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Author: Tengran Sun Publisher: ISBN: Category : Languages : en Pages : 50
Book Description
The main purpose of power system reliability assessment is to quantify the reliability level of power system, then function as a guide to system planning and operation. Due to the random behavior of wind power generation and the intermittency associated with it, this type power generation is difficult to control and predict. With the increase of wind turbine capacity and wind farm scale, it is necessary to study the how the reliability will change within the generation and transmission system with largescale wind farm integration, and comprehensively evaluate the contribution of wind power. This report is going to presenting a study of the reliability of bulk power system with large scale wind farms integration by using sequential Monte-Carlo simulation. In this project, the sequential Monte-Carlo simulation method is presented to evaluate the reliability model of generation and transmission systems with wind farms, and the reliability indices of the wind power integration in power system is also calculated. MATLAB software is used in developing the required code for the project. The study is performed on IEEE-RTS79 test system along with wind farm model. Finally, by comparing the different integration schemes of wind farms, the reliability of generation and transmission systems integrated with largescale wind farms will be evaluated. The referenced papers, books and online links are the main source of data, and there are also some empirical values used in this project. Simulations and results are presented using MATLAB. The proposed calculation method uses sequential Monte-Carlo simulation to evaluate the reliability of the bulk power system with wind farm integration. Models of generation and transmission system and the wind farm along with the different connection solutions are discussed. With the available wind farm topology, this research focuses on the program in MATLAB to evaluating the system reliability and comparing with different integration solutions.
Author: Tengran Sun Publisher: ISBN: Category : Languages : en Pages : 50
Book Description
The main purpose of power system reliability assessment is to quantify the reliability level of power system, then function as a guide to system planning and operation. Due to the random behavior of wind power generation and the intermittency associated with it, this type power generation is difficult to control and predict. With the increase of wind turbine capacity and wind farm scale, it is necessary to study the how the reliability will change within the generation and transmission system with largescale wind farm integration, and comprehensively evaluate the contribution of wind power. This report is going to presenting a study of the reliability of bulk power system with large scale wind farms integration by using sequential Monte-Carlo simulation. In this project, the sequential Monte-Carlo simulation method is presented to evaluate the reliability model of generation and transmission systems with wind farms, and the reliability indices of the wind power integration in power system is also calculated. MATLAB software is used in developing the required code for the project. The study is performed on IEEE-RTS79 test system along with wind farm model. Finally, by comparing the different integration schemes of wind farms, the reliability of generation and transmission systems integrated with largescale wind farms will be evaluated. The referenced papers, books and online links are the main source of data, and there are also some empirical values used in this project. Simulations and results are presented using MATLAB. The proposed calculation method uses sequential Monte-Carlo simulation to evaluate the reliability of the bulk power system with wind farm integration. Models of generation and transmission system and the wind farm along with the different connection solutions are discussed. With the available wind farm topology, this research focuses on the program in MATLAB to evaluating the system reliability and comparing with different integration solutions.
Author: Roy Billinton Publisher: Springer Science & Business Media ISBN: 8132209877 Category : Business & Economics Languages : en Pages : 138
Book Description
The world is witnessing a rapid growth in wind and other renewable based electricity generation due to environmental concerns associated with electricity generation from the conventional sources. Wind power behaves quite differently than conventional electric power generating units due to its intermittent and diffuse nature. System planners and operators face the variability and uncertainty of wind power availability, and therefore, encounter considerable challenges in making decisions to maintain the adequacy and security of wind integrated power systems. This volume intends to bring out the original research work of researchers from academia and industry in understanding, quantifying and managing the risks associated with the uncertainty in wind variability in order to plan and operate a modern power system integrated with a significant proportion of wind power generation with an acceptable level of reliability. Accurate modeling of wind power variability and proper incorporation of the models in reliability and risk evaluation is very important for the planning and operation of electric power systems, and will play a crucial role in defining the requirement of various types of resources and services, such as storage and ancillary services in power systems.
Author: R. K. Saket Publisher: John Wiley & Sons ISBN: 1394226748 Category : Technology & Engineering Languages : en Pages : 581
Book Description
A reader-friendly introduction to reliability analysis and its power systems applications The subset of probability theory known as reliability theory analyzes the likelihood of failure in a given component or system under given conditions. It is a critical aspect of engineering as it concerns systems of all kinds, not least modern power systems, with their essential role in sustaining the technologies on which modern life relies. Reliability Analysis of Modern Power Systems is a thorough, accessible book introducing the core concepts of reliability theory as they apply to power systems engineering, as well as the advanced technologies currently driving new frontiers in reliability analysis. It is a must-own for anyone looking to understand and improve the systems that power our world. Readers will also find: Detailed discussion of reliability modeling and simulation of composite systems using Typhoon HIL 404 Reliability assessment of generation systems, transmission systems, distribution systems, and more Information on renewable energy integration for more sustainable power grids Reliability Analysis of Modern Power Systems is ideal for professionals, engineers, and researchers in power system design and reliability engineering, as well as for advanced undergraduate and graduate students in these and related subjects.
Author: Gastón Orlando Suvire Publisher: BoD – Books on Demand ISBN: 9533074671 Category : Technology & Engineering Languages : en Pages : 346
Book Description
During the last two decades, increase in electricity demand and environmental concern resulted in fast growth of power production from renewable sources. Wind power is one of the most efficient alternatives. Due to rapid development of wind turbine technology and increasing size of wind farms, wind power plays a significant part in the power production in some countries. However, fundamental differences exist between conventional thermal, hydro, and nuclear generation and wind power, such as different generation systems and the difficulty in controlling the primary movement of a wind turbine, due to the wind and its random fluctuations. These differences are reflected in the specific interaction of wind turbines with the power system. This book addresses a wide variety of issues regarding the integration of wind farms in power systems. The book contains 14 chapters divided into three parts. The first part outlines aspects related to the impact of the wind power generation on the electric system. In the second part, alternatives to mitigate problems of the wind farm integration are presented. Finally, the third part covers issues of modeling and simulation of wind power system.
Author: Fun Shao Publisher: CRC Press ISBN: 1315737515 Category : Technology & Engineering Languages : en Pages : 347
Book Description
Engineering Technology and Applications contains the contributions presented at the 2014 International Conference on Engineering Technology and Applications (ICETA 2014, Tsingtao, China, 29-30 April 2014). The book is divided into three main topics: Civil and environmental engineering Electrical and computer engineering Mechanical engineeringCon
Author: Roy Billinton Publisher: Springer ISBN: 9788132209881 Category : Business & Economics Languages : en Pages : 128
Book Description
The world is witnessing a rapid growth in wind and other renewable based electricity generation due to environmental concerns associated with electricity generation from the conventional sources. Wind power behaves quite differently than conventional electric power generating units due to its intermittent and diffuse nature. System planners and operators face the variability and uncertainty of wind power availability, and therefore, encounter considerable challenges in making decisions to maintain the adequacy and security of wind integrated power systems. This volume intends to bring out the original research work of researchers from academia and industry in understanding, quantifying and managing the risks associated with the uncertainty in wind variability in order to plan and operate a modern power system integrated with a significant proportion of wind power generation with an acceptable level of reliability. Accurate modeling of wind power variability and proper incorporation of the models in reliability and risk evaluation is very important for the planning and operation of electric power systems, and will play a crucial role in defining the requirement of various types of resources and services, such as storage and ancillary services in power systems.
Author: George Anders Publisher: Springer Science & Business Media ISBN: 0857290886 Category : Technology & Engineering Languages : en Pages : 373
Book Description
Electrical grids are, in general, among the most reliable systems in the world. These large interconnected systems, however, are subject to a host of challenges - aging infrastructure, transmission expansion to meet growing demand, distributed resources, and congestion management, among others. Innovations in Power Systems Reliability aims to provide a vision for a comprehensive and systematic approach to meet the challenges of modern power systems. Innovations in Power Systems Reliability is focused on the emerging technologies and methodologies for the enhancement of electrical power systems reliability. It addresses many relevant topics in this area, ranging from methods for balancing resources to various reliability and security aspects. Innovations in Power Systems Reliability not only discusses technological breakthroughs and sets out roadmaps in implementing the technology, but it also informs the reader about current best practice. It is a valuable source of information for academic researchers, as well as those working in industrial research and development.
Author: Waqar A Qureshi Publisher: ISBN: Category : Electric power failures Languages : en Pages : 156
Book Description
Increased penetration of wind generation into high voltage transmission systems necessitates the development of grid integration standards. Wind farms during normal system operation have been well assessed for impacts like forecasting, reliability, power quality, and transient stability following its large scale integration. Fault responses and protection schemes are currently not standardized and neither following consistent practices for existing wind farms which provides research opportunities. This is because different wind generation technologies exhibit diverse dynamic characteristics following grid disturbances, compared to synchronous generators. In this research, wind farms are illustrative of increasing influence of renewable on grids with several large scale deployments being integrated with transmission networks. The New Zealand (NZ) grid has been used in this thesis to develop methodology for ride-through criteria. During abnormal operations, ride-through requirement is prerequisite to handle large grid disturbance. Network characteristics and their interaction with available wind technologies also impact dynamic behaviour. One of the most important integration criteria for large wind farms are Fault Ride-through (FRT). Development of the FRT voltage envelope depends on transmission network characteristics along with considerations like contingency and existing protective relay settings. The first objective utilises the real New Zealand North Island network diagrams and data to test the proposed methodology, and summarise the results. Finally proposed actual voltage ride-through criteria for New Zealand grids (North and South Islands) are also presented with international benchmarking. To address the second objective, Type-1, Type-2 and Type-3 machines are modelled and connected to the same Point of Common Coupling (PCC). Large scale grid disturbance scenarios are created and identical faults are exposed to individual wind farm type. Fault current dynamics of wind farm type are then recorded from simulations and assessed for protection schemes like over-current, distance and differential. These responses are then compared from a protection relay operation viewpoint to assess the protection performance for the various Wind Turbine Generator (WTG) technologies. The third research objective explores an important aspect for fault level estimation that is sequence network equivalence. Realistic fault impedances can be used to estimate fault current levels without including the whole model of wind farms for the purpose of simplified analyses. It is known that dynamic fault impedance, or short-circuit impedance of convertor based wind farm cannot be directly evaluated through conventional methods without explicitly factoring internal machine control actions. The dynamic fault impedance of machine with positive sequence control is hard to standardize. A case study involving a DFIG (Doubly Fed Induction Generator) based wind farm having multiple units, is developed and utilise to record fault data in case of unsymmetrical faults. The data obtained is thereafter used to evaluate sequence impedance values for that wind farm during the fault period. Results obtained from analysis reveal that it is possible to estimate dynamic value of impedance of the WTG during fault factoring its internal control action The systematic development of FRT criteria proposed in this thesis provides a consistent pathway for any transmission utility to identify the important parameters and procedure required to assess and develop FRT. Fault current responses from WTGs, another outcome of this research, is useful for providing guidelines for relay manufacturers and transmission engineers to deal with protection performance issues. The proposed sequence network equivalent method proposed in this thesis helps to estimate dynamic fault impedance value without theoretical calculations during the fault. All three objectives delivered through this thesis revolve around understanding and exploring performance assessment for fault responses of large integrated WTGs during abnormal grid operation. In summary, this work is aimed towards the better understanding of wind farms during abnormal grid operating conditions to help establish improved protection and control strategies.
Author: Ning Zhang Publisher: CRC Press ISBN: 0429847696 Category : Technology & Engineering Languages : en Pages : 261
Book Description
The scope of this book covers the modeling and forecast of renewable energy and operation and planning of power system with renewable energy integration.The first part presents mathematical theories of stochastic mathematics; the second presents modeling and analytic techniques for renewable energy generation; the third provides solutions on how to handle the uncertainty of renewable energy in power system operation. It includes advanced stochastic unit commitment models to acquire the optimal generation schedule under uncertainty, efficient algorithms to calculate the probabilistic power, and an efficient operation strategy for renewable power plants participating in electricity markets.
Author: Tengran Sun
Author: Tengran Sun
Author: Roy Billinton
Author: R. K. Saket
Author: Gastón Orlando Suvire
Author: Fun Shao
Author: Roy Billinton
Author: George Anders
Author: Suresh Kumar Tummala
Author: Waqar A Qureshi
Author: Ning Zhang