7 incident power measurement system calibration and error analysis
Báo cáo khoa học: "A Graphical Interface for MT Evaluation and Error Analysis" doc
... Education and Science (OpenMT2, TIN2009-14 675 -C03) and the European Community’s Seventh Framework Programme under grant agreement numbers 2 477 62 (FAUST project, FP7ICT-2009- 4-2 477 62) and 2 479 14 (MOLTO ... Tool for Error Analysis of Machine Translation Output In Proc of the 49th ACL, HLT, Systems Demonstrations, pages 56–61 David Vilar, Jia Xu, Luis Fernando D’Haro, and Hermann Ney 2006 Error Analysis ... al., 20 07) and u graphical interfaces for human classification and annotation of these errors, such as BLAST (Stymne, 2011) They represent a framework to study the performance of MT systems and develop...
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Báo cáo hóa học: " Research Article LCMV Beamforming for a Novel Wireless Local Positioning System: Nonstationarity and Cyclostationarity Analysis" doc
... for Homeland Security and Homeland Defense IV, vol 577 8 of Proceedings of SPIE, pp 851–862, Orlando, Fla, USA, March-April 2005 [2] P Stoica and A Nehorai, “MUSIC, maximum likelihood, and Cramer-Rao ... NJ, USA, 19 97 [ 17] P Stoica, Z Wang, and J Li, “Robust Capon beamforming,” IEEE Signal Processing Letters, vol 10, no 6, pp 172 – 175 , 2003 [18] P Xia and G B Giannakis, “Design and analysis of ... Transactions on Acoustics, Speech, and Signal Processing, vol 37, no 5, pp 72 0 74 1, 1989 [3] M Hellebrandt, R Mathar, and M Scheibenbogen, “Estimating position and velocity of mobiles in a cellular...
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Data based system design and network analysis tools for chemical and biological processes
... computational and systems biology Various systems and data analysis issues common to complex chemical and biological processes have initiated a new paradigm called ChemBioSys (Chemical and Bioprocess Systems) ... for process and biological systems, especially with reference to complex systems • Identifying potential areas of biological systems analysis for employing and expanding Process Systems Engineering ... discovery and engineering’ Currently, many issues which signify the systemic approach to biology and greater use of mathematical, systems and computational techniques for better understanding and analysis...
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power system stability and control chuong (7)
... these criteria, and the knowledge of the stator current and cooling system effectiveness, the manufacturer can project the motor component heating, and thus insulation life, and the efficiency ... torsional oscillation and to suppress harmonic variation in the magnetic waveform In a motor, heavy bars and end connections are required in the pole face to minimize and withstand the high heat ... insulation as if it were a capacitor Shaft grounding and shaft voltage and grounding current monitoring can be employed to predict and prevent bearing and other problems 5.3 Performance 5.3.1 Synchronous...
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Nuclear Power System Simulations and Operation Part 7 potx
... passed to the system call interface and errors caused when return, or modified, pointer variables are not handled 84 Nuclear Power - System Simulations and Operation properly From the analysis we ... indicating an error If the error is not handled explicitly, a runtime error may occur Such an error often causes the operating system to give an error message to the user and then terminates the ... (20 07) Challenges Related to Error Propagation in Software Systems, Proceedings of Risk, Reliability and Societal Safety (ESREL), pp 83-90, ISBN 978 -0-415-4 478 3-6, Stavanger, Norway, June 25- 27, ...
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Nuclear Power System Simulations and Operation Part 7 pot
... passed to the system call interface and errors caused when return, or modified, pointer variables are not handled 84 Nuclear Power - System Simulations and Operation properly From the analysis we ... indicating an error If the error is not handled explicitly, a runtime error may occur Such an error often causes the operating system to give an error message to the user and then terminates the ... (20 07) Challenges Related to Error Propagation in Software Systems, Proceedings of Risk, Reliability and Societal Safety (ESREL), pp 83-90, ISBN 978 -0-415-4 478 3-6, Stavanger, Norway, June 25- 27, ...
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Optimal cost and allocation for UPFC using HRGAPSO to improve power system security and loadability
... Active power MW 14.1 57 5.505 9.595 21.235 23.438 34.134 148. 177 75 .189 11.955 17. 618 46.403 Reactive power Mvar 9.123 2.831 2.5 17 9.123 7. 865 19. 977 29.8 87 -6.135 2.5 17 11 .79 7 26.112 Power Factor ... 22.304 19 .79 7 17. 632 17. 388 17. 103 Line 4-5 6-11 6-12 6-13 7- 8 7- 9 9-10 9-14 R (Ω) 1.335 9.498 12.291 6.615 0 3.181 12 .71 1 X(Ω) 4.211 19.89 25.581 13.0 27 17. 615 11.001 8.45 27. 038 ISSN 2 076 -2895 ... October 19 97 [8] K S Verma and H O Gupta, “Impact on real and reactive power pricing in open power market using unified power flow controller”, IEEE Trans on Power Systems, Vol 21, No 1, pp 365 371 ,...
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Tài liệu Power System Modelling and Scripting doc
... 11.5 11.6 11 .7 11.8 11.9 264 266 2 67 271 273 273 274 276 277 278 279 280 281 308 310 312 312 XXVI 14.1 14.2 14.3 14.4 14.5 14.6 14 .7 15.1 15.2 List of Figures Voltage dependent ... Under-excitation limiter control diagram 17. 1 17. 2 17. 3 17. 4 368 368 369 372 372 373 374 375 375 376 General dc device voltages and currents RLC circuits ... 161 165 169 170 170 172 172 173 Contents XVII 7. 4.1 Singular Value Decomposition 174 7. 5 Summary 177 Time Domain Analysis ...
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design and performance ofan ammonia measurement system
... observations Systematic errors may be constant over a range or vary in a predictable manner Bias is a result of systematic error and can be corrected through calibration Spurious error is an error which ... sample mode 35 Error Checking Checking for errors is an important part of any complex system The program enabled the system to check for flow rate errors and alerted the user of the error as it ... applied to a collection of errors Three types of error are involved in measurement systems Random errors arise from unpredictable variations in the quantity measured These errors give rise to variations...
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power system stability and control chuong (1)
... examples of disturbance data in books such as The BMI Handbook of Power Signatures, Second Edition, and the Dranetz Field Handbook for Power Quality Analysis ß 2006 by Taylor & Francis Group, LLC ... be used in conjunction with power quality monitors to find a solution to the problem 33.4 Summary Most power quality problems can be solved with simple hand-tools and attention to detail Some ... absence of standards, several manufacturers have developed proprietary ‘‘flicker’’ meters In recent years, an effort has been made to standardize the definition of ‘‘flicker,’’ and to standardize the...
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power system stability and control chuong (2)
... Distribution System Modeling and Analysis William H Kersting 22 Power System Operation and Control George L Clark and Simon W Bowen 23 Hard to Find Information (on Distribution System Characteristics and ... Reta-Hernandez 14 Sag and Tension of Conductor D.A Douglass and Ridley Thrash 15 Corona and Noise Giao N Trinh 16 Geomagnetic Disturbances and Impacts upon Power System Operation John G Kappenman 17 Lightning ... transmission, distribution, and utilization of electric power and energy as well as the modeling, analysis, planning, design, monitoring, and control of electric power systems The individual chapters...
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power system stability and control chuong (3)
... 235 2 47 1= 97 2= 97 3= 97 4= 97 5= 97 6= 97 7= 97 8= 97 9= 97 10= 97 11= 97 12= 97 15.8 14 .7 17. 4 15.9 15.2 11.9 13.3 11 .7 13.6 15.0 14.3 13.6 21.2 19.0 22.8 20.4 19.8 16.3 18.5 16.9 19.0 21.1 19 .7 19.5 ... Oklahoma, and Texas), the winds are strongest in the spring (March and April) and weakest in the summer (July and August) Utilities here are summer peaking, and hence need the most power when ... 21.1 19 .7 19.5 269 2 07 291 242 236 1 67 212 176 211 265 239 235 speeds at 40 and 60 m were used to estimate the wind speed at 65 m (the nominal tower height of the V 47- 660) and to calculate the...
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power system stability and control chuong (4)
... a result, the compressor and 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 ... Group, LLC systems are quiet and non-polluting, and can be installed near load centers and existing suburban substations These have round-trip AC–AC efficiencies in the range of 85%, and can respond ... load curve, and the price of off-peak power For example, the CAES plant in Germany requires h of compression per hour of generation On the other hand, the Alabama plant requires 1 .7 h of compression...
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power system stability and control chuong (5)
... of their total customer demand Some of these systems have been residential and commercial rooftop systems and other systems have been larger ground-mounted systems PV systems are generally classified ... Stand-alone PV systems are used when it is impractical to connect to the utility grid Common standalone systems include PV-powered fans, water pumping systems, portable highway signs, and power ... into the system Stand-alone systems also often incorporate battery storage to run the system under low sun or no sun conditions 3.2.2.1 PV-Powered Fans Perhaps the simplest of all PV systems is...
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power system stability and control chuong (6)
... machine, for damping power system dynamic oscillations [see Power System Stability and Control, Kundur (1994) and Section of title Power System Stability and Control of this handbook.] Various auxiliary ... speed and power output of the turbine generator The governor system includes setpoint and sensing equipment for speed, power and actuator position, compensation circuits, and hydraulic power ... generator brakes, and other systems Cooling water systems, for supply to the generator air coolers, generator and turbine bearings, and step-up transformer Fire detection and extinguishing systems Intake...
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power system stability and control chuong (8)
... DC Auxiliary Power Systems for Generating Stations Switchgear IEEE Standards Collection: Power and Energy-Switchgear, 1998 Edition Auxiliary Transformers IEEE Distribution, Power and Regulating ... Clarke, E., Circuit Analysis of AC Power Systems, General Electric Company, 1961 Stevenson, W.D., Elements of Power Systems Analysis, McGraw-Hill, New York, 1962 Wager, C.F and Evans, R.D., Symmetrical ... Transformers Standards Collection, 1998 Edition Motors IEEE Electric Machinery Standards Collection, 19 97 Edition Cable IEEE 835-1994, IEEE Standard Power Cable Ampacity Tables Electrical Analysis...
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power system stability and control chuong (9)
... by-products of water, carbon dioxide, and heat The DC power can be used directly or it can be fed to a power conditioner and converted to AC power (see Fig 7. 2) DC Current Flow Hydrogen (H2) anode ... experiments later expanded into markets associated with military and commercial aircraft and mobile systems Microturbines are typically defined as systems with an output power rating of between ... possibility of ‘‘islanding’’ a portion of the system Small: Between large and extremely small Extremely small: Generation less than 100 kVA Location on the system and individual system characteristics...
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power system stability and control chuong (10)
... Highvoltage and extra-high-voltage (EHV) transmission lines interconnect power plants and loads, and form an electric network Figure 8.4 shows a typical high-voltage and EHV system This system contains ... References Electric Power Research Institute, Transmission Line Reference Book, 345 kV and Above, Electric Power Research Institute, Palo Alto, CA, 19 87 Fink, D.G and Beaty, H.W., Standard Handbook for ... Impacts upon Power System Operation John G Kappenman 16-1 Introduction Power Grid Damage and Restoration Concerns Weak Link in the Grid: Transformers An Overview of Power System Reliability...
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power system stability and control chuong (11)
... consideration as an International Standard References Carton, T and Peyrot, A., Computer Aided Structural and Geometric Design of Power Lines, IEEE Trans on Power Line Syst., 7( 1), 1992 Dreyfuss, H., Electric ... Valley, Electric Light and Power Magazine, 48(vii), 55–58, 1 971 12 Pohlman, J and Lummis, J., Flexible Structures Offer Broken Wire Integrity at Low Cost, Electric Light and Power, 46(V, 144–148.4), ... highly controversial installations (Pohlman and Harris, 1 971 ) Parents of small children and safety engineers often raise the issue of lattice masts, towers, and guys, constituting an ‘‘attractive...
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power system stability and control chuong (12)
... Areas Level of Contamination System Voltage KV Very light 138 230 345 500 76 5 Light Moderate Heavy 6=6 11=10 16=15 25=22 36=32 8 =7 14=12 21= 17 32= 27 47= 39 9 =7 16=13 24=19 37= 29 53=42 11=8 19=15 29=22 ... Transmission Line Reference Book (345 kV and Above), 2nd ed., EL 2500 Electric Power Research Institute (EPRI), Palo Alto, CA, 19 87 Fink, D.G and Beaty, H.W., Standard Handbook for Electrical Engineers, ... (kV) 69 115 138 230 2 87 345 500 76 5 Number of Standard Insulators 4–6 7 9 8–10 12 15 18 24 30–35 The first insulators were built with bisphenol epoxy resin in the mid1940s and are still used in...
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