Frequency Variations in Power Systems

Modeling, State Estimation, and Control

Inbunden, Engelska, 2020

AvFederico Milano,Alvaro Ortega Manjavacas

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Frequency Variations in Power Systems: Modeling, State Estimation and Control presents the Frequency Divider Formula (FDF); a unique approach that defines, calculates and estimates the frequency in electrical energy systems. This authoritative book is written by two noted researchers on the topic. They define the meaning of frequency of an electrical quantity (such as voltage and current) in non-stationary conditions (for example the frequency is not equal to the nominal one) and pose the foundation of the frequency divider formula. The book describes the consequences of using a variable frequency in power system modelling and simulations, in state estimation and frequency control applications.In addition, the authors include a discussion on the applications of the frequency divider in systems where part of the generation is not based on synchronous machines, but rather on converter-interfaced energy resources, such as wind and solar power plants. This important book: Offers a review that clearly defines and shows how the Frequency Divider Formula can be appliedDiscusses the link between frequency and energy in power systemsPresents a unified vision that accurately reveals the common thread that links modelling, control and estimationIncludes information on the many implications that “local frequency variations” have on power system dynamics and controlContains several numerical examplesWritten for researchers, academic staff members, students, specialised consultants and professional software developers, Frequency Variations in Power Systems questions the conventional transient stability model of power system and proposes a new formulation.

Produktinformation

Utgivningsdatum2020-06-25
Mått170 x 246 x 25 mm
Vikt771 g
FormatInbunden
SpråkEngelska
SerieIEEE Press
Antal sidor360
FörlagJohn Wiley & Sons Inc
ISBN9781119551843

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Energiteknik inom Naturvetenskap och teknik

List of Figures xiiiList of Tables xixPreface xxiAcknowledgments xxviiAcronyms and Abbreviations xxixNotation xxxiiiPart I Background 11 Frequency in Power Systems 31.1 Conventional Definitions 31.2 Alternating Current 61.3 Reference Frequency 81.4 Transforms 132 Power System Model 392.1 Time Scales 392.2 Quasi-Steady-State Model 412.3 Differential Algebraic Equations 452.4 Conventional Devices 483 Dynamic State Estimation 773.1 Basic Concepts 773.2 Introducing Dynamics 843.3 Estimation of Bus Frequencies 894 Frequency Control 1054.1 Introduction 1054.2 Power Balancing 1064.3 Power Oscillation Damping 1154.4 Nonsynchronous Devices 125Part II Theory 1375 Frequency Divider Formula 1395.1 Rationale 1395.2 Derivation 1415.3 Equivalent Networks 1555.4 Inclusion of Measurements 1595.5 Frequency Participation Factors 1636 Frequency Makers and Frequency Takers 1756.1 Introduction 1756.2 Derivation 1766.3 Taxonomy 1786.4 Examples 187Part III Applications 2057 Frequency Control 2077.1 Impact of Frequency Signals 2077.2 Synthesis of Frequency Signals 2168 Dynamic State Estimation 2278.1 Machine Rotor Speeds 2278.2 Center of Inertia 2478.3 Applications of the RoCoP 2569 Power System Model 2619.1 Introduction 2619.2 Frequency Dependent Model 2629.3 Example 26510 Frequency in Power Systems 26910.1 Definitions 26910.2 Final Remarks 269Appendix A Data 273A.1 Three-Bus System 273A.2 WSCC System 273A.3 IEEE 14-Bus System 278A.4 New England System 281Appendix B Irish Transmission System 291Bibliography 293Index 313