braking devices of power driven vehicles trailers

Báo cáo "Application of power electronic components to control parameters and switching of compensation devices on power networks " doc

Báo cáo "Application of power electronic components to control parameters and switching of compensation devices on power networks " doc

... (imposible maximum power of loads) [4,5] In practice, the power of loads vary depending on demand of comsumption, result in varying voltage profile and power factor, therefore effecting power supplying ... surveys of Power Transmission Companies and Utilities, power factor for each voltage level as follow: - For 35kV level: power factor is around 0.8 at peak load, 0.99 at off-peak load Thus, the power ... Journal of Science, Mathematics - Physics 25 (2009) 77-82 500KV 110 kV, 220 KV 35KV kV 6÷22kV 0,4 kV Fig Diagram of power network For this network, the power factor (cosϕ) and reactive power compensation...

Ngày tải lên: 05/03/2014, 14:20

6 408 0
Báo cáo hóa học: " Using Simulated Partial Dynamic Run-Time Reconfiguration to Share Embedded FPGA Compute and Power Resources across a Swarm of Unpiloted Airborne Vehicles" pdf

Báo cáo hóa học: " Using Simulated Partial Dynamic Run-Time Reconfiguration to Share Embedded FPGA Compute and Power Resources across a Swarm of Unpiloted Airborne Vehicles" pdf

... been no investigation of the sharing of power and high-performance embedded computing resources across the swarm Next we review the literature on the sharing of the types of embedded FPGA compute ... replacement of members of the swarm The literature survey shows that there have been no examples of FPGA task mobility and within the context of embedded systems for UAVs there are no examples of the ... purpose of this discussion, the configuration process of the popular Xilinx Virtex family of FPGAs is adopted as an example, as the configuration of an FPGA is family dependent Reconfiguration of Virtex...

Ngày tải lên: 22/06/2014, 22:20

12 392 0
The Role of Power

The Role of Power

... Role of Power  Rules for Using Power Role of PowerPower defined:  • Ability or official capacity to exercise control;  authority • Ability to influence or control others  Sources of Power ... Relationship between power &  dependence • Power A, B = Dependence B, A • Power of person A over B is equal to the  dependence of person B on A Rule #6: Power of Who You Know It’s not what you know but who you know ... Find the Soft Spot  Encourage others to open up • Gain disclosure of something private or  personal about your counterpart • Expression of trust  Identify true motivations and sources  of objections...

Ngày tải lên: 22/08/2012, 22:07

20 591 0
Tài liệu Secret of power ppt

Tài liệu Secret of power ppt

... products Power systems for telecom are, in fact, some of the most rigorously tested and standardized of all products By April 24, 2000 • www.internettelephony.com • TELEPHONY POWER Power rules ... Don’t make your technicians Power equipment Primary power Secondary power learn two or three different ones distribution distribution Even if individual installations are (power distribution panel) ... exposFuse panel ing your powering equipment to the AC power elements Someone will drill a hole DC-powered distribution equipment into your wall And your bestRectifiers DC-powered trained technician...

Ngày tải lên: 10/12/2013, 20:15

3 307 0
Tài liệu Fundamentals Of Power Electronics P2 pptx

Tài liệu Fundamentals Of Power Electronics P2 pptx

... m) of boost, 18, 26, 127, 381 of buck, 18, 120, 381 of buck-boost, 18, 128, 381 of Cuk converter, 32, 381 of loss-free resistor networks, 376-381 in low-harmonic rectifiers, 593-595 modeling of, ... 458-460 of free space, m0, 458 relative, mr, 458 Phase asymptotes of complex poles, 279-282 inverted forms, 272 of real pole, 266-268 of real zero, 269 of RHP zero, 270 Phase control of resonant ... currents, table of, 609 of near-ideal rectifier waveforms, 604-609 Rotation of three-terminal cell, 141-142 Saturation of inductors, 462, 465-466 of magnetic materials, 458-460 of transformers,...

Ngày tải lên: 13/12/2013, 01:15

20 666 1
Tài liệu Fundamentals Of Power Electronics P1 pdf

Tài liệu Fundamentals Of Power Electronics P1 pdf

... Fundamentals of Power Electronics R W Erickson Table of Contents Back Introduction 1.1 Introduction to power processing 1.2 Several applications of power electronics 1.3 Elements of power electronics ... http://ece-www.colorado.edu/~pwrelect/book/SecEd.html (6 of 6) [25/04/2002 16:42:05] Fundamentals of Power Electronics Fundamentals of Power Electronics Second Edition Up To instructors of Power Electronics courses: how ... (1 of 2) [25/04/2002 16:42:07] Fundamentals of Power Electronics http://ece-www.colorado.edu/~pwrelect/book/copies.html (2 of 2) [25/04/2002 16:42:07] Fundamentals of Power Electronics Table of...

Ngày tải lên: 13/12/2013, 01:15

30 731 2
Tài liệu Topologies of Power Electronic Converters doc

Tài liệu Topologies of Power Electronic Converters doc

... of one set of properties into electric energy of another, different set of properties The properties that are changed by the action of the converter are one or more of the following: number of ... ENGNG3070 Power Electronics Devices, Circuits and Applications TOPOLOGIES OF POWER ELECTRONIC CONVERTERS 3.1 Introduction Power electronic converters (PECs) are static devices, without ... enabled change of upper border of integration in calculation of coefficients of Fourier series from 360 degrees to 90 degrees only, and subsequent multiplication of the results of integration...

Ngày tải lên: 17/12/2013, 14:15

57 450 1
Reliability analysis of power system based on generalized stochastic petri nets

Reliability analysis of power system based on generalized stochastic petri nets

... transition T PU T of the protection of line L1 , then we only need the information contained in the column I1 of Table III This column resumes the current of L1 on each one of the possible configurations ... description of states (configurations); 2) Specification of transitions (events) The result of such a procedure can be then synthesized in a Markov Chain enriched by extra elements The function of such ... sake of simplicity To the present time, the stochastic transitions were supposed to have constant probability of firing However, there is a strong correlation between the operating conditions of power...

Ngày tải lên: 03/01/2014, 19:35

6 339 0
Reliability assessment of power systems considering reactive power sources

Reliability assessment of power systems considering reactive power sources

... locally Secondly, the main role of reactive power is to maintain voltage stability/security of power systems The effect of reactive power on system reliability in terms of energy not supplied is indirect ... physical limitation of a generator's capability for the simultaneous production of real and reactive power A typical generation capability curve is shown in Fig The real power output of a generator ... differentiate reactive power from active power in power system operation Firstly, it is not efficient to transfer reactive power over a long distance because the reactive power loss in transmission...

Ngày tải lên: 03/01/2014, 19:39

7 570 0
Reliability evaluation of the auxiliary electrical systems of power stations

Reliability evaluation of the auxiliary electrical systems of power stations

... techniquesforevaluatingpowerplantauxiliaryequipmnreliability", t 1971 Generation Power Conference S t L o u i s , IEEE paper CP702-PW 1448 of Auxiliary Electrical Power Systems of a Generating Station”, ... magnitude of We fully endorse the viewpoint of the authors that there is much to be gained by cost-benefit analysis of auxiliary equipment in stations The capitalized cost of 1% increase in FOR of a ... reliability of a generating unit We would like t o note that the performance of auxiliary electrical system (and of other systems) depends on the reliability and maintainability (R&M) characteristics of...

Ngày tải lên: 03/01/2014, 19:39

9 333 0
Tài liệu Legacies of Power pdf

Tài liệu Legacies of Power pdf

... Masire of Botswana), who reached the expiry of constitutional term limits (Hassan Mwinyi of Tanzania, Jerry Rawlings of Ghana, Bakili Muluzi of Malawi, Daniel arap Moi of Kenya, Sam Nujoma of Namibia, ... the grounds of his being considered a risk to national security This application of the full force of unrestricted autocratic repressive power at the discretion of the President’s Office clearly ... to the official announcement, the US president welcomed Festus Mogae of Botswana, John Kufuor of Ghana, Armando Guebuza of Mozambique, Hifikepunye Pohamba of Namibia and Mamadou Tandja of Niger...

Ngày tải lên: 15/02/2014, 11:20

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Tài liệu Integrating Instruments of Power and Influence in National Security pptx

Tài liệu Integrating Instruments of Power and Influence in National Security pptx

... recommendations included the creation of military counselors to advise the regional Assistant Secretaries of State and the increased empowerment of the Department of State’s Office of Reconstruction and Stabilization ... of this discussion of coordination and integration of instruments of power and influence emerged two central themes: utility and balance Many of the obstacles to integration are the product of ... dialogue on “Integrating Instruments of Power and Influence in National Security.” Two panels of current and former senior military officials and diplomats offered distinct perspectives, followed...

Ngày tải lên: 18/02/2014, 01:20

17 478 0
Tài liệu Building the U.S. e Battery Industry of Electric Drive Vehicles ppt

Tài liệu Building the U.S. e Battery Industry of Electric Drive Vehicles ppt

... consumers see the payoff of abandoning gas-powered cars and paying a $6,000 to $12,000 premium for a battery-powered car The resulting slow pace of adoption of Electric Drive Vehicles is making ... in Livonia, Michigan, and this report of that symposium, address the first of two key elements of the Statement of Task (described below) of a committee of the National Research Council The American ... president of the National Academy of Sciences The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding...

Ngày tải lên: 18/02/2014, 21:20

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Integrating Instruments of Power and Influence pdf

Integrating Instruments of Power and Influence pdf

... integrating instruments of power and influence The Right Skills, When Needed One of the most frustrating aspects of the work of the Department of State today is that it does not have enough of the right ... Instruments of Power and Influence: Lessons Learned and Best Practices in full measure is beyond the scope of this initial report It should be the subject of follow-on work Members of the Panel of Senior ... end of the spectrum of military operations, the principle of integrating all elements of national power and influence applies The issues covered here, therefore, represent only one element of what...

Ngày tải lên: 15/03/2014, 22:20

109 397 0
AMERICAN CONSTITUTIONAL LAW VOLUME I SOURCES OF POWER AND RESTRAINT pptx

AMERICAN CONSTITUTIONAL LAW VOLUME I SOURCES OF POWER AND RESTRAINT pptx

... Development of National Power Introduction Structural Aspects of Congress Constitutional Sources of Congressional Power The Power to Investigate Regulation of Interstate Commerce Taxing and Spending Powers ... University of Tennessee Professor Stephens is the author of The Supreme Court and Confessions of Guilt (1973); he is coauthor, with Gregory J Rathjen, of The Supreme Court and the Allocation of Constitutional ... (1966) City of Boerne v Flores (1997) Chapter Constitutional Underpinnings of the Presidency Introduction Structural Aspects of the Presidency Theories of Presidential Power The Veto Power Appointment...

Ngày tải lên: 16/03/2014, 03:20

433 795 1
Maximum Influence: The 12 Universal Laws of Power Persuasion pptx

Maximum Influence: The 12 Universal Laws of Power Persuasion pptx

... Chapter Law of Contrast Psychology of Motivation Chapter 10 Law of Expectations Goal Mastery Form Chapter 11 Law of Involvement How to Increase Involvement Chapter 12 Law of Esteem Power of Praise ... Universal Laws of Success Chapter Law of Connectivity Reading Nonverbals Chapter Law of Social Validation The C’s of Trust Chapter Law of Scarcity Scarcity Questions Chapter Law of Verbal Packaging ... audience’s perception of the credibility of the speaker Aristotle taught that ethos was the most powerful of the three persuasive means Indeed, scientific research has proven the power of individual...

Ngày tải lên: 16/03/2014, 07:20

255 918 1
Báo cáo khoa học: "Learning the Structure of Task-driven Human-Human Dialogs" pot

Báo cáo khoa học: "Learning the Structure of Task-driven Human-Human Dialogs" pot

... sufficient discriminatory power between different types of statement (for generation), and to include an out -of- domain tag (for interpretation) We provide a sample list of our dialog act tags in ... composed of the sequence of subtasks opening, contact-information, order-item, related-offers, summary Subtasks can be nested; the nesting structure can be as deep as five levels Most often the ... Proceedings of NAACL’01 M Poesio and A Mikheev 1998 The predictive power of game structure in dialogue act recognition: experimental results using maximum entropy estimation In Proceedings of ICSLP’98...

Ngày tải lên: 17/03/2014, 04:20

8 300 0
Making Sense of Data-Driven Decision Making in Education pot

Making Sense of Data-Driven Decision Making in Education pot

... with, use of, perceived usefulness of, and support received for using different types of data • Interviews and focus groups In all of the studies, researchers conducted detailed case studies of schools ... Approximately one-half of California districts and one-third of Pennsylvania districts require mathematics progress tests in some or all of their schools Another indicator of the importance of progress ... them achieve proficiency on state tests One specific use of test scores common to many of the study sites was the identification of “bubble kids” or students whose current levels of achievement...

Ngày tải lên: 23/03/2014, 05:24

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Fascist Spectacle The Aesthetics of Power in Mussolini''''s Italy pptx

Fascist Spectacle The Aesthetics of Power in Mussolini''''s Italy pptx

... authority of power, whose discourse purportedly tells the truth [18] Power becomes both the producer and the product of its own discursive formation [19] The power of narrative and the narrative of power ... but narratives of power are also able to create new categories of understanding, frames of reference, forms of interpretation that naturalize meanings and in turn affect the course of social action.[16] ... identification of the statesman with the artist and his idea of the state as a work of art He emphasized the implosion of means and ends in the regime's pursuit of its political project and warned of the...

Ngày tải lên: 23/03/2014, 11:20

199 608 0
An Analysis of Power Consumption in a Smartphone doc

An Analysis of Power Consumption in a Smartphone doc

... such that on average, negligible power is consumed Even video playback, one of the more data-intensive uses of mobile devices, showed SD power well under % of total power RAM has similar characteristics; ... 38 % of aggregate power, up to 68 % with maximum backlight brightness The energy cost of loading the video from the SD card is negligible, with an average power of 2.6 mW over the length of the ... GSM Figure 2: Power breakdown in the suspended state The aggregate power consumed is 68.6 mW Figure 3: Average power consumption while in the idle state with backlight off Aggregate power is 268.8...

Ngày tải lên: 23/03/2014, 13:20

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