Relevant bibliographies by topics / Newton-Raphson Power Flow (NRPF) method

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Academic literature on the topic 'Newton-Raphson Power Flow (NRPF) method'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Newton-Raphson Power Flow (NRPF) method"

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Li, Yahui, Yang Li, and Yuanyuan Sun. "Online Static Security Assessment of Power Systems Based on Lasso Algorithm." Applied Sciences 8, no. 9 (2018): 1442. http://dx.doi.org/10.3390/app8091442.

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As one important means of ensuring secure operation in a power system, the contingency selection and ranking methods need to be more rapid and accurate. A novel method-based least absolute shrinkage and selection operator (Lasso) algorithm is proposed in this paper to apply to online static security assessment (OSSA). The assessment is based on a security index, which is applied to select and screen contingencies. Firstly, the multi-step adaptive Lasso (MSA-Lasso) regression algorithm is introduced based on the regression algorithm, whose predictive performance has an advantage. Then, an OSSA
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Adetona, S., M. Iyayi, and R. Salawu. "Optimal Location of IPFC That Handles Operating Constraints for Reducing Transmission Lines Utilization Levels in Electric Power Grid." Engineering and Technology Research Journal 6, no. 2 (2021): 31–39. http://dx.doi.org/10.47545/etrj.2021.6.2.082.

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The day-to-day increase in electric energy demand with increasing population and urbanization is causing transmission facilities to transfer load at their upper limits; therefore, the probability of failures of these facilities increases. One of the ways of mitigating failures is by constructing more transmission lines; which would serve as alternatives to reduce the transmission line utilization levels (TLUL). However, there are constraints in adopting this method; therefore, the use of Interline Power Flow Controller (IPFC) has been suggested by many researchers; but very few of these studie
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Uche, Engr Obi, Fortunatus, Aghara, Jachimma, and Prof Atuchukwu John. "Shunt Compensaton of the Integrated Nigeria’s 330KV Transimission Grid System." Volume 5 - 2020, Issue 9 - September 5, no. 9 (2020): 537–40. http://dx.doi.org/10.38124/ijisrt20sep230.

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The Nigerian Power system is complex and dynamic, as a result of this it is characterized by frequent faults and outages resulting to none steady supply of power to the teaming consumers. This has great effect on the activities and mode of living of Nigerians. The research work was carried out on contingency analysis on the existing integrated 330KV Nigeria grid system and to carry out a shunt compensation on the violated buses, the shutdown of Eket-Ibom line being the case study so as to determine the following; uncertainties and effects of changes in the power system, to recognize limitation
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Kulworawanichpong, Thanatchai. "Simplified Newton–Raphson power-flow solution method." International Journal of Electrical Power & Energy Systems 32, no. 6 (2010): 551–58. http://dx.doi.org/10.1016/j.ijepes.2009.11.011.

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Tien Tay, Lea, William Ong Chew Fen, and Lilik Jamilatul Awalin. "Improved newton-raphson with schur complement methods for load flow analysis." Indonesian Journal of Electrical Engineering and Computer Science 16, no. 2 (2019): 699. http://dx.doi.org/10.11591/ijeecs.v16.i2.pp699-605.

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<p>The determination of power and voltage in the power load flow for the purpose of design and operation of the power system is very crucial in the assessment of actual or predicted generation and load conditions. The load flow studies are of the utmost importance and the analysis has been carried out by computer programming to obtain accurate results within a very short period through a simple and convenient way. In this paper, Newton-Raphson method which is the most common, widely-used and reliable algorithm of load flow analysis is further revised and modified to improve the speed and
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Hlaing, Ya Min Su, and Ze Ya Aung. "Performance Analysis on Transmission Line for Improvement of Load Flow." Advanced Materials Research 433-440 (January 2012): 7208–12. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.7208.

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This thesis implements power flow application, Newton-Raphson method. The Newton-Raphson method is mainly employed in the solution of power flow problems. The network of Myanma electric power system is used as the reference case. The system network contains 90 buses and 106 brunches. The weak points are found in the network by using Newton-Raphson method. Bus 16, 17, 85 and 86 have the most weak bus voltages. The medium transmission line between bus 87 and bus 17 is compensated by using MATLAB program software. The transmission line is compensated with shunt reactors, series and shunt capacito
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Huang, Yue Hua, Bing Sen Xu, Yu Huan Jiang, and Yan Zou. "Another Method for the Polar Coordinates Newton Raphson Power Flow Calculation." Applied Mechanics and Materials 701-702 (December 2014): 227–30. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.227.

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With the development of the society, the power system flow calculation becomes more important. Another new method for the polar coordinates Newton Raphson power flow calculation was proposed according to the power system operating characteristics. This research eliminated the vacant of the Jacobian matrix completely, reduced the amount of computer memory requirements greatly and also canceled the inversion completely.
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Maharana, M. K., and Samrat Malakar. "Sensitivity Based Network Contingency Ranking Using Newton Raphson Power Flow Method." International Journal of Scientific Engineering and Technology 4, no. 2 (2015): 45–49. http://dx.doi.org/10.17950/ijset/v4s2/204.

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Le Nguyen, H. "Newton-Raphson method in complex form [power system load flow analysis]." IEEE Transactions on Power Systems 12, no. 3 (1997): 1355–59. http://dx.doi.org/10.1109/59.630481.

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Rao, B. Venkateswara, G. V. Nagesh Kumar, R. V. S. Lakshmi Kumari, and M. Vinay Kumar. "Improvement of Power System Security under Network Contingency with Static VAR Compensator." Advanced Materials Research 403-408 (November 2011): 2073–78. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.2073.

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SVC is incorporated in Newton Raphson method in which Power Flow Solution is a solution of the network under normal operation as well as network contingency, the model of SVC i.e. SVC Susceptance Model is discussed. Newton Raphson Power flow method has been developed for the steady behavior of large complex power systems, it allows the study of power flow under abnormal conditions as well as normal conditions. It is shown that how the system power losses are decreased after incorporating the SVC in this model. It is also shown that how the SVC is useful in network contingency. The results are
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Dissertations / Theses on the topic "Newton-Raphson Power Flow (NRPF) method"

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Bokka, Naveen. "Comparison of Power Flow Algorithms for inclusion in On-line Power Systems Operation Tools." ScholarWorks@UNO, 2010. http://scholarworks.uno.edu/td/1237.

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The goal of this thesis is to develop a new, fast, adaptive load flow algorithm that "automatically alternates" numerical methods including Newton-Raphson method, Gauss-Seidel method and Gauss method for a load flow run to achieve less run time. Unlike the proposed method, the traditional load flow analysis uses only one numerical method at a time. This adaptive algorithm performs all the computation for finding the bus voltage angles and magnitudes, real and reactive powers for the given generation and load values, while keeping track of the proximity to convergence of a solution. This work f
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D'Orto, Manolo. "Comparing Different Approaches for Solving Large Scale Power Flow Problems on the CPU and GPU with the Newton-Raphson Method." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-289369.

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Power system modelling is increasing in importance. It is vital for power system operations and transmission grid expansions, and therefore the future energy transition. The Swedish power system is under fast development to face the progress of more flexible demand, a higher share of distributed renewable sources, and updated capacities. In order to ensure the power system’s secure physical capacities on a real-time basis in the future, the power system models must be able to handle this increased complexity. Hence, more efficient modelling and reduced computational time are necessary in order
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Pontes, Rafael de Paiva. "Nova metodologia full Newton para consideração dos limites de geração de potência reativa no problema de fluxo de potência." Universidade Federal de Juiz de Fora (UFJF), 2018. https://repositorio.ufjf.br/jspui/handle/ufjf/6933.

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Submitted by Geandra Rodrigues (geandrar@gmail.com) on 2018-07-04T15:02:14Z No. of bitstreams: 1 rafaeldepaivapontes.pdf: 2283859 bytes, checksum: b3ed61e125a30bbe054bb3183741ad41 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2018-07-06T14:23:02Z (GMT) No. of bitstreams: 1 rafaeldepaivapontes.pdf: 2283859 bytes, checksum: b3ed61e125a30bbe054bb3183741ad41 (MD5)<br>Made available in DSpace on 2018-07-06T14:23:02Z (GMT). No. of bitstreams: 1 rafaeldepaivapontes.pdf: 2283859 bytes, checksum: b3ed61e125a30bbe054bb3183741ad41 (MD5) Previous issue da
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Muhammed, Elssodani Abdelhadi. "HIGH VOLTAGE AC-DC LOAD FLOW IN ELECTRICAL POWER NETWORKS." Thesis, 2014. http://hdl.handle.net/10222/50521.

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Power losses in the grid are important, and as the power losses decrease the efficiency increases. Not much research has been done recently on the Newton-Raphson Power Flow (NRPF) method in polar form for systems with High Voltage Direct Current (HVDC) subsystems. The point of departure for this thesis is based on decoupling the NR Power Flow method Power flow problems are solved for many fundamental problems in the operation and planning of the power system. Although many methods are available to solve these problems, this thesis focuses on developing an enhanced HVDC power flow method with i
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Yan, Wenjin. "A Novel Power Flow Method for Long Term Frequency Stability Analysis." Thesis, 2013. http://hdl.handle.net/1969.1/149592.

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This thesis presents a novel approach for a power system to find a practical power flow solution when all the generators in the system have hit their real power output limits, such as some generator units shutting down or load outages. The approach assumes the frequency of the system is unable to be kept at the rated value (usually 60 or 50 Hz) and accordingly, the generator real power outputs are affected by the system frequency deviation. The modification aims to include the system frequency deviation as a new state variable in the power flow so that the power system can be described in a m
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Santosh, Kumar A. "Voltage Stability Analysis of Unbalanced Power Systems." Thesis, 2016. http://hdl.handle.net/2005/3065.

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The modern day power system is witnessing a tremendous change. There has been a rapid rise in the distributed generation, along with this the deregulation has resulted in a more complex system. The power demand is on a rise, the generation and trans-mission infrastructure hasn't yet adapted to this growing demand. The economic and operational constraints have forced the system to be operated close to its design limits, making the system vulnerable to disturbances and possible grid failure. This makes the study of voltage stability of the system important more than ever. Generally, voltage stab
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Books on the topic "Newton-Raphson Power Flow (NRPF) method"

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Flexible AC Transmission Systems: Newton Power-Flow Modelling of Voltage-Sourced Converter Based Controllers. Taylor & Francis Group, 2016.

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Book chapters on the topic "Newton-Raphson Power Flow (NRPF) method"

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Bhowmick, Suman. "Introduction to the Newton—Raphson Method and the Power Flow Problem." In Flexible AC Transmission Systems (FACTS). CRC Press, 2018. http://dx.doi.org/10.1201/9781315222431-2.

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"Introduction to the Newton–Raphson Method and the Power Flow Problem." In Flexible AC Transmission Systems (FACTS). CRC Press, 2016. http://dx.doi.org/10.1201/b19739-3.

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Rao, Gummadi Srinivasa, Y. P. Obulesh, and B. Venkateswara Rao. "Enrichment of Distribution System Stability Through Artificial Bee Colony Algorithm and Artificial Neural Network." In Handbook of Research on Smart Power System Operation and Control. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8030-0.ch002.

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In this chapter, an amalgamation of artificial bee colony (ABC) algorithm and artificial neural network (ANN) approach is recommended for optimizing the location and capacity of distribution generations (DGs) in distribution network. The best doable place in the network has been approximated using ABC algorithm by means of the voltage deviation, power loss, and real power deviation of load buses and the DG capacity is approximated by using ANN. In this, single DG and two DGs have been considered for calculation of doable place in the network and capacity of the DGs to progress the voltage stability and reduce the power loss of the system. The power flow of the system is analyzed using iterative method (The Newton-Raphson load flow study) from which the bus voltages, active power, reactive power, power loss, and voltage deviations of the system have been achieved. The proposed method is tested in MATLAB, and the results are compared with particle swarm optimization (PSO) algorithm, ANN, and hybrid PSO and ANN methods for effectiveness of the proposed system.
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Rao, Gummadi Srinivasa, Y. P. Obulesh, and B. Venkateswara Rao. "Enrichment of Distribution System Stability Through Artificial Bee Colony Algorithm and Artificial Neural Network." In Research Anthology on Artificial Neural Network Applications. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-6684-2408-7.ch034.

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In this chapter, an amalgamation of artificial bee colony (ABC) algorithm and artificial neural network (ANN) approach is recommended for optimizing the location and capacity of distribution generations (DGs) in distribution network. The best doable place in the network has been approximated using ABC algorithm by means of the voltage deviation, power loss, and real power deviation of load buses and the DG capacity is approximated by using ANN. In this, single DG and two DGs have been considered for calculation of doable place in the network and capacity of the DGs to progress the voltage stability and reduce the power loss of the system. The power flow of the system is analyzed using iterative method (The Newton-Raphson load flow study) from which the bus voltages, active power, reactive power, power loss, and voltage deviations of the system have been achieved. The proposed method is tested in MATLAB, and the results are compared with particle swarm optimization (PSO) algorithm, ANN, and hybrid PSO and ANN methods for effectiveness of the proposed system.
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Pires, Robson. "Solution Methods of Large Complex-Valued Nonlinear System of Equations." In Advances in Complex Analysis and Applications. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.92741.

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Nonlinear systems of equations in complex plane are frequently encountered in applied mathematics, e.g., power systems, signal processing, control theory, neural networks, and biomedicine, to name a few. The solution of these problems often requires a first- or second-order approximation of nonlinear functions to generate a new step or descent direction to meet the solution iteratively. However, such methods cannot be applied to functions of complex and complex conjugate variables because they are necessarily nonanalytic. To overcome this problem, the Wirtinger calculus allows an expansion of nonlinear functions in its original complex and complex conjugate variables once they are analytic in their argument as a whole. Thus, the goal is to apply this methodology for solving nonlinear systems of equations emerged from applications in the industry. For instances, the complex-valued Jacobian matrix emerged from the power flow analysis model which is solved by Newton-Raphson method can be exactly determined. Similarly, overdetermined Jacobian matrices can be dealt, e.g., through the Gauss-Newton method in complex plane aimed to solve power system state estimation problems. Finally, the factorization method of the aforementioned Jacobian matrices is addressed through the fast Givens transformation algorithm which means the square root-free Givens rotations method in complex plane.
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Jabari, Farkhondeh, Heresh Seyedia, Sajad Najafi Ravadanegh, and Behnam Mohammadi Ivatloo. "Stochastic Contingency Analysis Based on Voltage Stability Assessment in Islanded Power System Considering Load Uncertainty Using MCS and k-PEM." In Advances in Computer and Electrical Engineering. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9911-3.ch002.

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Increased electricity demands and economic operation of large power systems in a deregulated environment with a limited investment in transmission expansion planning causes interconnected power grids to be operated closer to their stability limits. Meanwhile, the loads uncertainty will affect the static and dynamic stabilities. Therefore, if there is no emergency corrective control in time, occurrence of wide area contingency may lead to the catastrophic cascading outages. Studies show that many wide area blackouts which led to massive economic losses may have been prevented by a fast feasible controlled islanding decision making. This chapter introduces a novel computationally efficient approach for separating of bulk power system into several stable sections following a severe disturbance. The splitting strategy reduces the large initial search space to an interface boundary network considering coherency of synchronous generators and network graph simplification. Then, a novel islanding scenario generator algorithm denoted as BEM (Backward Elimination Method) based on PMEAs (Primary Maximum Expansion Areas) has been applied to generate all proper islanding solutions in the simplified network graph. The PPF (Probabilistic Power Flow) based on Newton-Raphson method and Q-V modal analysis has been used to evaluate the steady-state stability of created islands in each generated scenario. BICA (Binary Imperialistic Competitive Algorithm) has then been applied to minimize total load-generation mismatch considering integrity, voltage permitted range and steady-state voltage stability constraints. The best solution has then been applied to split the entire power network. A novel stochastic contingency analysis of islands based on PSVI (Probability of Static Voltage Instability) using MCS (Monte Carlo Simulation) and k-PEM (k-Point Estimate Method) have been proposed to identify the critical PQ buses and severe contingencies. In these approaches, the ITM (Inverse Transform Method) has been used to model uncertain loads with normal probability distribution function in optimal islanded power system. The robustness, effectiveness and capability of the proposed approaches have been validated on the New England 39-bus standard power system.
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Conference papers on the topic "Newton-Raphson Power Flow (NRPF) method"

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Li, Yan, Yulei Luo, Buhan Zhang, and Chengxiong Mao. "A Modified Newton-Raphson Power Flow Method Considering Wind Power." In 2011 Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2011. http://dx.doi.org/10.1109/appeec.2011.5748520.

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Sekhar, Pudi, and Sanjeeb Mohanty. "Power system contingency ranking using Newton Raphson load flow method." In 2013 Annual IEEE India Conference (INDICON). IEEE, 2013. http://dx.doi.org/10.1109/indcon.2013.6725912.

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Abokrisha, Mohamed, Ahmed Diaa, Ali Selim, and Salah Kamel. "Development of newton-raphson power-flow method based on second order multiplier." In 2017 Nineteenth International Middle East Power Systems Conference (MEPCON). IEEE, 2017. http://dx.doi.org/10.1109/mepcon.2017.8301299.

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Lagace, P. J., M. H. Vuong, and I. Kamwa. "Improving power flow convergence by Newton Raphson with a Levenberg-Marquardt method." In Energy Society General Meeting. IEEE, 2008. http://dx.doi.org/10.1109/pes.2008.4596138.

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Pazderin, Andrey, and Sergey Yuferev. "Power flow calculation by combination of Newton-Raphson method and Newton's method in optimization." In IECON 2009 - 35th Annual Conference of IEEE Industrial Electronics (IECON). IEEE, 2009. http://dx.doi.org/10.1109/iecon.2009.5414826.

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Hui Yang, Fushuan Wen, and Liping Wang. "Newton-Raphson on power flow algorithm and Broyden Method in the distribution system." In 2008 IEEE 2nd International Power and Energy Conference (PECon). IEEE, 2008. http://dx.doi.org/10.1109/pecon.2008.4762737.

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Liu, Yitong, and Zhengshuo Li. "A Modified Newton-Raphson Method for Hybrid AC/DC Microgrids Power Flow Analysis." In 2020 IEEE Student Conference on Electric Machines and Systems (SCEMS). IEEE, 2020. http://dx.doi.org/10.1109/scems48876.2020.9352275.

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Mohamad, Hasmaini, Zuhaina Zakaria, and Muhamad Zulfakri Bin Mazlan. "Development of GUI Power System Load Flow Analysis tool based on Newton Raphson method." In 2015 IEEE 7th International Conference on Engineering Education (ICEED). IEEE, 2015. http://dx.doi.org/10.1109/iceed.2015.7451487.

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Hossain, Md Razuan, M. Shamim Kaiser, Fahmid Iftekher Ali, and Md Monjurul Alam Rizvi. "Network flow optimization by Genetic Algorithm and load flow analysis by Newton Raphson method in power system." In 2015 International Conference on Electrical Engineering and Information Communication Technology (ICEEICT). IEEE, 2015. http://dx.doi.org/10.1109/iceeict.2015.7307388.

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Rao, P. S. Nagendra, and Lakshmi Sundaresh. "Nonlinear complementarity formulation for including generator Q limits directly into the Newton Raphson load flow method." In 2014 Eighteenth National Power Systems Conference (NPSC). IEEE, 2014. http://dx.doi.org/10.1109/npsc.2014.7103829.

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