Analysis Of The Virgin Suicides - 799 Words

The Virgin Suicides narrates the story of the Lisbon family and the multiple crises they face, particularly acute suicidal risk of all five daughters. The family consists of the father, Ronald, the mother, and five sisters, Cecilia, Lux, Bonnie, Mary, and Therese. The family experiences both major and minor crisis event throughout the film, ultimately ending with all five daughters completing suicide. While there were numerous individuals experiencing crisis, the neighborhood boys, the entire Lisbon family, and several other minor characters, this review will focus specifically on crisis incidents that surround the mother and two daughters, Cecilia and Lux. This analysis will utilize the Double ABC-X model. Cecilia Cecilia is the youngest of the Lisbon daughters, being only thirteen. She is slight, thin and plain. She is quirky, as evident by her wearing the same wedding style dress throughout her entire appearance in the film, as well as precocious and introverted. She is an environmentalist, as evident by her reaction to the condemning of tree in her front yard, her grief about the fact that a species of frog was added to the endangered species list, and her overall fascination with nature discussed in her diary. Cecilia appears alienated from her family, perhaps misunderstood. In regards to Cecilia’s initial crisis that led to her suicide attempt, by means of exsanguination through wrist cutting, it is unclear as to what the stressor event may have been or what herShow MoreRelatedThe Virgin Suicides Analysis Essay2980 Words   |  12 Pagesnumber of works that have dealt the issue of isolation, but the greatest representation of a work whose physical qualities in its representation of suburbia help to reflect the ideas in the work is Jeffrey Eugenidess The Virgin Suicides. The story follows the horrific suicides of the Lisbons, a family consisting of the five Lisbon daughters under the patriarchal mother who attempts to retain strict control over her daughters from the perceived dangers of the outside world. However, as the girlsRead MoreEssay on Critical Analysis of the Virgin Suicides812 Words   |  4 Pagesthey would do anything to get to that point of bliss. In the book The Virgin Suicides by Jeffrey Eugenides, we are introduced to the men whose lives have been changed forever by their awkward obsession with five fated sisters: Therese, Mary, Bonnie, Lux, and Cecilia Lisbon. These mysterious girls dont seem to really be known in the town, but when the youngest, Cecilia, kills herself, it establishes the year of the suicides and all eyes are on them. The neighborhood boys narrate the storyRead MoreAn Analysis Of Jeffrey Eugenides The Virgin Suicides And Edith Pearlman s `` Honeydew ``1616 Words   |  7 PagesJeffrey Eugenides’ The Virgin Suicides and Edith Pearlman’s â€Å"Honeydew† display how women are constantly suppressed by men s actions, while capturing the reaction women have to their suffering. The Virgin Suicides illustrates the five Lisbon sisters who are outcasts within their ‘cookie cutter’ community, constantly being watched by the neighborhood boys, and eventually they kill themselves because of the confinement the boys create. Meanwhile in â€Å"Honeydew† Emily an anorexic girl is isolated becauseRead MoreJeffrey Eugenides s The Virgin Suicides2263 Words   |  10 PagesEugenides’s The Virgin Suicides would be its first person-plural narrative voice. Literary scholars have often addressed the issue of the narrative voice and the effect that having multiple narrat ors has on the story. In her article ‘A story we could live with’ Narrative voice, the Reader, and Jeffrey Eugenides’s The Virgin Suicides Debra Shostak addresses how the â€Å"we† inadvertently draws attention to the â€Å"otherness† of the Lisbon girls. She attempts to dispel the belief that The Virgin Suicides is a misogynisticRead MoreLiterary Analysis : The Left Side Journal Essay1062 Words   |  5 PagesChapters 13-14 Left Side Journal With these chapters, I struggled doing my literary analysis because there was not much I could relate to except for the fact that he sometimes felt â€Å"yellow† in which I thought it meant being somewhat of a coward. I just focused on the fact that Holden ordered a prostitute, but he didn’t want to do anything with her and only talk. I focused on this because it was interesting to see how he changes character-wise. I saw him as only a perverted, immature guy, but heRead MoreDouble Abc X Model And Suicide Risk Assessment1098 Words   |  5 PagesThe Virgin Suicides relates the story of the Lisbon family and the multiple crises they face, particularly acute suicidal risk of all five daughters. The family consists of the father, Ronald, the mother, and five sisters, Cecilia, Lux, Bonnie, Mary, and Therese. The family experiences both major and minor crisis events throughout the film, ultimately ending with all five daughters completing suicide. While there were numerous individuals experiencing a crisis, the neighborhood boys, the entire LisbonRead More The Virgin Suicides and the Writing Self Essay examples1877 Words   |  8 PagesThe Virgin Suicides and the Writing Self    Usually our voice for telling a story is our own writing self.   A person that understands the situation at hand and speaks in a manner relevant to the situation.   We dont normally create a separate narrator to make our writing more interesting.   We simply write our thoughts and opinions to convey our ideas.   But Jeffery Eugenides writing the Virgin Suicides brought out a separate part of himself to narrate for him.   An entirely fabricatedRead MoreEssay about Psychoanalysis of Brian from The Breakfast Club1172 Words   |  5 Pagescan be categorized in more than one level/stage of Lawrence Kohlberg’s levels/stages of moral development. Many of the characters grow as people and can be seen at different levels of moral development throughout the film. For the purpose of this analysis, Brian will be categorized based on the general impressions and behaviors he expresses before reaching his â€Å"changing moment† near the end of the film (along with the other characters). Brian can be categorized as being in level two (conventionalRead MoreHuman Targets : Schools, Police, And The Criminalization Of Latino Youth By Victor Rios1262 Words   |  6 PagesInstitutions play an integral role in the types of performances these youths enact and the sort of cultural frames they engage (See Vigil 1988; Harding 2010; Conchas and vigil 2012)(Page 9). It all just comes from how people approach each other Analysis: The book is relevant to class in various ways because Victor Rios is describing how the lives of Latino youths are impacted. The discrimination and low standards the authorities retain of the Latino population can be related to the book we areRead MoreCommon Ground between Islam and Christianity939 Words   |  4 Pagesmisconception . This research is conducted with an objective to highlight their common ground in an effort to bridge gaps between Muslims and Christians. The research analysis will provide an answer to the following question: What are some major similarities between Christianity and Islam? Methodology An internet-based archival analysis research method was used to thoroughly access and analyze the sources for finding answers to the research question. To increase the authenticity of measures, research

The Rule Of Law, No One Is Above The Law - 1352 Words

With the Rule of Law, no one is above the law. If we have a king, he will think he is above the law and not be charged or accountable for any of his crimes. It also provides a foundation for everyone to be treated fairly because it gives stable, impartial laws that cannot be changed. This way, if a law is broken, the offender cannot be given extra punishment if he is an outcast or unwanted in a village. The village may have grudges against them or want revenge on them, but the law protects him from receiving anything other than a fair trial. We all have agency, the right to make decisions and choices on our own. We have used our agency to build a society where we have judges to decide our laws to best govern and protect this†¦show more content†¦Holland without a king hath enjoyed more peace for this last century than any of the monarchical governments in Europe.† If we choose to accept a king, we will surely follow this route, and we will be at war for reasons which do not affect the people. Thomas Paine states that it is the pride of King’s that cause nations to go to war. Why should we the people be forced to go to war if we do not approve of it? We cannot leave our sons lives in the hands of a man who with the slight hurt to his ego, would throw the entire nation against the offender. It simply would not represent the people as a whole. Mentioning a lack of representation of the people, look at all of the infringements the American people had on their rights by the British, according to the Dec laration of Independence. There were taxes placed on them without consent, they were forced to quarter British troops in their homes during times of peace, they were prevented from expanding their land or borders, and even prevented them from the abundant possibilities of trade routes with other countries. All of this, due to the decisions of one man over the rest. As Thomas Paine said â€Å"In England a king hath little more to do than to make war and give away places; which inShow MoreRelatedRule of Law in the Constitution1448 Words   |  6 Pagesof a legal framework supporting the rule of law, which is ultimately, an ideology. Analogically, the circumstances in which the application of the rule of law has either created a free society or undermined it will be explored and its purposes thus inferred to construct a definition of the ‘rule of law’ reflecting contemporary standards. However, Dicey’s classical definition will be used as a guide to understanding the current position of the rule of law. Briefly, Dicey’s definition comprisesRead MoreParliamentary Sovereignty And The Rule Of Law Essay871 Words   |  4 PagesParliamentary sovereignty and the rule of law are both concepts that are key to shaping the British constitution, however there is ambiguity as to which concept is the heart of the UK’s constitutional arrangement in the recent years. Britain, to begin with, has no written constitution due to the country’s own constitutional structure’s stability. It remains uncodified, yet it’s legal sources stem from Acts of parliament, European Union law, equity and common law,. Therefore the varying powers ofRead MoreThe Rule Of Law : A Fundamental Principle1409 Words   |  6 PagesThe Rule of law is considered to be a fundamental principle in the constitution of any country. A uniqueness attributed to this principle is that it is regarded as multi-faceted; there has been a multitude of definitions and at times contradictory to each other. The version of the rule of law which I will discuss is the theory of A.V Dicey. I prefer Dicey s version simply because unlike Joseph Raz s theory which dictates many principles, Dicey s version emphasises three distinct concepts. TheRead MoreRule of Law1413 Words   |  6 PagesBasmah Elahi Rule of Law London International Programs, UG Law, Public Law Essay 2. The Rule of Law, enforced by the courts, is the ultimate controlling factor on which our constitution is based. Discuss. The rule of law is one of the fundamental principles of UK’s unwritten or uncodified constitution .The key idea of the rule of law is that the law should apply equally to all, rulers and ruled alike. This in the words of the 19-century constitution expertRead MoreRule of law1448 Words   |  6 Pagesï » ¿1.0 Introduction The rule of law is fundamental in any society where human rights are to be protected. The word rule comes from â€Å"rà ¨gle† and law from â€Å"lagu† roughly translating to â€Å"supremacy of law†.1It is a mechanism for safeguarding human rights by guaranteeing them legally and at the same time providing a means for redressal where violations occur. The most important application of the rule of law is the principle that government authority is legitimately exercised in accordance withRead MoreThe Rule Of Law And The Uk Constitution1298 Words   |  6 PagesThe rule of law is seen as being one of the most fundamental components of the UK constitution as well as being a principle that is concerned with restricting parliamentary action. Though the rule of law is seen to be a component in the constitution; the actual meaning of the rule of law has been very problematic to interpret. This is considerably down to the fact that it means different things to different people as since the nineteenth century, academics, politicians and judges have proposed diverseRead MoreThe Ethics Of The Law Essay1420 Words   |  6 PagesThe practice of law is no exception to this phenomenon, and crocked lawyers and paralegals have negatively contributed to the notion. On several occasions law professionals have taken client money for personal use, a cting against the law and rules of professional conduct. Although lawyers and paralegals have their own individual rules and guidelines to abide by, they follow the same professional structure of proper conduct. The rules of conduct for paralegals is governed by the Law Society of UpperRead MoreThe Meaning and Constitutional Significance of the Rule of Law1463 Words   |  6 Pagesand Constitutional Significance of the Rule of Law The rule of law means different things to different people. The meaning of the rule of law is a state of order in which events conform to the law. The rule of law often is stated to be one of the fundamental doctrines of principle of the UKconstitutional. Generally it has been seen as a characteristic feature of western liberal democracies. A widely-assumed meaning of the rule of law is that of peaceful resolution ofRead MoreBusiness or Comercial Law Essay1199 Words   |  5 PagesBusiness law or commercial is a body of law that applies to the relations, rights, and the conduct of persons and businesses that are engaged in trade, and sales. Law has a significant role in any business. The law serves as the control of quality. It is used as a tool that inspects whether or not the business serves its function appropriately or not, whether it offers good quality services or not. The rules in business law can be either by agreement, convention, or national orRead MoreDeterminism And Free Will Essay1518 Words   |  7 Pagesencompasses both. Metaphysics often seeks to answer basic questions, such as what is there and what is it like. One of the key branches of metaphysics is ontology, which refers to the philosophical study of the nature of existence, being, reality, or becoming. The significant ontological concern is the existence of determinism and free will, and questions have often been raised on whether one of the two perspectives exists at the expense of the other. To address the concerns and questions raised about

With wind power technologies Free Essays

string(98) " used in order to accomplish equal frequence of the grid and the electrical end product \[ 6 \] \." Abstraction With wind power engineerings deriving rapid impulse particularly offshore wind farm engineering, assorted issues affecting internal and external electrical connexion of offshore air current turbines to the grid arise. This literature reappraisal presents a survey of past researches refering offshore wind farm engineering and high spots wind farm connexion issues. Section 1 presents the debut of the subject followed by an overview of offshore air current farms in Section 2. We will write a custom essay sample on With wind power technologies or any similar topic only for you Order Now Following, types of generators used are discussed in Section 3. Section 4 and 5 nowadayss the nucleus of the research, detailing transmittal and interconnectedness of offshore air current farms utilizing both AC and DC severally. Finally the last subdivision concludes the reappraisal. Section One Introduction Wind power coevals has been on the rise as of late [ 1 ] . USA late took over Germany as the current universe ‘s leader of air current power capacity [ 2 ] , using air current energy as an option of electricity coevals. European states are preponderantly inclined towards wind power in add-on to Asiatic states such as China and India, which are amongst the top air current power manufacturers [ 2 ] . There is a bound to onshore air current farm connexion nevertheless, due to set down bounds and with the huge potency of air current harvest home from the seas and less obstructor compared to onshore air currents [ 3 ] , it is merely evident that the following logical measure is to travel into offshore wind farms. Furthermore, with changeless power produced from the changeless air current velocity of the sea [ 1 ] , and the possible combination of moving ridge and tidal power [ 4 ] , chances of offshore air current farms are promoting. Installations of offshore air current farms are non fiddling, as many factors and concerns are taken into history over the substructure and layout. The unsmooth hostile environment of the sea gives rather a challenge for installing and transmittal to the grid and it is a critical concern. Overall, there are several electrical challenges sing offshore air current farms in contrast to the mechanical challenges that has well reduced over the past decennary [ 1 ] . A major challenge sing offshore air current farms would be its transmittal from generator to the grid [ 5 ] . The conventional AC transmittals provide restrictions as offshore air current farms move farther off from the shore. These restrictions will be studied and possible solutions are to be recommended. This literature reappraisal presents an overview of grid connexion of offshore air current turbines, diging into types of generators used, every bit good as air current farm interconnectedness, transmittals of power to onshore grid and reappraisals of jobs related. Section Two General Overview of Offshore Wind Farms Wind farms are considered offshore if they are at least 30km from the seashore [ 6 ] . Presently, the biggest offshore air current farms has a capacity of up to 200MW [ 7 ] , with each turbines bring forthing 2-3MW. Offshore air current farms are dearly-won ( 30-60 % higher [ 4 ] ) than onshore due to the larger, higher rated power of turbines, undersea connexions and overall cost of installing and care [ 3 ] . Harmonizing to Reference [ 3 ] , air current farms have electrical subsystems which consist of: Internal medium-voltage ( MV ) grid for aggregation of power produced by single generators ; Offshore electrical substructure for transit of power to the shore ; Onshore system which link the farm to HV webs. The power produced by each air current turbine is collected via the internal MV grids utilizing either radial or pealing connected design [ 3 ] . Radial design, being the cheapest pick, uses a individual overseas telegram feeder that is connected to the turbines in contrast to the ring connected web where cabling and exchanging output higher costs. Radial design suffer from low dependability, though it can be improved by forking the radial feeders [ 3 ] . Depending on air current farm size and distance from shore, every bit good as environmental restriction, [ 3 ] nowadayss two strategies of electrical substructures for transporting power to the shore. Scheme 1 utilizations an seaward substation incorporating switchgears and transformers [ 8 ] , which step up electromotive forces and transmit it utilizing HV overseas telegrams, while Scheme 2 utilizations undersea MV overseas telegrams [ 3 ] . The defined point of common yoke ( PCC ) is where the offshore air current farm connects to the grid [ 3 ] . If an offshore substation is present beforehand ( Scheme 1 ) , the HV overseas telegrams are connected straight to the grid but if MV overseas telegrams are used for transmittal ( Scheme 2 ) , so an onshore step-up transformer is required with HV overseas telegrams before being fed to the grid [ 3 ] . Figure 1 below shows the two different electrical system strategies. Figure 1: Wind farm electrical system schemes [ 3 ] Offshore substation is normally required for electromotive forces above 33kv [ 9 ] and is costlier due to dearly-won indoor equipment and environmental protection [ 9 ] but contributes to take down power losingss and simpler electromotive force control [ 3 ] . Section Three Wind Turbines and Generators Different types of air current generators have been designed and manufactured within the past two decennaries, to provide to the demands of planetary air current power capacity every bit good as the turning development of air current power engineering [ 10 ] . These wind generators are designed to back up and manage mistakes on the grid [ 7 ] . There are assorted types of generators for air current turbines and they are categorized harmonizing to synchronal or initiation type generators. 3.1 Synchronous Generators The power convertor in Figure 2 refers to a rectifier, with constellation a being stator connected and the remainder being rotor connected [ 11 ] . 3.2 Initiation Generators As for initiation generators, typical constellations for air current farms are shown in Figure 3 below For constellation a, the power convertor is a soft starting motor whereas for constellation B and vitamin D, it refers to a frequence convertor. Configuration degree Celsius has an external variable rotor opposition [ 11 ] . 3.3 Fixed Speed and Variable Speed Wind Turbines In conventional systems, fixed velocity air current turbines are used in order to accomplish equal frequence of the grid and the electrical end product [ 6 ] . You read "With wind power technologies" in category "Essay examples" However, variable velocity air current turbines are has an advantage over fixed velocity air current turbines due to holding advanced power electronic constituents and good control for grid support. Fixed velocity turbines are by and large cheaper, simple and robust and Reference [ 7 ] presented a new control method to get the better of the restrictions and believes that the fixed velocity turbines will be popular once more if betterments are made over its grid support. Fixed velocity or variable velocity air current turbine design relies to a great extent on an optimal rotational velocity expressed by a factor called tip-speed ratio [ 6, 12 ] Wind turbines will work under certain tip-speed ratio for the coveted turbine efficiency. In Figure 4, a typical graph demoing the relation of air current turbine efficiency and tip-speed ratio is shown. Mentioning to the graph, accomplishing 47 % efficiency requires the air current turbine to hold a tip-speed ratio of 8 [ 13 ] . Figure 4: Example relation between air current turbine efficiency and tip-speed ratio [ 13 ] 3.4 Fixed Speed Generators Fixed Speed Synchronous Generators Fixed velocity synchronal generators produce end product frequence based on the turbine ‘s rotational frequence ; which implies that it is synchronized with the generator ‘s shaft velocity [ 6 ] . These machines can bring forth electricity by itself without the grid ‘s power, so in instance of care or fix plants, isolation of the generators must be implemented [ 6 ] for safety grounds. Fixed Speed Induction Generators Initiation generators are normally used for fixed velocity turbines, particularly squirrel-cage type generators and they connect straight to the AC grid without the demand for frequence convertors [ 13 ] . Reference [ 6 ] provinces that the grid ‘s excitement controls the frequence of the generator ‘s end product. When air current velocities go above the rated velocity threshold ( shutdown or roll uping wind velocity [ 5 ] ) of normally 25/ , the end product power is constrained by natural stall or active pitching of turbine blades and if that fails, the turbine is so stopped. For improved turbine efficiency, fixed wind generators can exchange between pole yokes to run at two different velocities [ 13 ] . This characteristic is to let low air currents velocity to hold better efficiency. Initiation generators are favoured for their low cost and isolation for care plants is non required compared to the synchronal generators, due to its inability to bring forth electricity when the grid ‘s power is cut off. However, initiation generators have a disadvantage of that it consumes reactive power from the grid, though including capacitances between the generator and the grid could counterpoise the job [ 6 ] [ 13 ] . Initiation generators besides require a cut-off system to avoid it moving as a motor when air current speeds lessenings. 3.5 Variable Speed Generators Through variable velocity generators, we can do the rotor to run at a fixed tip-speed ratio over changing air current velocities to obtain maximal efficiency [ 13 ] . This is achieved by utilizing frequence convertors or commanding the rotor ‘s faux pas [ 13 ] . The former method licenses wider velocity scope. Reference [ 10 ] has made a comparing survey on seven variable velocity changeless frequence ( VSCF ) air current generators dwelling of both synchronal and induction generators. The initiation generators studied specifically are double fed initiation generators ( DFIG ) and VSCF squirrel coop initiation generators ( SCIG ) , whereas the synchronal generator types were lasting magnet synchronal generators ( PMSG ) and electrically excited synchronal generator ( EESG ) [ 10 ] . Both of the synchronal generators are direct driven in contrast to the geared goaded initiation generators. Based on the comparing consequences, the geared driven double fed initiation generators ( DFIG ) emerged as the most appealing due to its high one-year energy production ( AEP ) per cost and lowest generator system cost and it is recommended for big power evaluation use [ 10 ] . Doubly Fed Induction Generator ( DFIG ) This lesion rotor machine can work as a variable-speed generator through debut of variable electromotive forces into its rotor at slip frequence [ 14 ] . The variable velocity is determined by the two IGBT based electromotive force beginning convertors ‘ evaluations and it is through these convertors that the rotor get the variable electromotive forces [ 14 ] . Section Four Offshore Wind Farm AC Transmission AC transmittal is a good developed engineering [ 15 ] and soon used in most air current farms [ 16 ] . For offshore air current farms that are below 100km distance from shore and less than 150MW capacity, high electromotive force AC ( HVAC ) transmittal is a favoured pick for being the most economical method [ 17 ] . AC transmittal has the advantages of [ 16 ] : Simpler installing, care and interconnectedness Cost effectual Operational consistence AC links are non used for longer distances due to high electrical capacity and bring forth reactive currents [ 15 ] . This implies bigger reactive power due to the bear downing currents produced as overseas telegrams become longer and reactive power compensators are needed [ 5 ] [ 15 ] . AC transmittal loses its economic entreaty when active current is less than the bear downing current [ 15 ] . The transporting burden current capacity of the AC overseas telegrams is reduced because the overseas telegrams must physically transport both burden and bear downing currents at the same clip [ 16 ] . Reference [ 16 ] shows that bear downing current is expressed by =2F where F is frequence, is electrical capacity and is electromotive force ; and the relation of current capacity is 2= 2+2, where is the overseas telegram current capacity and is load current. Based on look, utilizing DC outputs =0 at steady province [ 16 ] , which shows the advantage of DC holding higher transporting load current capacity. Besides bear downing currents, AC cables besides experience power losingss ( 2 ) [ 16 ] and there are bounds to a figure of AC overseas telegrams that can be installed due to the environment [ 18 ] . Section Five Offshore Wind Farm DC Transmission 5.1 HVDC Links Conventionally, offshore wind farms are connected to the grid via AC transmittal as antecedently stated. Latest developments nevertheless, have suggested that AC links are to be substituted with a District of Columbia transmittal system. Typically used for far wind farms of more than 60km, HVDC links are non limited by the length of transmittal and therefore will be a executable and economical option when air current farms are larger and further off from shore compared to AC links [ 1 ] . HVDC transmittal is associated with variable velocity air current turbines due to the ability to command the frequence of air current turbine grids and is independent of the power system frequence [ 11 ] . Reference [ 19 ] has stated the list of advantages of HVDC compared to HVAC, based on Reference [ 8 ] , which are: Independence of directing and having frequences every bit good as isolation of system from other webs. The distance of HVDC transmittal are unaffected by overseas telegram bear downing current. HVDC overseas telegrams are capable of higher transmittal capacity. Power losingss on overseas telegram are low. Controllability of power flow. 5.2 Wind Farm AC Grid Configuration The simplest DC grid connexion for air current farms is by feeding the AC grid air current turbines into a power convertor and linking it to the AC grid utilizing HVDC links. The figure below illustrates this. Figure 5: Group connexion of a air current farm to an HVDC nexus [ 11 ] The benefits of this constellation is that sum of power convertors are lessened compared to DC grid constellation, but they supply reactive power to the air current farm, enabling it to defy grid mistakes [ 11 ] . 5.3 Wind Farm DC Grid Configuration An alternate method is to hold each turbines have their ain rectifier such as Figure 6. Figure 6: Individual connexion of air current turbines to HVDC links [ 11 ] Compared to AC grid constellation, DC grid enables control of frequence and velocity of each single turbines [ 11 ] . Reference [ 1 ] explains the working of an DC grid air current farm in more item. Figure 7: Example of DC grid [ 1 ] Mentioning to Figure 7, the electromotive force from the air current generators is first rectified, gathered and so transferred to an offshore platform where the electromotive force is stepped up well by a DC/DC convertor, or else the system will endure high losingss during transmittal [ 1 ] . Power is so transmitted through a District of Columbia overseas telegram, connected to an inverter onshore and finally fed into the grid. 5.4 Line Commutated Control ( LCC ) HVDC utilizing Thyristors LCC transmittal require commuting electromotive force which is conventionally supplied through a normal or a inactive ( STATCOM ) type synchronal compensator [ 19 ] . The advantages of LCC systems in seaward air current farms are [ 19 ] : LCC transmittal can be used for high capacity power, making 1600MW nexus compared to VSC transmittals, which reach 300MW [ 17 ] . Over 30 old ages of development in LCC engineering The convertor station for an LCC system is twice the size in contrast to a VSC system due to the switchgears and breaker- switched AC harmonic filters necessitating much infinite. LCC systems have lower power losingss compared to VSC systems. 5.5 Voltage Source Converter ( VSC ) HVDC utilizing IGBTs Besides conventional LCC transmittal, another engineering is the electromotive force beginning convertor ( VSC ) transmittal utilizing IGBTs. The electromotive forces beginning comes from capacitances [ 20 ] . The advantages of VSC transmittals used in air current farms are [ 19 ] : VSC systems are self-commutating and external electromotive force beginning is non required for operation. Reactive power control does non necessitate switchable AC harmonic filters and is independent of active power control. The power reactive power flow is independently controlled, doing AC electromotive forces from each terminal controllable. 5.6 HVDC and HVAC Combination Not all offshore air current farms are built in it ‘s wholly. They are normally built in stages. For such state of affairss, Reference [ 21 ] recommends transmission combination of HVAC and HVDC. Preliminary stages of building of air current farms can use AC connexion due to the initial little graduated table and subsequently utilizing HVDC connexion as the air current farm ‘s scale expands [ 21 ] . Section Six Decision Overview of offshore air current farms has been presented in this literature reappraisal. Different topologies and internal grid connexions are outlined. Furthermore, we have looked into applications of synchronal and initiation generators used in air current turbines and explored the difference between fixed velocity and variable velocity generators, which are indispensable in air current turbines in regard to generated end product power. Finally, a general sum-up of the transmittal methods for offshore wind farms were documented, traveling into specific AC transmittal drawbacks and the emerging tendency of HVDC transmittals. Based on the generalised apprehension of the air current farms, we aim to further analyze the jobs of its connexion, with respects to the air current farm ‘s internal grid and AC transmittal to the chief grid. Comparisons between internal DC and AC grid of air current farms will besides be studied. Power flow surveies and simulations will be conducted and aimed at bring forthing new recommendations and solutions. Mentions C. Meyer, et al. , â€Å" Control and Design of DC Grids for Offshore Wind Farms, † Industry Applications, IEEE Transactions on, vol. 43, pp. 1475-1482, 2007. G. W. E. Council, â€Å" Global Installed Wind Power Capacity ( MW ) – Regional Distribution, † 2008. M. Dicorato, et al. , â€Å" Critical issues in big offshore air current farm design and operation, † in Clean Electrical Power, 2009 International Conference on, 2009, pp. 471-478. M. Nandigam and S. K. Dhali, â€Å" Optimal design of an offshore air current farm layout, † in Power Electronics, Electrical Drives, Automation and Motion, 2008. SPEEDAM 2008. International Symposium on, 2008, pp. 1470-1474. J. Machowski, et al. , Power System Dynamics: Stability and Control, Second Edition erectile dysfunction. : John Wiley A ; Sons, Ltd, 2008. J. Twidell, A Guide to Small Wind Energy Conversion Systems: Cambridge University Press, 1987. D. H. Anca, et al. , â€Å" Grid support of a air current farm with active stall air current turbines and AC grid connexion, † Wind Energy, vol. 9, pp. 341-359, 2006. N. M. Kirby, et al. , â€Å" HVDC transmittal for big offshore air current farms, † Power Engineering Journal, vol. 16, pp. 135-141, 2002. W.Grainger and N.Jenkins, â€Å" Offshore Wind Farm Electrical Connection Options. † L. Hui and C. Zhe, â€Å" Design optimisation and rating of different air current generator systems, † in Electrical Machines and Systems, 2008. ICEMS 2008. International Conference on, 2008, pp. 2396-2401. L. H. L. H. Hansen, F. Blaabjerg, E. Ritchie, S. Munk-Nielsen, H. Bindner, P. S A ; oslash ; rensen, B. Bak-Jensen, â€Å" Conceptual study of Generators and Power Electronics for Wind Turbines, † 2001. S. Heier, Grid Integration of Wind Energy Conversion Systems, Second erectile dysfunction. : John Wiley A ; Sons, Ltd, 2006. T. John Olav Gi A ; aelig ; ver, â€Å" Using power quality features of air current turbines for measuring impact on electromotive force quality, † Wind Energy, vol. 5, pp. 37-52, 2002. T. John Olav Gi A ; aelig ; ver, â€Å" Grid Integration of Wind Farms, † Wind Energy, vol. 6, pp. 281-295, 2003. P. Sally D. Wright, et al. , â€Å" Transmission Options for Offshore Wind Farms in the United States, † p. 12, 2002. ESS, â€Å" Appendix 3-C, Transmission Issues for Offshore Wind Farms with Specific Application to Siting of the Proposed Cape Wind Project, † Restrictions of Long Transmission Cables for Offshore Wind Farms 2003. S. Foster, et al. , â€Å" Control of an LCC HVDC system for linking big offshore air current farms with particular consideration of grid mistake, † Pittsburgh, PA, United provinces, 2008. T. Kenichi, et al. , â€Å" New control for HVDC system connected to big windfarm, † Electrical Engineering in Japan, vol. 166, pp. 31-39, 2009. L. Xu and B. R. Andersen, â€Å" Grid connexion of big offshore air current farms utilizing HVDC, † Wind Energy, vol. 9, pp. 371-382, 2006. E. Spahic and G. Balzer, â€Å" Impact of the VSC HVDC Connection of Large Offshore Wind Farms on Power System Stability and Control, † in Power Tech, 2007 IEEE Lausanne, 2007, pp. 207-212. E. Spahic and G. Balzer, â€Å" Offshore air current farms – VSC-based HVDC connexion, † in Power Tech, 2005 IEEE Russia, 2005, pp. 1-6. How to cite With wind power technologies, Essay examples

Impact of Research on Social Change

Question: Discuss the impact of research on social change. Answer: The purpose of this study is to understand the impact of research on social change. The study statement provides in this paper shows that research has a wide impact on the society. Therefore, it can be said that the statement is relevant and appropriate for the study. The participants have not mentioned the research participants. The research statement consist the aim of the study and its expected outcome. However, it does not address the research problem. In order to improve the statement, it would be important to incorporate the research participant and problem as well. Qualitative technique helps to get feedbacks from the respondents through open-ended questions (Taylor, Bogdan DeVault, 2015). In this study, a qualitative approach has been taken under consideration. The aim was to identify the impact of research on social change. In this study, viewpoint of different researches have been gathered and analyzed. This means, the researcher has focuses on a single phenomenon while conducting the research. This research does not consist of quantitative method, as the researcher has not conducted survey among the respondents (Lewis, 2015). The respondents were asked to provide a clear justification about their perception. Therefore, it can be said that the respondents have provided general definition of the central phenomenon. The study shows that research helps to bring social change. It helps to communicate with the participants regarding the study topic. In order to obtain accurate research outcome, the researchers have provided their viewpoint regarding the central topic of the study. The method utilized in this study is appropriate and relevant with the research statement. Reference Lewis, S. (2015). Qualitative inquiry and research design: Choosing among five approaches.Health promotion practice, 1524839915580941 Taylor, S. J., Bogdan, R., DeVault, M. (2015).Introduction to qualitative research methods: A guidebook and resource. John Wiley Sons.