geomagnetic disturbances and impacts upon power system operation

... Operation of Electric Power Systems, Academic, New York, 1979 [3] C Gross, Power System Analysis, New York: John Wiley & Sons, 1986 [4] A.J Wood and B Wollenberg, Power Generation Operation and ... approaches, this book contains much hand-on experience for solving power system operation problems I personally wrote my own code and tested the presented algorithms and power system applications Many materials ... system operation problems are nonlinear Thus nonlinear programming (NLP) based techniques can easily handle power system operation problems such as the OPF problems with nonlinear objective and...

Ngày tải lên: 19/08/2014, 12:33

... of keywords 190 Nuclear Power - System Simulations and Operation between the area of “the precautionary principle” and “nuclear power management” shows Figure Nuclear Power generation MOX Fuel ... selection 186 Nuclear Power - System Simulations and Operation Nuclear power generation Items of questionaire survey/group Passive group Active group significance Necessity of Nuclear power generation ... both side of science and technology, such as a benefit and disadvantage of nuclear power generation They thought that nuclear power generation had the merit for energy security and environmental...

Ngày tải lên: 19/06/2014, 12:20

... orders@intechweb.org Nuclear Power - System Simulations and Operation, Edited by Pavel V Tsvetkov p cm ISBN 978-953-307-506-8 Contents Preface IX Chapter Simulation and Simulators for Nuclear Power Generation ... withstand natural disasters and avoid catastrophic consequences This book is one in a series of books on nuclear power published by InTech It consists of ten chapters on system simulations and operational ... all chapters is the system- thinking” approach synthesizing provided information and ideas The book targets everyone with interests in system simulations and nuclear power operational aspects...

Ngày tải lên: 19/06/2014, 13:20

... computer system of the simulator to handle them quickly and correctly Simulation and Simulators for Nuclear Power Generation • Instrumentation and control devices taken from the real power plant ... nodalisation and for the six cooling loops 16 Nuclear Power - System Simulations and Operation This kind of thermo-hydraulic nodalisation provides the following benefits: • During operation on power, ... be tripped, and there are very many equipment- 10 Nuclear Power - System Simulations and Operation specific malfunctions They can be activated promptly, or at a given time instance, and/ or when...

Ngày tải lên: 19/06/2014, 13:20

... operators for nuclear power plants and experiments in neutronic and thermal hydraulic Fig A1 Core upper view and pool of the IPR-R1 TRIGA 32 Nuclear Power - System Simulations and Operation The IPR-R1 ... dynamics (CFD) and structural analysis (IAEA, 2008) Each of these topics are being explained with some more details and exemplified next 26 Nuclear Power - System Simulations and Operation 3.1 ... RELAP5 code and the General Monte Carlo N-Particle Transport code (MCNP), for the TRIGA IPR-R1 research reactor in Brazil are also presented 22 Nuclear Power - System Simulations and Operation...

Ngày tải lên: 19/06/2014, 13:20

... Experimental and calculated results at 100 kW of power operation Figures B5 and B6 show the RELAP5 calculation for the inlet and outlet temperature for the TH channel 1, at 50 and 100 kW of power, ... heated and had uniform axial and radial profiles Three tests were used for 48 Nuclear Power - System Simulations and Operation assessment the CHF calculation, which include tests 3.07.9B, 3.07.9N and ... Nuclear Power - System Simulations and Operation and the RELAP5-3D has been successfully modified to fulfill the associated requirements It was also demonstrated that all the phases of both LBLOCA and...

Ngày tải lên: 19/06/2014, 13:20

... RELAP5-3D/K against LBLOCA experiments 54 Nuclear Power - System Simulations and Operation from both LOFT and Semi-scale was summarized in Table and the conservative trend is shown in Figure 17 ... determination of power shape, the traditional bounding shape will be relaxed by sampling realistic operating shapes Each 60 Nuclear Power - System Simulations and Operation operating power shape can ... plant modeling Fig 21 PCT safety margins calculated by BE and appendix K LOCA methodologies 58 Nuclear Power - System Simulations and Operation To statistically consider the plant status uncertainties,...

Ngày tải lên: 19/06/2014, 13:20

... 70 Nuclear Power - System Simulations and Operation • A fault – is a defect within the system • An error – is a deviation from the required operation of the system or subsystem • A system failure ... strncmp x Compare two strings Table Analysed system and library calls 78 Nuclear Power - System Simulations and Operation 4.1 Applying the analysis Each system and library function of the IDATP module ... operating system and its resources These include the system call interface, signals, and traps and faults, with arrows indicating the interactions Source code of a program System call Return Signal System...

Ngày tải lên: 19/06/2014, 13:20

... variables 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 ... of 20th IEEE Symposium on Reliable and Distributed Systems, pp 152-161, New Orleans, LA, USA, October 23-31, 2001 86 Nuclear Power - System Simulations and Operation Johansson, A.; Suri, N & ... plant availability 88 Nuclear Power - System Simulations and Operation Safety Reports from International Atomic Energy Agency (IAEA) and specially (IAEA, 2002) and (IAEA, 2006) are strongly related...

Ngày tải lên: 19/06/2014, 13:20

... coupled with the system code CATHARE and CRONOS2, a 3D neutronics code for computation of a BWR turbine trip, Mignot et al 108 Nuclear Power - System Simulations and Operation No Title and authors ... control rods, burnable and non-burnable poison rods) and channels (including central guide channel, measuring channel) were carried out 104 Nuclear Power - System Simulations and Operation using the ... of off-site power, the reactor and the turbine tripped and natural circulation was established Later on, off-site power was recovered and operators brought the plant to Hot Zero Power (HZP) The...

Ngày tải lên: 19/06/2014, 13:20

... water (moderation) and the neutron spectrum and subsequently the power distribution, a coupling of neutronics and thermal-hydraulics has 116 Nuclear Power - System Simulations and Operation Coupling ... Nuclear Power - System Simulations and Operation It should be noted that the technology of ANNs has been still developing The determination of minimum number of necessary hidden neurons and hidden ... Nuclear Power - System Simulations and Operation 5.2 Cascade feed forward neural networks A general type of feed-forward ANNs consists of a layer of inputs, a layer of output neurons, and one...

Ngày tải lên: 19/06/2014, 13:20

... simulated variation of 135Xe specific activity with time for step and ramp power transients 132 Nuclear Power - System Simulations and Operation 5.3 Fission product activity under pump coast-down ... 3.03×1010 Po (MWth) 998 τ 0.056 Table Values of different operational parameters used in simulations [37] 128 Nuclear Power - System Simulations and Operation 3.1 Deterministic computational methodology ... F ,i + ∑ j − f ij λ j N G , j − [ λi + Dєi + σ iφ ] N G ,i (2) 126 Nuclear Power - System Simulations and Operation and, for the coolant region: dNC , i dt η L ⎤ i −1 ⎡ = Dєi N G ,i + ∑ j −...

Ngày tải lên: 19/06/2014, 13:20

... friction and heat transfer The capability of constitutive equations and the way how they are used has to be carefully examined (Hänninen & Kurki, 2008) 142 Nuclear Power - System Simulations and Operation ... Nspc about stand for 148 Nuclear Power - System Simulations and Operation density instabilities As an example, two calculation results obtained with APROS have been shown in Figures and In Figure ... Nuclear Power - System Simulations and Operation on Structural Mechanics in Reactor Technology (SMiRT 20), Espoo, Finland, August -14, 2009, SMiRT 20 – Division X, Paper 3164 J Kurki and M Hänninen,...

Ngày tải lên: 19/06/2014, 13:20

... in PIPESTRESS for fatigue evaluation, Eqs.(12), (13) and (14) will be evaluated together and, at 160 Nuclear Power - System Simulations and Operation the same time, a updated cumulative factor ... happens for all load conditions, see below 166 Nuclear Power - System Simulations and Operation Level A and B The design requirements for Levels A and B are given in a badly formulated text In particular, ... (1) and (2) must also be verified for all load sets which are designated in Service limit Level B, see Section 3.3 When computing the cumulative 158 Nuclear Power - System Simulations and Operation...

Ngày tải lên: 19/06/2014, 13:20

... PressureVessels, Piping and Components – Design and Analysis, ASME PVP, Vol 107, 1986 174 Nuclear Power - System Simulations and Operation Jansson, L G (1995) Non-linear analysis of a guide and its stitch ... heuristic decision making 176 Nuclear Power - System Simulations and Operation Method and result of analysis First, the author gave lectures on the risk perception and desirable autonomous ideas in ... 167 total Table Theme of lectures and the number of submitted keywords at every lecture 178 Nuclear Power - System Simulations and Operation lecture on Nuclear Power generation Friburg （ the name...

Ngày tải lên: 19/06/2014, 13:20

... operators for nuclear power plants and experiments in neutronic and thermal hydraulic Fig A1 Core upper view and pool of the IPR-R1 TRIGA 32 Nuclear Power - System Simulations and Operation The IPR-R1 ... dynamics (CFD) and structural analysis (IAEA, 2008) Each of these topics are being explained with some more details and exemplified next 26 Nuclear Power - System Simulations and Operation 3.1 ... RELAP5 code and the General Monte Carlo N-Particle Transport code (MCNP), for the TRIGA IPR-R1 research reactor in Brazil are also presented 22 Nuclear Power - System Simulations and Operation...

Ngày tải lên: 19/06/2014, 15:20

... RELAP5-3D/K against LBLOCA experiments 54 Nuclear Power - System Simulations and Operation from both LOFT and Semi-scale was summarized in Table and the conservative trend is shown in Figure 17 ... determination of power shape, the traditional bounding shape will be relaxed by sampling realistic operating shapes Each 60 Nuclear Power - System Simulations and Operation operating power shape can ... plant modeling Fig 21 PCT safety margins calculated by BE and appendix K LOCA methodologies 58 Nuclear Power - System Simulations and Operation To statistically consider the plant status uncertainties,...

Ngày tải lên: 19/06/2014, 15:20

... 70 Nuclear Power - System Simulations and Operation • A fault – is a defect within the system • An error – is a deviation from the required operation of the system or subsystem • A system failure ... strncmp x Compare two strings Table Analysed system and library calls 78 Nuclear Power - System Simulations and Operation 4.1 Applying the analysis Each system and library function of the IDATP module ... operating system and its resources These include the system call interface, signals, and traps and faults, with arrows indicating the interactions Source code of a program System call Return Signal System...

Ngày tải lên: 19/06/2014, 15:20

... variables 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 ... of 20th IEEE Symposium on Reliable and Distributed Systems, pp 152-161, New Orleans, LA, USA, October 23-31, 2001 86 Nuclear Power - System Simulations and Operation Johansson, A.; Suri, N & ... plant availability 88 Nuclear Power - System Simulations and Operation Safety Reports from International Atomic Energy Agency (IAEA) and specially (IAEA, 2002) and (IAEA, 2006) are strongly related...

Ngày tải lên: 19/06/2014, 15:20