Queensland. This distribution is almost entirely due to the quality of the wind resource across the country.
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Zonyane, Samkele, Olaniyi A. Fawole, Chris la Grange, Maria A. Stander, Umezuruike L. Opara, and Nokwanda P. Makunga. "The Implication of Chemotypic Variation on the Anti-Oxidant and Anti-Cancer Activities of Sutherlandia frutescens (L.) R.Br. (Fabaceae) from Different Geographic Locations." Antioxidants 9, no. 2 (February 13, 2020): 152. http://dx.doi.org/10.3390/antiox9020152.

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Extracts of Sutherlandia frutescens (cancer bush) exhibit considerable qualitative and quantitative chemical variability depending on their natural wild origins. The purpose of this study was thus to determine bioactivity of extracts from different regions using in vitro antioxidant and anti-cancer assays. Extracts of the species are complex and are predominantly composed of a species-specific set of triterpene saponins (cycloartanol glycosides), the sutherlandiosides, and flavonoids (quercetin and kaempferol glycosides), the sutherlandins. For the Folin-Ciocalteu phenolics test values of 93.311 to 125.330 mg GAE/g DE were obtained. The flavonoids ranged from 54.831 to 66.073 mg CE/g DE using the aluminum chloride assay. Extracts from different sites were also assayed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH•) radical scavenging method and ferric reducing anti-oxidant power (FRAP) methods. This was followed by an in vitro Cell Titer-Glo viability assay of various ecotypes using the DLD-1 colon cancer cell line. All test extracts displayed anti-oxidant activity through the DPPH• radical scavenging mechanism, with IC50 values ranging from 3.171 to 7.707 µg·mL−1. However, the degree of anti-oxidant effects differed on a chemotypic basis with coastal plants from Gansbaai and Pearly Beach (Western Cape) exhibiting superior activity whereas the Victoria West inland group from the Northern Cape, consistently showed the weakest anti-oxidant activity for both the DPPH• and FRAP methods. All extracts showed cytotoxicity on DLD-1 colon cancer cells at the test concentration of 200 µg·mL−1 but Sutherlandia plants from Colesburg (Northern Cape) exhibited the highest anti-cancer activity. These findings confirm that S. frutescens specimens display variability in their bioactive capacities based on their natural location, illustrating the importance of choosing relevant ecotypes for medicinal purposes.
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DeMeo, E. A., W. Grant, M. R. Milligan, and M. J. Schuerger. "Wind plant integration [wind power plants." IEEE Power and Energy Magazine 3, no. 6 (November 2005): 38–46. http://dx.doi.org/10.1109/mpae.2005.1524619.

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Limonov, L., and J. Sokolovsky. "GEARLESS WIND POWER PLANTS." Energy saving. Power engineering. Energy audit., no. 1(149) (November 30, 2019): 45–51. http://dx.doi.org/10.20998/2313-8890.2019.01.06.

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5

Quraeshi, S. "Solar/wind power plants." Solar & Wind Technology 4, no. 1 (January 1987): 51–54. http://dx.doi.org/10.1016/0741-983x(87)90007-5.

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Solovev, Bogdan, and Giorgi Gamisonia. "WIND POWER PREDICTION METHODS FOR SHELF WIND POWER PLANTS." Electrical and data processing facilities and systems 18, no. 3-4 (2022): 108–20. http://dx.doi.org/10.17122/1999-5458-2022-18-3-4-108-120.

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Relevance Wind energy forecasting is an opportunity to evaluate the production possibilities of a wind farm in the short term. Production often refers to the available capacity of the wind farm in question. For example, to date, the installed wind power in Russia has reached 20 GW. Direct transmission operators use existing tools to forecast wind production up to 48 hours. Forecasting tools help optimize power system management. This article discusses the abundance of relevant forecasting methods in the field of wind energy, evaluates their effectiveness and value for the most effective control of wind energy. Particular attention is paid to the ongoing development of wind energy forecasting models to meet the specifics of shelf. Aim of research Conduct a comparative analysis of existing forecasting methods in the field of wind energy under general given conditions, choose the best method for a particular case. Research methods To solve the problem, the authors conducted a comparative analysis of the popular, currently existing methods for forecasting wind farms, comparing their applicability with the specification of the area of use. Results In the course of the study, modern wind energy forecasting tools were analyzed, a comparative analysis was carried out, and conclusions were drawn about the applicability of each of the methods. Keywords: wind energy, short-term forecasting, shelf, optimization, efficiency, model, tool, control, mathematical model, forecast error level
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Kuznetsov, P. N., V. V. Cheboxarov, and B. A. Yakimovich. "Hybrid Wind-Solar Power Plants." Bulletin of Kalashnikov ISTU 23, no. 1 (June 15, 2020): 45. http://dx.doi.org/10.22213/2413-1172-2020-1-45-53.

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Приведен анализ известных подходов к созданию гибридных ветро-солнечных энергетических установок. На примерах показано, что размещение фотоэлектрических преобразователей на роторах ветрогенераторов, существующих конструкций является неэффективным решением по ряду факторов. Представлено описание конструкции гибридной ветро-солнечной установки, разработанной ООО «НТЦ «Солнечная энергетика», с вертикальным ротором Дарье и фотоэлектрическими преобразователями, расположенными на общей опорной конструкции, позволяющей получить положительный синергетический эффект от использования двух возобновляемых источников энергии. Приведены достоинства данного решения, одними из которых является повышение энергетической эффективности фотоэлектрических преобразователей за счет интенсификации теплоотвода от поверхности фотоэлементов ветровым потоком от ротора Дарье, эффективное использование площади и стабильность выдачи электроэнергии.Приведены преимущества использования гибридных установок, работающих от возобновляемых источников энергии, в частности ветро-солнечных установок. Описаны возможные пути снижения негативных последствий, вызванных нестабильным характером выработки электроэнергии такими установками.Описаны результаты проведенных работ, направленных на повышение энергетической эффективности ротора ветроустановки и фотоэлектрических преобразователей за счет установки оптимального угла лопастей и фотоэлектрических модулей. Результатами моделирования показано, что максимальное значение коэффициента использования ветра достигается при установке лопастей под углом 38°, а оптимальный угол установки фотоэлектрических модулей для г. Севастополя составляет 34°. Приведены оценочные расчеты энергетических параметров комбинированной ветро-солнечной установки.
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Föllings, F. J., and A. E. Pfeiffer. "Economics of wind power plants." Journal of Wind Engineering and Industrial Aerodynamics 27, no. 1-3 (January 1988): 263–74. http://dx.doi.org/10.1016/0167-6105(88)90041-4.

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Wan, Yih-huei, Michael Milligan, and Brian Parsons. "Output Power Correlation Between Adjacent Wind Power Plants*." Journal of Solar Energy Engineering 125, no. 4 (November 1, 2003): 551–55. http://dx.doi.org/10.1115/1.1626127.

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Анотація:
The National Renewable Energy Laboratory (NREL) started a project in 2000 to record long-term, high-frequency (1-Hz) wind power data from large commercial wind power plants in the Midwestern United States. Outputs from about 330 MW of installed wind generating capacity from wind power plants in Lake Benton, MN, and Storm Lake, Iowa, are being recorded. Analysis of the collected data shows that although very short-term wind power fluctuations are stochastic, the persistent nature of wind and the large number of turbines in a wind power plant tend to limit the magnitude of fluctuations and rate of change in wind power production. Analyses of power data confirms that spatial separation of turbines greatly reduces variations in their combined wind power output when compared to the output of a single wind power plant. Data show that high-frequency variations of wind power from two wind power plants 200 km apart are independent of each other, but low-frequency power changes can be highly correlated. This fact suggests that time-synchronized power data and meteorological data can aid in the development of statistical models for wind power forecasting.
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Wan, Yih-huei, and Demy Bucaneg,. "Short-Term Power Fluctuations of Large Wind Power Plants*." Journal of Solar Energy Engineering 124, no. 4 (November 1, 2002): 427–31. http://dx.doi.org/10.1115/1.1507762.

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To evaluate short-term wind power fluctuations and their impact on electric power systems, the National Renewable Energy Laboratory, in cooperation with Enron Wind, has started a project to record output power from several large commercial wind power plants at the 1-Hertz rate. This paper presents statistical properties of the data collected so far and discusses the results of data analysis. From the available data, we can already conclude that despite the stochastic nature of wind power fluctuations, the magnitudes and rates of wind power changes caused by wind speed variations are seldom extreme, nor are they totally random. Their values are bounded in narrow ranges. Power output data also show significant spatial variations within a large wind power plant. The data also offer encouraging evidence that accurate wind power forecasting is feasible. To the utility system, large wind power plants are not really random burdens. The narrow range of power level step changes provides a lot of information with which system operators can make short-term predictions of wind power. Large swings of wind power do occur, but those infrequent large changes (caused by wind speed changes) are always related to well-defined weather events, most of which can be accurately predicted in advance.
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Дисертації з теми "Wind power plants Victoria"

1

Barry, Martin. "Distributed small-scale wind in New Zealand : advantages, barriers and policy support instruments : a thesis submitted to the Victoria University of Wellington in partial fulfilment of the requirements for the degree of Master of Environmental Studies /." ResearchArchive@Victoria e-Thesis, 2007. http://hdl.handle.net/10063/87.

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Shams, Solary Arasto. "Wind power plants integration to the power grid." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-200633.

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Tamadon, Nahal. "Specification and Classification of Wind Power Plants." Thesis, KTH, Skolan för elektro- och systemteknik (EES), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-200628.

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Montenegro, León Alejandro. "Advanced power electronic for wind-power generation buffering." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0010112.

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Díaz-González, Francisco. "Contributions of flywheel systems in wind power plants." Doctoral thesis, Universitat Politècnica de Catalunya, 2013. http://hdl.handle.net/10803/129688.

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The stepwise replacement of conventional power plants by renewable-based ones such as wind power plants could a ect the system behaviour and planning. First, the network stability may be compromised as it becomes less resilient against sudden changes in the loads or generator trips. This is because wind turbines are not synchronized with network frequency but they are usually connected to the grid through fast controllable electronic power converters. And second, due to the stochastic nature of wind, the electrical power generated by wind power plants is neither constant non controllable. This aff ects the network planning as the expected generation level depends on non reliable wind forecasts. Also it aff ects the power quality as the fast fluctuations of wind power can cause harmonics and flicker emissions. For these reasons, network operators gradually set up more stringent requirements for the grid integration of wind power. These regulations require wind power plants to behave in several aspects as conventional synchronized generating units. Among other requirements, it is set the provision of some ancillary services to the grid as frequency and voltage control, the capability of withstanding short-circuits and faults, and to respect some threshold level with regard to the quality of the power generated. Accordingly, energy storage systems may play an important role in wind power applications by enhancing the controllability of the output of wind power plants and providing ancillary services to the power system and thus, enabling an increased penetration of wind power in the system. This thesis focuses on the potential uses of flywheel energy storage systems in wind power. The thesis introduces the basis of several energy storage systems as well as identi es their applications in wind power based on an extensive literature review. It follows with the presentation of the design and setting up of a scale-lab flywheel-based energy storage system. From this work, research concentrates on the application of flywheel devices for power smoothing of wind power plants. The developed concepts are proved by simulations but also experimentally using the above mentioned scale-lab test bench. In particular, research focuses on the de nition of an optimization criteria for the operation of flywheel devices while smoothing the wind power, and the design and experimental validation of the proposed control algorithms of the storage device. The last chapters of the thesis research on the role of wind power plants in system frequency control support. In this sense, an extensive literature review on the network operator's requirements for the participation of wind power plants in system frequency control related-tasks is off ered. Also, this review covers the proposed control methods in the literature for enabling wind turbines to participate in system frequency control. The results of this work open the door to the design of control systems of wind turbines and wind power plants for primary frequency control. The contribution of flywheel devices is also considered. Results highlight the tremendous potential of energy storage systems in general for facilitating the grid integration of wind power plants. Regarding the uses of flywheel devices, it is worth noting that some of their characteristics as the high-ramp power rates can be exploited for reducing the variability of the power generated by wind turbines, and thus for improving the quality of the power injected to the grid by wind power plants. Also, they can support wind power plants to ful l the requirements for their participation in system frequency control support related tasks.
El progressiu despla cament de plantes de generaci o convencionals per part de plantes de generaci o de tipus renovable, com els parcs e olics, pot afectar el comportament i la plani caci o del sistema el ectric. Primer, l'estabilitat pot ser compromesa ja que el sistema el ectric resulta m es vulnerable davant canvis abruptes provocats per les c arregues del sistema o desconnexions no programades de generadors. Aix o es degut a que les turbines e oliques no estan sincronitzades amb la freqü encia el ectrica del sistema ja que la seva connexi o es a trav es de convertidors electr onics de pot encia. Segon, degut a la gran variabilitat del vent, la pot encia el ectrica generada per les turbines e oliques no es constant ni controlable. En aquest sentit, la qualitat de la pot encia del parc e olic es pot veure compromesa, ja que es poden detectar nivells apreciables d'harm onics i emissions de "flicker" degudes a les r apides variacions de la pot encia generada pel parc e olic. Per aquests motius, els operadors dels sistemes el ectrics fan gradualment m es restrictius els requeriments de connexi o dels parcs e olics al sistema el ectric. Aquestes regulacions requereixen als parcs e olics que es comportin en molts aspectes com plantes de generaci o convencional. Entre d'altres requeriments, els parcs e olics han de proveir serveis auxiliars per a la operaci o del sistema el ectric com tamb e el suport en el control dels nivells de tensi o i freqü encia de la xarxa; oferir suport durant curtcircuits; i mantenir uns nivells m nims en la qualitat de la pot encia generada. Els sistemes d'emmagatzematge d'energia poden millorar la controlabilitat de la pot encia generada pels parcs e olics i ajudar a aquests a proveir serveis auxiliars al sistema el ectric, afavorint aix la seva integraci o a la xarxa. Aquesta tesi tracta l'aplicaci o en parcs e olics dels sistemes d'emmagatzematge d'energia basats en volants d'in ercia. La tesi introdueix les bases de diversos sistemes d'emmagatzematge i identi ca les seves potencials aplicacions en parcs e olics en base a una extensa revisi o bibliogr a ca. El treball continua amb la posta a punt d'un equipament de laboratori, que con gura un sistema d'emmagatzematge d'energia basat en un volant d'in ercia. Següents cap tols de la tesi estudien l'aplicaci o dels volants d'in ercia per a esmorteir el per l fluctuant de la pot encia generada pels parcs e olics. Els treballs es focalitzen en la de nici o dels criteris per a la operaci o optima dels volants d'in ercia per la seva aplicaci o d'esmorteir el per l fluctuant de potencia e olica, i tamb e en el disseny i validaci o experimental dels algoritmes de control desenvolupats per governar el sistema d'emmagatzematge. Els cap tols finals de la tesi tracten sobre el suport al control de freqü encia per part dels parcs e olics. S'ofereix una extensa revisi o bibliografica respecte els requeriments indicats pels operadors del sistema el ectric en aquest sentit. A m es, aquesta revisi o cobreix els m etodes de control dels parcs e olics i turbines e oliques per la seva participaci o en el suport al control de freqü encia. Les conclusions extretes serveixen per proposar sistemes de control de parcs e olics i de turbines e oliques per proveir el servei de control de freqüencia. Aquest treball, tamb e contempla la inclusi o de volants d'in ercia en els parcs e olics. Dels resultats de la tesi se'n dedueix l'important potencial dels sistemes d'emmagatzematge d'energia per a afavorir la integraci o a la xarxa dels parcs e olics. La controlabilitat de la pot encia dels volants d'in ercia, afavoreix el seu us per reduir la variabilitat de la pot encia generada pels parcs e olics, millorant aix la qualitat de pot encia del mateix. A m es, els volants d'in ercia poder ajudar als parcs e olics a complir amb els requeriments per a la seva integraci o a xarxa, com la participaci o en el control de freqüencia del sistema el ectric.
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6

Li, Pei 1981. "Controlling hour-long power of wind farms." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112574.

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Анотація:
In attempting to control the power output of a wind farm, it is first necessary to smooth the power fluctuations due to wind turbulence. This is accomplished by spatial smoothing, whereby the high frequency power components of a single wind turbine generator (WTG) is reduced by a factor of N-1/2, where N is the number of WTGs in the farm. For this reason the first part of the thesis is concerned with developing a model of smoothing in a wind farm and justifying it mathematically.
After spatial smoothing, the wind farm output still contains low frequency fluctuations. The second part of the thesis makes use of a combination of: (i) pitch angle control of the turbine blades, (ii) power electronic control of the generators, (iii) spatial filtering and (iv) negative feedback control to remove the low frequency fluctuations. The wind farm output then has the quality to be sold as regulated power which fetches a better economic return than when sold as energy. This, of course, presumes that 1-hour ahead prediction of wind velocity at 1-hour long low variance is available.
The thesis also considers the case when the conditions for regulated power are not predicted. In this situation, the wind farm may opt to use the tracking mode which tracks the slowly time varying non-turbulent wind power. The thesis examines the possibility of diverting some of the wind farm power to implement dynamic performance enhancement strategies, for system damping for example.
The controllability of the wind farm is demonstrated by simulations of a wind farm made up of 24 wind turbine-generators (WTGs) using 1-hour long wind velocity data.
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Nilsson, Julia. "On maintenance management of wind and nuclear power plants." Licentiate thesis, Stockholm : Skolan för elektro- och systemteknik, Kungliga Tekniska högskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11321.

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8

Scott, Ryan. "Characterizing Tilt Effects on Wind Plants." PDXScholar, 2019. https://pdxscholar.library.pdx.edu/open_access_etds/5035.

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Анотація:
Tilting the nacelle of a wind turbine modifies entrainment into the wind plant and impacts total efficiency. Extreme angles can produce flying and crashing wakes where the wake either disrupts entertainment from the undisturbed flow above or is decimated on the ground. The effect of tilt angle on downstream wake behavior was investigated in a series of wind tunnel experiments. Scale model turbines with a hub height and diameter of 12 cm were arranged in a Cartesian array comprised of four rows of three turbines each. Nacelle tilt was varied in the third row from -15° to 15° in chosen 5° increments. Stereo PIV measurements of the instantaneous velocity field were recorded at four locations for each angle. Tilted wakes are described in terms of the average streamwise velocity field, wall-normal velocity field, Reynolds stresses, and mean vertical transport of kinetic energy. Conditional sampling is used to quantify the importance of sweep vs. ejection events and thus downwards vs. upwards momentum transfer. Additionally, wake center displacement and changes in net power are presented and compared to existing models. The results demonstrate large variations in wake velocity and vertical displacement with enhanced vertical energy and momentum transfer for negative tilt angles. Simulation models accurately predict wake deflection while analytic models deviate considerably highlighting the difficulties in describing tilt phenomena. Negative angles successfully produce crashing wakes and improve the availability of kinetic energy thereby improving the power output of the wind plant.
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Domínguez, García José Luis. "Analysis of the contribution of wind power plants to damp power system oscillations." Doctoral thesis, Universitat Politècnica de Catalunya, 2013. http://hdl.handle.net/10803/129687.

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Wind power has emerged as one of the most promising renewable energy sources. The very penetration levels of wind energy in power systems have altered several aspects of power system operation, such as system stability. Owing to the large penetration of wind power, transmission system operators (TSOs) have established special grid codes for wind farms connection. These grid codes require wind farms to provide ancillary services to the grid such as frequency and voltage regulation. In the near future, the capability of damping power system oscillations will be required. As a result of the development of such requirements, the concept of wind power plant (WPP) arises being de ned as a wind farm which is expected to behave similarly to a conventional power plant in terms of power generation, control and ancillary services. As future grid codes will require power oscillation damping contribution from wind power, the thesis is mainly focused on the analysis of the power system stabilizer (PSS) capability of wind power plants. The change produced by wind power plants based on di erent wind turbine technologies on power system small signal dynamics is analysed to determine their possible contribution to damp oscillations. The eff ect of the distance from the tie line to the wind power plant on the controller response and the influence of wind power plants proximity to synchronous generators are demonstrated to be critical factors. At this point several questions are raised as: What are the most critical factors? How can be ensure a proper contribution, at least the best possible response? Can it be ensured to be independent to the power system and the controller selected? To answer these questions, this thesis conducts research on proper selection of input-output signal pairs to damp out electromechanical oscillations using wind power plants without drawing attention to a particular control design. This is necessary conclusions about the power system independently of a particular controller. The capability to damp is an intrinsic characteristic of the system and should not be a ected by a particular controller (PSS). Firstly, di erent analysis techniques are compared, considering both controllability and observability measures and input-output interactions. This enables recommendations to be drawn so as to the selection of the the best signal pairs to damp power system oscillations considering di erent approaches, such as single-input single-output (SISO) and multivariable control (MIMO). Second, a new criterion to select the best input-output signals used by a PSS based on WPPs is presented, considering explicitly local and remote signals in the analysis. Taking into account fundamental design limitations and using controllability and observability concepts, the criterion is able to identify the most suitable pair of input-output local signals without consider any particular controller. Finally, due to the increase of wind power generation - including o shore locations - and the concept of an interconnected Pan-European network, a new o shore wind power plant AC network similar in design to the European SuperGrid \SuperNode", is analyzed. The cost e ect of choosing a nonstandard operating frequency on the o shore AC network is investigated. As the o shore AC network is isolated from onshore networks through the use of HVDC links, it may be operated in an asynchronous fashion and at a suitable frequency. The cost associated with operating the network at a fixed frequency in the range 20 to 120 Hz is investigated, focusing on the frequency-cost-scalings of electrical devices (such as cables, transformers and reactive compensation) and the related o shore infrastructures,
L'energia e olica s'ha convertit en una de les fonts d'energia renovable m es prometedores. Actualment, l'elevat nivell de penetraci o de l'energia e olica a la xarxa el ectrica ha conduï t a la modi caci o del comportament de diversos aspectes d'aquesta, com per exemple, l'estabilitat. Degut a aquesta gran penetraci o, els operadors de xarxes de transmissi o (TSOs) han establert procediments d'operaci o especials per a la connexi o de grans parcs e olics. Aquests codis requereixen als parcs elics que realitzin serveis auxiliars al sistema el ectric com, per exemple, la regulaci o de freqü encia i la regulaci o de la pot encia reactiva. En un futur proper, la capacitat dels parcs e olics per esmorteir les oscil lacions del sistema de pot encia es requerir a (en l'actualitat ja existeixen esborranys de nous procediments d'operaci o que ho inclouen). A causa d'aquest requeriments, el concepte de central de generaci o d'energia e olica es de neix com un parc e olic que s'espera que es comporti de manera similar a una central de generaci o el ectrica convencional en termes de poder realitzar tasques tals com generaci o, control i serveis auxiliars. Ja que un futur requeriment dels operadors de xarxa ser a la contribuci o de l'energia e olica en l'esmorteiment de les oscil lacions de pot encia, en aquesta tesi s'estudia la capacitat de les centrals e oliques per actuar com estabilitzador dels sistemes el ectrics de pot encia. A m es a m es, s'analitza l'efecte de les centrals d'energia e olica al comportament din amic del sistema el ectric considerant l'estabilitat de petita senyal, per a determinar quina podr a ser la possible contribuci o proporcionada per aquestes tecnologies. S'ha estudiat que l'efecte de la dist ancia des d'el punt de connexi o amb la central d'energia e olica a la resposta del control estabilitzant i la influ encia de la proximitat de les centrals e oliques als generadors s ncrons s on factors cr tics. D'aquest fet surgeixen algunes preguntes com: Es aquest el factor m es cr tic? Com es pot assegurar una contribuci o adequada, si m es no la millor resposta possible, per ajudar a estabilitzar el sistema el ectric? Es poden asegurar quina ser a la contribuci o a l'estabilitat del sistema el ectric independentment de la xarxa i l'esquema de control escollit? Per respondre a aquestes preguntes, aquesta tesi ha realitzat investigacions sobre l'adequada selecci o de parells de senyals d'entrada-sortida per esmorteir les oscil lacions electromec aniques amb centrals e oliques evitant dissenyar el controlador i propossant met odes f acilment adaptables a qualsevol sistema el ectric. En primer lloc, s'han comparat diferents t ecniques d'an alisi tenint en compte tant les mesures de controlabilitat i observabilitat com les interaccions entre les senyals d'entrada i sortida. D'aquesta comparaci o, certes recomanacions es donen a l'hora de seleccionar els millors parells de senyals per esmorteir les oscil lacions del sistema el ectric de pot encia considerant diferents esquemes de control com ara entrada unica sortida unica (SISO) i control multivariable (MIMO). En segon lloc, s'ha proposat un nou criteri per seleccionar les senyals d'entrada i sortida utilitzades per un control estabilitzador per centrals d'energia e olica. On, a difer encia amb anteriors met odes de selecci o proposats, el criteri presentat considera expl citament tant senyals locals com senyals remotes dins el seu an alisi. Aquest criteri es capa c d'identi car la parella de senyals locals d'entrada i sortida m es adequada sense realitzar el disseny del controlador, considerant tant les limitacions fonamentals del disseny del controlador imposades per el sistema com els conceptes de controlabilitat i observabilitat. Finalment, a causa del augment de la generaci o d'energia e olica, principalment en localitzacions marines, i al concepte d'una xarxa el ectrica comuna Pan-Europea, s'ha realitzat l'an alisi d'un nou concepte de xarxa en corrent altern (AC) dins de les centrals d'energia e olica marina, amb un disseny similar al concepte investigat a la Super-Xarxa Europea \Supernode". En aquest treball s'ha investigat l'efecte que t e en els costos la tria una freqüencia nominal d'operaci o no est andard en dita xarxa en corrent altern. La xarxa en AC que es forma entre les turbines e oliques i el convertidor de transmissi o es aï llada tant de les xarxes terrestres per l' us d'enlla cos en corrent continu (HVDC) com de la pr opia de les turbines per el convertidor que porten incorporat. Aquest fet implica que aquesta xarxa pot ser operada sense sincronitzar a qualsevol freqüencia. En aquesta tesi, s'ha estudiat quin es el cost associat amb l'operaci o de la xarxa a una freqü encia fi xa dins del rang de 20-120 Hz, focalitzant principalment en l'escalat del costos dels diferents elements el ectrics (com ara cables, transformadors i compensaci o reatviva i infraestructures necessaris en instal lacions marines respecte la freqüencia.
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Yang, Kai. "On Harmonic Emission, Propagation and Aggregation in Wind Power Plants." Doctoral thesis, Luleå tekniska universitet, Energivetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18678.

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The increasing use of wind energy is a global trend as part of the overall transition to a more sustainable energy system. By using modern technologies, the wind energy is converted into electric power which is transported to the consumers by means of the electric power system. The use of these technologies, in the meantime, plays a significant role in maintaining power quality in the electric power system; including positive as well as negative impacts. This thesis emphasises on harmonic distortion within a wind power plant (WPP), for a wind turbine and for the plant level.The harmonic study presented in this thesis has been based on field measurements at a few different individual wind turbines and at a second location in one WPP. In general, the levels of harmonic distortion as percentage of the turbine and WPP ratings are low. Among the frequency components, even harmonics and especially interharmonics are present at levels comparable with the levels of characteristic harmonics. The measurements show that both harmonics and interharmonics vary strongly with time. Interharmonics further show a strong dependence on the active power production of the turbine, while characteristic harmonics are independent on the power production. The even harmonics and interharmonics may excite any resonance in the collection grid or in the external grid.The origin of interharmonic emission due to power converters has been verified through a series of measurements over a two-week period. The interharmonic emission originates from the difference between the generator-side frequency and the power system frequency. A series of interharmonic frequencies are produced and they vary in accordance with the generator-side frequency. Both these interharmonic frequencies and the magnitudes are related to each other, and the theoretical relations have been confirmed through the measurements.The harmonic propagation in a collection grid has been studied by using transfer functions. Without the need to know the harmonic sources, the characteristics of harmonic propagations are quantified through transfer functions. The method has been used to estimate the total harmonic level in a WPP, by combining knowledge of the transfer function with information from harmonic emission of the individual wind turbines. The harmonic aggregation of the emission from the individual turbines towards the point of connection (PoC) has been studied as well. From the studies it was found that interharmonics show a stronger cancellation compared to harmonics, especially compared to lower-order harmonics.According to the object of interest and the harmonic propagation, a distinction has been made between primary and secondary emission. A more detailed classification of the different propagations within a WPP has been proposed. A systematic approach for harmonic studies in association with WPPs has resulted from this. The harmonic voltages and currents at any location are obtained as the superposition of the contribution from different emission sources to this specific location. This location can be either within the WPP or in the external grid. The studies presented conclude that all the contributions should be included to get a reasonable overview of the harmonic distortion in the WPP.

Godkänd; 2015; 20150130 (kaiyan); Nedanstående person kommer att disputera för avläggande av teknologie doktorsexamen. Namn: Kai Yang Ämne: Elkraftteknik /Electric Power Engineering Avhandling: On Harmonic Emission, Propagation and Aggregation in Wind Power Plants. Opponent: Professor Roberto Langella, Scientific Responsible of the Second University of Naples local Research Section of EnSiEL, Naples, Italien. Ordförande: Professor Math Bollen, Avd för Energivetenskap, Institutionen för Teknikvetenskap och matematik, Luleå tekniska universitet, Skellefteå. Tid: Fredag 17 april kl 10.00 Plats: Hörsal A, Campus Skellefteå

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Книги з теми "Wind power plants Victoria"

1

Gasch, Robert, and Jochen Twele, eds. Wind Power Plants. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-22938-1.

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Thomas, Ackermann, ed. Wind power in power systems. Chichester, West Sussex, England: John Wiley, 2005.

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Wind power. Mankato, MN: Creative Education, 2015.

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Ackermann, Thomas. Wind power in power systems. 2nd ed. Chichester, West Sussex: Wiley, 2012.

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5

Offshore wind: A comprehensive guide to successful offshore wind farm installation. Waltham. MA: Elsevier/Academic Press, 2012.

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Glasdam, Jakob Bærholm. Harmonics in Offshore Wind Power Plants. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-26476-9.

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U.S. Dept. of Energy. Wind power in America's future: 20% wind energy by 2030. Mineola, N.Y: Dover Publications, 2010.

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Perkins, Samuel D. Offshore wind power: Challenges, economics, and benefits. New York: Nova Science Publishers, 2011.

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Wind and solar power systems. Boca Raton: CRC Press, 1999.

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Energy from wind: Wind farming. New York, New York: Crabtree Publishing, 2016.

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Частини книг з теми "Wind power plants Victoria"

1

Gasch, Robert, and Jochen Twele. "The wind." In Wind Power Plants, 114–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_4.

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Gasch, Robert, and Jochen Twele. "Wind pump systems." In Wind Power Plants, 330–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_10.

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Gasch, Robert, and Jochen Twele. "Offshore wind farms." In Wind Power Plants, 520–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_16.

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Gasch, Robert, and Jochen Twele. "Introduction to Wind Energy." In Wind Power Plants, 1–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_1.

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Gasch, Robert, and Jochen Twele. "Wind turbines for electricity generation - basics." In Wind Power Plants, 363–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_11.

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Gasch, Robert, and Jochen Twele. "Supervisory and control systems for wind turbines." In Wind Power Plants, 400–427. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_12.

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Gasch, Robert, and Jochen Twele. "Concepts of electricity generation by wind turbines." In Wind Power Plants, 428–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_13.

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Gasch, Robert, and Jochen Twele. "Wind turbine operation at the interconnected grid." In Wind Power Plants, 461–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_14.

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Gasch, Robert, and Jochen Twele. "Planning, operation and economics of wind farm projects." In Wind Power Plants, 480–519. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_15.

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Gasch, Robert, and Jochen Twele. "Historical development of windmills." In Wind Power Plants, 15–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-22938-1_2.

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Тези доповідей конференцій з теми "Wind power plants Victoria"

1

Saylors, S. W. "Wind parks as power plants." In 2006 IEEE Power Engineering Society General Meeting. IEEE, 2006. http://dx.doi.org/10.1109/pes.2006.1709063.

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Camm, E. H., M. R. Behnke, O. Bolado, M. Bollen, M. Bradt, C. Brooks, W. Dilling, et al. "Reactive power compensation for wind power plants." In Energy Society General Meeting (PES). IEEE, 2009. http://dx.doi.org/10.1109/pes.2009.5275328.

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Carstea, Ciprian, Florin Butaru, Mihaela-Codruta Ancuti, Sorin Musuroi, Antheia Deacu, Mircea Babaita, and Alin Marius Stanciu. "Wind Power Plants Operation at Variable Wind Speeds." In 2020 IEEE 14th International Symposium on Applied Computational Intelligence and Informatics (SACI). IEEE, 2020. http://dx.doi.org/10.1109/saci49304.2020.9118826.

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Wan, Yih-Huei, Michael Milligan, and Brian Parsons. "Output Power Correlation Between Nearby Wind Power Plants." In ASME 2003 Wind Energy Symposium. ASMEDC, 2003. http://dx.doi.org/10.1115/wind2003-1342.

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The National Renewable Energy Laboratory (NREL) started a project in 2000 to record long-term, high-frequency (1-Hz) wind power output data from large commercial wind power plants. Outputs from about 330 MW of wind generating capacity from wind power plants in Buffalo Ridge, Minnesota, and Storm Lake, Iowa, are being recorded. Analysis of the collected data shows that although very short-term wind power fluctuations are stochastic, the persistent nature of wind and the large number of turbines in a wind power plant tend to limit the magnitudes and rates of changes in the levels of wind power. Analyses of power data confirm that spatial separation greatly reduces variations in the combined wind power output relative to output from a single wind power plant. Data show that high frequency variations of wind power from two wind power plants 200 km apart are independent of each other, but low frequency power changes can be highly correlated. This fact suggests that time-synchronized power data and meteorological data can aid in the development of statistical models for wind power forecasting.
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Tkac, Jan, Marek Hvizdos, and Jozef Rusnak. "Modelling of wind power plants operation." In 9th International Conference on Environment and Electrical Engineering (EEEIC 2010). IEEE, 2010. http://dx.doi.org/10.1109/eeeic.2010.5490020.

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Zharkov, S. V. "Wind use at thermal power plants." In 2005 IEEE Russia Power Tech. IEEE, 2005. http://dx.doi.org/10.1109/ptc.2005.4524771.

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Chowdhury, Badrul H., and Hong T. Ma. "Frequency regulation with wind power plants." In Energy Society General Meeting. IEEE, 2008. http://dx.doi.org/10.1109/pes.2008.4596864.

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Saylors, Steven W. "Wind parks as power plants - 2008." In Energy Society General Meeting. IEEE, 2008. http://dx.doi.org/10.1109/pes.2008.4596878.

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Bartz, Wilfried J. "Tribological Aspects of Wind Power Plants." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63019.

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Using sustainable and renewable energy resources becomes more and more important. One possibility is the use of the energy content of the wind. During the past 20 years the wind energy technology experienced a remarkable development. More than 50 countries world wide are producing wind energy. The forecasts for 2005 are about 8,525 MW installations in Europe and 12,175 MW world wide. The accumulated capacity at the end of 2005 will be in the order of magnitude of 65,000 MW (2). The main growth market is still Europe, followed by the USA and by Asia. In Europe the countries with the highest figures are Germany, Spain and Denmark. Until the end of 2005 in Germany an accumulated power output of about 18,000 MW will be installed (2).
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Wan, Y. H., and D. Bucane. "Short-term power fluctuations of large wind power plants." In 2002 ASME Wind Energy Symposium. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-58.

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Звіти організацій з теми "Wind power plants Victoria"

1

Singh, Mohit, and Surya Santoso. Dynamic Models for Wind Turbines and Wind Power Plants. Office of Scientific and Technical Information (OSTI), October 2011. http://dx.doi.org/10.2172/1028524.

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Milligan, M. Modeling utility-scale wind power plants, part 1: Economics. Office of Scientific and Technical Information (OSTI), June 2000. http://dx.doi.org/10.2172/758362.

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Clark, Caitlyn, Aaron Barker, Jennifer King, and James Reilly. Wind and Solar Hybrid Power Plants for Energy Resilience. Office of Scientific and Technical Information (OSTI), January 2022. http://dx.doi.org/10.2172/1842446.

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Milligan, M. R. Modeling Utility-Scale Wind Power Plants, Part 2: Capacity Credit. Office of Scientific and Technical Information (OSTI), March 2002. http://dx.doi.org/10.2172/15000143.

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Denholm, P., M. Hand, M. Jackson, and S. Ong. Land Use Requirements of Modern Wind Power Plants in the United States. Office of Scientific and Technical Information (OSTI), August 2009. http://dx.doi.org/10.2172/964608.

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McDowell, Jason, Reigh Walling, William Peter, Edi Von Engeln, Eric Seymour, Robert Nelson, Leo Casey, Abraham Ellis, and Chris Barker. Reactive power interconnection requirements for PV and wind plants : recommendations to NERC. Office of Scientific and Technical Information (OSTI), February 2012. http://dx.doi.org/10.2172/1039006.

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Kotarbinski, Matthew, David Keyser, and Jeremy Stefek. Workforce and Economic Development Considerations from the Operations and Maintenance of Wind Power Plants. Office of Scientific and Technical Information (OSTI), December 2020. http://dx.doi.org/10.2172/1735633.

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Denholm, P., G. Brinkman, D. Lew, and M. Hummon. Operation of Concentrating Solar Power Plants in the Western Wind and Solar Integration Phase 2 Study. Office of Scientific and Technical Information (OSTI), May 2014. http://dx.doi.org/10.2172/1132184.

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Gao, David Wenzhong, Eduard Muljadi, Tian Tian, Mackay Miller, and Weisheng Wang. Comparison of Standards and Technical Requirements of Grid-Connected Wind Power Plants in China and the United States. Office of Scientific and Technical Information (OSTI), September 2016. http://dx.doi.org/10.2172/1326717.

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Mortensen, Ken. Improved Performance of an Air Cooled Condenser (ACC) Using SPX Wind Guide Technology at Coal-Based Thermoelectric Power Plants. Office of Scientific and Technical Information (OSTI), December 2010. http://dx.doi.org/10.2172/1025180.

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