time out sequence on power up mclr tied to vdd
Effects of time of heatsetting on the tensile properties of ingeo™ poly (lactic acid) (PLA) fabric
Ngày tải lên :
05/09/2013, 16:10
... weft direction Figure 14 Mean effect of time of heatsetting on tensile resilience RT % on knitted Ingeo Poly (lactic acid) (PLA) fabric Conclusion The effect of time of heatsetting on tensile ... 2076-2909 (Online) ©2013 International Energy & Environment Foundation All rights reserved International Journal of Energy and Environment (IJEE), Volume 4, Issue 5, 2013, pp.797-806 799 extension in ... of time of heatsetting on the linearity of load extension in warp direction of knitted Ingeo™ Poly (lactic acid) fabric Figure Effect of time of heatsetting on the linearity of load extension...
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Tài liệu INCREASED INTERACTIVITY TO REDUCE DROP-OUT RATE ON DISTANCE LEARNING PROGRAMS pptx
Ngày tải lên :
20/12/2013, 19:15
... indications that students sometimes will prefer the It solution to the personal contact Research has confirmed that college students prefer using electronic means to seek help from instructors if ... Maanmittauslaitos, and VGR Their biggest competitors are Sametime, Breeze, Arel, Microsoft, and H.323 Their strongest advantage, according to Conny Ericsson, is that the company offer “Real Time Collaboration ... been the inconvenience of using so many different software solutions To simplify there has been a wish to move over to using only one software, which should have all of the function covered by...
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Tài liệu Báo cáo khoa học: "Predicting Unknown Time Arguments based on Cross-Event Propagation" ppt
Ngày tải lên :
20/02/2014, 09:20
... sample The annotation for both training and test sets took one human annotator about 10 hours We asked another annotator to label the 10 test texts separately and the inter-annotator agreement is ... unknown time arguments which were not possible using the traditional time argument extraction techniques Conclusion and Future Work In this paper we described two approaches to predict unknown time ... pre-cursor/consequence or causal relation We present two examples as follows • Example For example, we can propagate the time “Sunday (normalized into “2003-04-06”)” from a “Conflict-Attack” EMi to a...
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Báo cáo "Application of power electronic components to control parameters and switching of compensation devices on power networks " doc
Ngày tải lên :
05/03/2014, 14:20
... In the next section, we introduce a power electronic structure to control firing angle α of thyristor Power electronic structure for controlling firing angle α of thyristor 2.1 Controlling block ... valves Conclusion The application of power electronic components for controlling in the above mentioned cases brings certain benefits Comparing with the manual switching method or contactors switching ... because of consuming a lot of reactive power Therefore, not only the compensation devices should be installed on the primary side but also on the the secondary side Commonly, compensation level...
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Power up your mind learn faster, work smarter
Ngày tải lên :
12/03/2014, 15:05
... neuron One group brings information from our senses, another has a networking role using 18 Power Up Your Mind their dendrites to connect to other neurons in our brain, and the third group conveys ... flowers to Kensington Palace Hundreds of thousands of Getting Ready to Learn these same ordinary people traveled to London to leave flowers as a mark of respect The world’s press camped out in London ... make connections As you have seen, the way that the brain learns is by making connections Axons and dendrites link together to enable meaning and learning to flow from one neuron to another In...
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AN UPDATE ON POWER QUALITY pptx
Ngày tải lên :
17/03/2014, 02:20
... harmonic distortion and its measurement is carried out in term of Total Harmonic Distortion (THD) This distortion travels back into the power source and can affect other equipment connected to ... difficult to improve the power quality with simple compensator Advance reactive power compensators with fast control and power electronic have emerged to supersede the conventional reactive compensator ... standard on harmonic control in electrical power system was published in 1992 and it covers all aspects related to harmonics [7] It defines the maximum harmonics distortion up to % on voltage...
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AN UPDATE ON POWER QUALITY doc
Ngày tải lên :
23/03/2014, 15:20
... harmonic distortion and its measurement is carried out in term of Total Harmonic Distortion (THD) This distortion travels back into the power source and can affect other equipment connected to ... third harmonic content in it, it will only develop additional losses, as the useful power comes only from the fundamental component Harmonics monitoring standards The identification of harmonics ... standard on harmonic control in electrical power system was published in 1992 and it covers all aspects related to harmonics [7] It defines the maximum harmonics distortion up to % on voltage...
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Báo cáo khoa học: Analysis of the effect of potato carboxypeptidase inhibitor pro-sequence on the folding of the mature protein pot
Ngày tải lên :
23/03/2014, 21:20
... and cloned into pBAT4 vector without the leader sequence OmpA All constructs cloned into pINIII vector were transformed into Escherichia coli strain MC1061 and those cloned into pBAT4 vector were ... affected in the pro form Time- course deuteron to proton exchange monitored by MALDI-TOF MS [27] was also performed for both proteins PCI contains 65 labile hydrogens and NMR has demonstrated that five ... [22] ProNtPCI was also cloned into pBAT4 expression vector [23], derived from the pET plasmids [24], with and without the leader sequence OmpA ProPCI was generated from ProNtPCI by means of one-step...
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power up your traffic
Ngày tải lên :
29/04/2014, 14:50
... customers That’s all it takes to make your email signature stand out So, better try it! - don't miss out on using this free, easy advertising method to get more traffic to your website! Power Up ... theme This all depends on what your goals are Step 5: Set up the contest on your website Now is the time to set up the contest on your site You or your web designer needs to make a page, design ... each one has its own rules that can change at any time Try to get familiar with these sites' rules and regulations to be able to get a grasp on how they want your sites to be It's also a must to...
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finitte difference time domain studies on optical transmission through planar
Ngày tải lên :
06/05/2014, 08:53
... incident light to be considered is monochromatic and linearly polarized along the y-direction ridged) are compared in terms of transmission efficiency, field distribution, signal contrast, spot size, ... incident polarization direction on the bottom surface of the silver film as seen in Fig 10(c), which can be attributed to the excitation of the localized surface plasmon6) (LSP) due to the negative ... wavelength to achieve even higher transmission LSP is excited on the edges of the aperture in the silver film, which has a negative effect on the signal contrast and light concentration In contrary,...
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finitte difference time domain studies on optical transmission through planar
Ngày tải lên :
06/05/2014, 08:55
... incident light to be considered is monochromatic and linearly polarized along the y-direction ridged) are compared in terms of transmission efficiency, field distribution, signal contrast, spot size, ... incident polarization direction on the bottom surface of the silver film as seen in Fig 10(c), which can be attributed to the excitation of the localized surface plasmon6) (LSP) due to the negative ... wavelength to achieve even higher transmission LSP is excited on the edges of the aperture in the silver film, which has a negative effect on the signal contrast and light concentration In contrary,...
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Wind Power Impact on Power System Dynamic Part 1 pot
Ngày tải lên :
20/06/2014, 12:20
... design of wind power systems including a power source or synchronous generator (G), an AC/DC/AC converter and electronic equipment with power supplies connected to a power distribution network Mathematical ... Bridging Power (seconds or minutes duration) assuring continuity of service, contingency reserves or UPS (Uninterruptible Power Supply); and Power Quality & Reliability (milliseconds or seconds duration) ... E .On Netz 4.5.2 Active Power Control Active power control means to control the system frequency by changing the real power into the grid This is a requirement for generating units to be able to...
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Wind Power Impact on Power System Dynamic Part 3 docx
Ngày tải lên :
20/06/2014, 12:20
... reluctance torque, in addition to increasing the pull -out 86 Wind Power torque, increases also the power angle corresponding to the pull -out torque Power angle corresponding to pull -out torque can ... corresponding to the id-current according to the equation (18) 3.5.4 Pull -out torque Pull -out torque defines the maximum torque generator is capable to produce Trying to get out more torque, generator ... the supply side to suppress switching frequency harmonics generated by the AFE Generator side inverter controls the generator torque according to the power reference of the generator based on the...
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Wind Power Impact on Power System Dynamic Part 5 potx
Ngày tải lên :
20/06/2014, 12:20
... induction vector direction is not coupled to the rotor position as it is in the synchronous machine (due to the construction of a DC exciting circuit or permanent magnet on the rotor) Neglecting ... view, basic conditions concerning the operational behavior of the energy conversion chain have to be considered The basic requirement to meet the above mentioned demands on the operational behavior ... electromagnetic torque and excitation, can be controlled decoupled from each other and from rotor angle position Leonhard (1980) For the reasons pointed out above, the DFIG is one of the most used generator...
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Wind Power Impact on Power System Dynamic Part 7 pptx
Ngày tải lên :
20/06/2014, 12:20
... simulator on the left side of Fig 16 and 2) a purposed wind turbine controller on the right side The wind turbine simulator consists of a torque control inverter connected to a 7.5 kW induction motor ... perturbation and observation method To limit the output power at a specified power limit by stall regulation, the controller will reduce the rotational speed until the power coefficient reduces to the ... angle is constant), rotational speed control is another method to control the wind turbine to regulate output power in the stall region For instant, when the controller reduces the rotational speed,...
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Wind Power Impact on Power System Dynamic Part 8 pot
Ngày tải lên :
20/06/2014, 12:20
... ensuring controllable test conditions 249 Real -time Physical Simulation of Wind Energy Conversion Systems 3.2.2 Effector configuration The information exchange between the software simulator and ... kinds of controllers ensure the transfer of the converted power to the electrical grid The first one implements the PMSG 248 Wind Power torque/speed control by acting on the generator-side converter, ... is about a permanent-magnet synchronous generator (PMSG), the power circuit may include a diode rectifier, DC-DC and DC/AC converters, and so on In order to control the servomotor torque, a power...
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Wind Power Impact on Power System Dynamic Part 9 potx
Ngày tải lên :
20/06/2014, 12:20
... Fast fluctuations of power output can be divided into cyclic components (tower shadow, wind shear, modal vibrations, etc.), weather dynamics and events (connection or disconnection of the turbine, ... 481 825 448 1420 38 42 78 3332 2883 99.7%Conf.Int (MW) -201 to 197 -323 to 327 -191 to 188 -461 to 484 -9 to -22 to 24 -26 to 27 -1233 to 1256 -1091 to 1054 Table Statistics of 15-minute variability ... of predictability at the PRP level 99.7% Conf.Int (MW) 787 to 773 1239 to 1242 575 to 660 1577 to 1726 26 to 26 56 to 45 85 to 74 4345 to 4546 4113 to 4371 277 Variability and Predictability...
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Wind Power Impact on Power System Dynamic Part 10 potx
Ngày tải lên :
20/06/2014, 12:20
... introduced into an HLII (bulk power system) (Billinton & Wangdee, 2007) – (Allan & Billinton, 2000) non sequential Monte Carlo simulation tool Thanks to the utilization of that non sequential ... (2005), Real -Time Wind Turbine Emulator Suitable for Power Quality and Dynamic Control Studies, International Conference on Power Systems Transients (IPST’05) in Montreal, Canada on June 19-23, ... wind as input to a conventional turbine model connected to the equivalent grid The foundations of these models, their usual conventions and their limitations can be seen in (Akhmatov & Knudsen,...
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Wind Power Impact on Power System Dynamic Part 11 potx
Ngày tải lên :
20/06/2014, 12:20
... Real Case Transmission Systems Constraints on Wind Power Operation 337 In order to improve the offshore wind power integration and to consequently reduce the number of congestion hours over the ... frequency control pulses with parameters depending on the inverter output voltage deviation from the reference voltage, (Usin - Uout) The instant output voltage deviation corresponds to the total conducted ... bridge-element concept (B-element concept), (Belov et al., 2009) This concept corresponds well both to the structure and to the operation principles of an AC/DC/AC converter, being efficiently tied both to...
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Wind Power Impact on Power System Dynamic Part 13 potx
Ngày tải lên :
20/06/2014, 12:20
... of power production that can be matched to specific storage sites During excess wind power production or nighttime wind, this power is used to drive air compressors to pump up or pressurize storage ... Decoupling the Compression from Power (Alstom Power) Applications Stored energy integration into the generation-grid system is best illustrated in (Fig 8) “Energy Storage Applications on the Grid” This ... is considered to operate without wind turbines and it seems to be quite stable Secondly, the system is considered to operate with 28% of wind power, equal to 46MW and with the fast conventional...
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