Wind Speed Forecasting for Power System Operation

Wind Speed Forecasting for Power System Operation
Author :
Publisher :
Total Pages :
Release :
ISBN-10 : OCLC:872385773
ISBN-13 :
Rating : 4/5 (73 Downloads)

Synopsis Wind Speed Forecasting for Power System Operation by : Xinxin Zhu

In order to support large-scale integration of wind power into current electric energy system, accurate wind speed forecasting is essential, because the high variation and limited predictability of wind pose profound challenges to the power system operation in terms of the efficiency of the system. The goal of this dissertation is to develop advanced statistical wind speed predictive models to reduce the uncertainties in wind, especially the short-term future wind speed. Moreover, a criterion is proposed to evaluate the performance of models. Cost reduction in power system operation, as proposed, is more realistic than prevalent criteria, such as, root mean square error (RMSE) and absolute mean error (MAE). Two advanced space-time statistical models are introduced for short-term wind speed forecasting. One is a modified regime-switching, space-time wind speed fore-casting model, which allows the forecast regimes to vary according to the dominant wind direction and seasons. Thus, it avoids a subjective choice of regimes. The other one is a novel model that incorporates a new variable, geostrophic wind, which has strong influence on the surface wind, into one of the advanced space-time statistical forecasting models. This model is motivated by the lack of improvement in forecast accuracy when using air pressure and temperature directly. Using geostrophic wind in the model is not only critical, it also has a meaningful geophysical interpretation. The importance of model evaluation is emphasized in the dissertation as well. Rather than using RMSE or MAE, the performance of both wind forecasting models mentioned above are assessed by economic benefits with real wind farm data from Pacific Northwest of the U.S and West Texas. Wind forecasts are incorporated into power system economic dispatch models, and the power system operation cost is used as a loss measure for the performance of the forecasting models. From another perspective, the new criterion leads to cost-effective scheduling of system-wide wind generation with potential economic benefits arising from the system-wide generation of cost savings and ancillary services cost savings. As an illustration, the integrated forecasts and economic dispatch framework are applied to the Electric Reliability Council of Texas (ERCOT) equivalent 24- bus system. Compared with persistence and autoregressive models, the first model suggests that cost savings from integration of wind power could be on the scale of tens of millions of dollars. For the second model, numerical simulations suggest that the overall generation cost can be reduced by up to 6.6% using look-ahead dispatch coupled with spatio-temporal wind forecast as compared with dispatch with persistent wind forecast model. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151248

Reliability and Risk Evaluation of Wind Integrated Power Systems

Reliability and Risk Evaluation of Wind Integrated Power Systems
Author :
Publisher : Springer Science & Business Media
Total Pages : 138
Release :
ISBN-10 : 9788132209874
ISBN-13 : 8132209877
Rating : 4/5 (74 Downloads)

Synopsis Reliability and Risk Evaluation of Wind Integrated Power Systems by : Roy Billinton

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.

New Technologies for Power System Operation and Analysis

New Technologies for Power System Operation and Analysis
Author :
Publisher : Academic Press
Total Pages : 389
Release :
ISBN-10 : 9780128201695
ISBN-13 : 012820169X
Rating : 4/5 (95 Downloads)

Synopsis New Technologies for Power System Operation and Analysis by : Huaiguang Jiang

New Technologies for Power System Operation and Analysis considers the very latest developments in renewable energy integration and system operation, including electricity markets and wide-area monitoring systems and forecasting. Helping readers quickly grasp the essential information needed to address renewable energy integration challenges, this new book looks at basic power system mathematical models, advanced renewable integration and system optimizations from transmission and distribution system sides. Sections cover wind, solar, gas and petroleum, making this a useful reference for all engineers interested in power system operation. - Includes codes in MATLAB® and Python - Provides a complete analysis of all new and relevant power system technologies - Covers the impact on existing power system operations at the advanced level, with detailed technical insights

Valuing Wind Generation on Integrated Power Systems

Valuing Wind Generation on Integrated Power Systems
Author :
Publisher : William Andrew
Total Pages : 242
Release :
ISBN-10 : 9781437778533
ISBN-13 : 1437778534
Rating : 4/5 (33 Downloads)

Synopsis Valuing Wind Generation on Integrated Power Systems by : Ken Dragoon

Wind powered generation is the fastest growing energy source in the United States due to a combination of economic incentives, public preference for renewable energy as expressed in government policies, competitive costs, and the need to address global warming. The economic consequences of the relative variability and lower predictability of wind generation are not easily captured in standard economic analyses performed by utility planners. This book provides utility analysts and regulators a guide to analyzing the value of wind generation in the context of modern power systems.Guiding the reader through the steps to understanding and valuing wind generation on modern power systems, this book approaches the issue from the various, current perspectives in the US. These include utilities that are still primarily vertically integrated power providers and systems dominated by independent system operators (ISOs). Outlined here are the basic procedures in a wind valuation study, described with enough detail so that analysts spanning a range of resources and sophistication can reasonably undertake a competent study. Descriptions of studies performed by other utilities are also provided, explaining their specific approaches to the fundamentals. Finally, it includes a short section on power systems that utilize relatively large fractions of wind, and how operating procedures and valuing techniques may need alteration to accommodate them.• Reviews operating challenges that large amounts of wind power present to power systems operators • Outlines alternative approaches to quantifying the systems services necessary to accommodate the wind • Explains how economic analyses of wind generation are competently performed • Describes how to represent wind generation in computer models commonly used by electric utility planners that may not be specifically designed to incorporate wind generation • Reviews methods used by some select utility companies around the United States • Touches on key European issues involving relatively high levels of wind generation • Written at the level of the utility planner, assuming a basic understanding of economic dispatch of generators and elementary statistics - Outlines the role of wind forecasting in wind valuation studies - Evaluates the importance of estimating wind generation to meet peak demand - Researches how the market structure effects the value of wind energy - Discusses power systems that utilize relatively large fractions of wind power - Highlights the operating procedures that can enhance the value of wind generation

Renewable Energy Forecasting

Renewable Energy Forecasting
Author :
Publisher : Woodhead Publishing
Total Pages : 388
Release :
ISBN-10 : 9780081005057
ISBN-13 : 0081005059
Rating : 4/5 (57 Downloads)

Synopsis Renewable Energy Forecasting by : Georges Kariniotakis

Renewable Energy Forecasting: From Models to Applications provides an overview of the state-of-the-art of renewable energy forecasting technology and its applications. After an introduction to the principles of meteorology and renewable energy generation, groups of chapters address forecasting models, very short-term forecasting, forecasting of extremes, and longer term forecasting. The final part of the book focuses on important applications of forecasting for power system management and in energy markets. Due to shrinking fossil fuel reserves and concerns about climate change, renewable energy holds an increasing share of the energy mix. Solar, wind, wave, and hydro energy are dependent on highly variable weather conditions, so their increased penetration will lead to strong fluctuations in the power injected into the electricity grid, which needs to be managed. Reliable, high quality forecasts of renewable power generation are therefore essential for the smooth integration of large amounts of solar, wind, wave, and hydropower into the grid as well as for the profitability and effectiveness of such renewable energy projects. Offers comprehensive coverage of wind, solar, wave, and hydropower forecasting in one convenient volume Addresses a topic that is growing in importance, given the increasing penetration of renewable energy in many countries Reviews state-of-the-science techniques for renewable energy forecasting Contains chapters on operational applications

Integration of Large Scale Wind Energy with Electrical Power Systems in China

Integration of Large Scale Wind Energy with Electrical Power Systems in China
Author :
Publisher : John Wiley & Sons
Total Pages : 976
Release :
ISBN-10 : 9781118910085
ISBN-13 : 1118910087
Rating : 4/5 (85 Downloads)

Synopsis Integration of Large Scale Wind Energy with Electrical Power Systems in China by : Zongxiang Lu

An in-depth examination of large scale wind projects and electricity production in China Presents the challenges of electrical power system planning, design, operation and control carried out by large scale wind power, from the Chinese perspective Focuses on the integration issue of large scale wind power to the bulk power system, probing the interaction between wind power and bulk power systems Wind power development is a burgeoning area of study in developing countries, with much interest in offshore wind farms and several big projects under development English translation of the Chinese language original which won the "Fourth China Outstanding Publication Award nomination" in March 2013

Physical Approach to Short-Term Wind Power Prediction

Physical Approach to Short-Term Wind Power Prediction
Author :
Publisher : Springer Science & Business Media
Total Pages : 214
Release :
ISBN-10 : 9783540311065
ISBN-13 : 3540311068
Rating : 4/5 (65 Downloads)

Synopsis Physical Approach to Short-Term Wind Power Prediction by : Matthias Lange

The effective integration of wind energy into the overall electricity supply is a technical and economical challenge because the availability of wind power is determined by fluctuating meteorological conditions. This book offers an approach to the ultimate goal of the short-term prediction of the power output of winds farms. Starting from basic aspects of atmospheric fluid dynamics, the authors discuss the structure of winds fields, the available forecast systems and the handling of the intrinsic, weather-dependent uncertainties in the regional prediction of the power generated by wind turbines. This book addresses scientists and engineers working in wind energy related R and D and industry, as well as graduate students and nonspecialists researchers in the fields of atmospheric physics and meteorology.

Wind Power in Power Systems

Wind Power in Power Systems
Author :
Publisher : John Wiley & Sons
Total Pages : 1132
Release :
ISBN-10 : 9781119942085
ISBN-13 : 111994208X
Rating : 4/5 (85 Downloads)

Synopsis Wind Power in Power Systems by : Thomas Ackermann

The second edition of the highly acclaimed Wind Power in Power Systems has been thoroughly revised and expanded to reflect the latest challenges associated with increasing wind power penetration levels. Since its first release, practical experiences with high wind power penetration levels have significantly increased. This book presents an overview of the lessons learned in integrating wind power into power systems and provides an outlook of the relevant issues and solutions to allow even higher wind power penetration levels. This includes the development of standard wind turbine simulation models. This extensive update has 23 brand new chapters in cutting-edge areas including offshore wind farms and storage options, performance validation and certification for grid codes, and the provision of reactive power and voltage control from wind power plants. Key features: Offers an international perspective on integrating a high penetration of wind power into the power system, from basic network interconnection to industry deregulation; Outlines the methodology and results of European and North American large-scale grid integration studies; Extensive practical experience from wind power and power system experts and transmission systems operators in Germany, Denmark, Spain, UK, Ireland, USA, China and New Zealand; Presents various wind turbine designs from the electrical perspective and models for their simulation, and discusses industry standards and world-wide grid codes, along with power quality issues; Considers concepts to increase penetration of wind power in power systems, from wind turbine, power plant and power system redesign to smart grid and storage solutions. Carefully edited for a highly coherent structure, this work remains an essential reference for power system engineers, transmission and distribution network operator and planner, wind turbine designers, wind project developers and wind energy consultants dealing with the integration of wind power into the distribution or transmission network. Up-to-date and comprehensive, it is also useful for graduate students, researchers, regulation authorities, and policy makers who work in the area of wind power and need to understand the relevant power system integration issues.

Handbook of Wind Power Systems

Handbook of Wind Power Systems
Author :
Publisher : Springer Science & Business Media
Total Pages : 839
Release :
ISBN-10 : 9783642410802
ISBN-13 : 3642410804
Rating : 4/5 (02 Downloads)

Synopsis Handbook of Wind Power Systems by : Panos M. Pardalos

Wind power is currently considered as the fastest growing energy resource in the world. Technological advances and government subsidies have contributed in the rapid rise of Wind power systems. The Handbook on Wind Power Systems provides an overview on several aspects of wind power systems and is divided into four sections: optimization problems in wind power generation, grid integration of wind power systems, modeling, control and maintenance of wind facilities and innovative wind energy generation. The chapters are contributed by experts working on different aspects of wind energy generation and conversion.