power generation and the synchronous machine
Tài liệu Afghanistan - State and Society, Great Power Politics, and the Way Ahead docx
... ask the Canadians, the Dutch, the Brits, or the Danes, this is about war fighting Others see it rather as a development mission the Swedes and the Germans believe they are doing development Others, ... Because there is no one more concerned about what the exit strategy is going to look like than the Taliban on the one hand and the Afghan government on the other They would actually rather like ... attendees and both the introduction and collection itself have been reviewed and approved by RAND Science and Technology Afghanistan: State and Society, Great Power Politics, and the Way Ahead...
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Báo cáo khoa học: "ON FORMALISMS AND ANALYSIS, GENERATION AND SYNTHESIS IN MACHINE TRANSLATION" pptx
... measures) The consequence to the above is that the output of the transfer, and hence the input to synthesis, may contain a mixture of the information Some of this information are pertinent, namely the ... representations (S) (logical structures) The set S is however further defined (constrained) by the binding theory, 0theory and the empty category principle As a third example, the STCG formalism defines R(T,S) ... set the specifications for analysis and synthesis by means of a general formalism, one can then proceed to implement the analysis and synthesis Ideally, one should have an interpreter for the...
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the wizard and the war machine
... fallen, and nothing hid the dead brown grass and weeds or the bare gray soil of the furrows The farmers themselves had mostly retreated into the city for the winter, abandoning their lands to the ... Flame's obvious hatred and the computer's programmed belief in the rightness of everything the Command did, they would brand Turner a liar and a traitor, and that would be the end of everything ... of IRU 247 paid no attention to the crater, though, they might yet find people out there in the forest, wanderers, villagers, and others They might ask them if they were loyal citizens of Old...
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hindenburg power myth and the rise of the nazis nov 2009
... discredited in Germany The National Socialists’ powerful appropriation of older political myths during their rise to power and the aesthetics of their rule meant that myths were seen first and foremost ... of other historical narratives His myth was closely entwined with the notion of German ‘innocence’ for the outbreak of war in 1914, the saviour theme, the ‘stab-in -the- back’ legend, and the ‘spirit ... enemies In the words of Theodor Wolff, the chief editor of the Berliner Tageblatt, ‘a difference exists between the French, who defend their country, and the great Russian mass, which follows the Tsar’s...
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genetic algorithm based optimal pwm in high power synchronous machines and regulation of observed modulation error
... coupled to the synchronous machine as the load The excitation of the asynchronous generator is supported by the three phase main voltage through the inverter The inverter is two sided so that the reactive ... reactive power is fed from the phase main system to provide the excitation of generator and the active power direction is from the generator and it is changeable with the firing angles of the inverter.; ... constraint on the number of switches, fs N f1 then since: (32) On the other hand, in the machines with rotating magnetic field, in order to maintain the torque at a constant level, the fundamental...
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Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm
... where r0 is the radius of the axisymmetric wake immediately behind the turbine rotor, a is the axial induction factor, and rr is the rotor radius of the turbine The wind velocity in the wake at ... (9) In equations (6)-(9), Xm is the location where the far wake model is coupled to the near wake, Dm is the diameter of the wake at Xm and um is the velocity in the wake at Xm Xm is given by: ... assume the VAWT to be an actuator disc so the near field behind the wind turbine is neglected We modify the Jensen’s model [4] of the wake and apply it to determine the wake of a VAWT Now, the cross-section...
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Tài liệu Custom, Power and the Power of Rules International Relations and Customary International Law doc
... institutionalism The ‘English School’ Law and international relations 24 31 Power and international law Power and the debate about whether resolutions and declarations constitute State practice Power and the ... Law and power Some working assumptions Power and the study of international law Opinio juris, the customary process and the qualifying effects of international law 13 15 18 21 Regime theory and ... primitive and no weaker system of law enforcement than this; for it delivers the enforcement of the law to the vicissitudes of the distribution of power between the violator of the law and the victim...
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Tài liệu The Boss and the Machine docx
... this chapter the war and the remarkable economic expansion following the war It was the cause of the alliance between business and politics It made the machine and the boss the sinister and ever ... and send the result of their balloting to the Capitol, where the President of the Senate, in the presence of the Senate and the House of Representatives, opened the certificates and counted the ... in the name they assumed, Democratic-Republican They were eager to limit the federal power to the glorification of the States; the Federalists were ambitious to expand the federal power at the...
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Rahman, Saifur “Electric Power Generation: Non-Conventional Methods” The Electric Power pdf
... April) and weakest in the summer (July and August) Utilities here are summer peaking, and hence need the most power when winds are the lowest and the least power when winds are highest The diurnal ... consumption by the home and the other energy production by the turbine The owner would pay the regular retail rate, and the utility would pay their estimate of avoided cost, usually the fuel cost of ... the expander must operate at the same time and must have the same air mass flow rate In the case of a CAES plant, the compressor and the expander can be sized independently to provide the utility-selected...
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Ramakumar, Rama “Electric Power Generation: Conventional Methods” The Electric Power Engineering pot
... control and actuating equipment for regulating the flow of water through the turbine, for starting and stopping the unit, and for regulating the speed and power output of the turbine generator The ... and a turbine The compressor takes the input air and compresses it, which will increase the temperature and decrease the volume per the Brayton Cycle The fuel is then added and the combustion ... 2.2 Synchronous Machinery Paul I Nippes General Synchronous motors convert electrical power to mechanical power; synchronous generators convert mechanical power to electrical power; and synchronous...
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THE REPRODUCTION OF LABOR-POWER IN THE GLOBAL ECONOMY, MARXIST THEORY AND THE UNFINISHED FEMINIST REVOLUTION ppt
... categories, and a new understanding of the history and fundamentals of capitalist development and the class struggle Starting in the early 1970s, a feminist theory took shape that radicalized the theoretical ... and alienation, and live with the anguish of not being able give to the people they love the care they give to others across the world, we know that something quite dramatic is happening in the ... reproducing their families regardless of the value the market places on their lives, valorizing their existence, reproducing them for their own sake, even when the capitalists declare their uselessness...
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Governing Electronically E-Government and the Reconfiguration of Public Administration, Policy and Power potx
... hold the gun; the gun is another object because it has entered into a relationship with you The gun is no longer the gun-in -the- armory or the gun-inthe-drawer or the gun-in -the- pocket, but the ... intentions through the actions of the material object, a locked door Consider the occasion when the owner comes home to unlock and enter their home, and finds s/he has lost their key The locked door ... the use of tools and reflect on the way in which instruments can transform the way in which we understand and see the world In a very literal way, the invention of the telescope and microscope transformed...
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Professions and the public interest Medical power, altruism and alternative medicine pot
... at this stage, in the face of the decline of the landed gentry and the diversification of demand for services amongst the ascendant commercial and industrial classes, that the professions were ... private practice if they adopted the new research-oriented approach, and that they possessed the power to resist the threat through their control of the medical rewards system But they not go far ... that the generalized and systematic knowledge in their possession is used for the benefit of the wider public The parallel between the legitimizing altruistic ideologies of professions and the...
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THE DREAMING CITY GLASGOW 2020 AND THE POWER OF MASS IMAGINATION potx
... class landscape, idealized it and estranged it from its roots Likewise, they have empowered the young, the middle class and the outsider at the expense of the vulnerable, the working class and the ... green and alive, it tore the skin of my hands, but I was determined I watched the tree as it teetered and then fell into the water I rubbed the dirt, sap and blood off my hands and went down to the ... from the work of Clyde Unity Theatre in the 1930s to such plays as The Steamie, the oft-repeated The Gorbals Story, John Byrne’s The Slab Boys Trilogy and, in 1990, the ambitious The Ship THE...
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Báo cáo khoa học: "THE MACHINE AND THE MAN" pot
... THE MACHINE AND THE MAN requiring a change in the conventional method of writing This concept of changing the input language to fit the needs of the machine is carried to the extreme ... increase the demand for human translators The output of the machine itself, of course, could be made the basis for the more careful job of translation This leads us to the concept of the post-editor, ... accurately the literary quality of the original We now inquire what is the relation of man to the machine under these circumstances We still have man as designer and creator of the machine; but...
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electric power generation, transmission, and distribution ( (2)
... magnitude, and In is the harmonic current rms magnitude If an overload relay determines the I2R heating effect using the fundamental component of the current only [I1], then it will underestimate the ... the pass-band of the antialiasing filters and sampling rate, for numerical relays A second effect is heating due to high-frequency eddy-current loss in the copper or aluminum of the windings The ... proportional to the square of the harmonic amplitude and the square of its frequency as well Mathematically, PEC ¼ PECÀRATED Á N X In n2 (1:3) n¼1 where PEC is the winding eddy-current loss and PEC-RATED...
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electric power generation, transmission, and distribution ( (3)
... circumstances and the following situation will then develop: When the field supply is removed, the generator real power will remain almost constant during the next seconds Because of the drop in the excitation ... to the rotor and the exciter Furthermore, if a large section of the field winding is shortcircuited, a strong imbalance due to the abnormal air-gap fluxes could result on the forces acting on the ... increasingly negative reactive power Because the ratio of the generator voltage over the current becomes smaller and smaller with the phase current leading the phase voltage, the generator positive sequence...
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electric power generation, transmission, and distribution ( (4)
... is the sum of the local current plus the contribution from the intermediate source, and the voltage at the relay location is the sum of the two voltage drops, one of which is the product of the ... so these relays respond to the distance between the relay location and the fault location As the power systems become more complex and the fault current varies with changes in generation and ... suffer from the same difficulties as remote backup, but they are installed in the same substation and use some of the same elements as the primary protection They may then fail to operate for the same...
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