Electric power systems in transition [[electronic resource] /] / Olivia E. Robinson, editor

• Pubblicazione: New York, : Nova Science Publishers, Inc., c2010
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (250 p.)
• Disciplina: 621.319/1
• Soggetto topico: Electric power systems
• Altri autori: RobinsonOlivia E
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- ELECTRIC POWER SYSTEMS IN TRANSITION -- ELECTRIC POWER SYSTEMS IN TRANSITION -- CONTENTS -- PREFACE -- Chapter 1 PHASE-MODE TRANSFORMATION MATRIX APPLICATION FOR TRANSMISSION LINE AND ELECTROMAGNETIC TRANSIENT ANALYSES -- INTRODUCTION -- I. TRANSMISSION LINE PARAMETERS DERIVATION FROM IMPEDANCE VALUES [20] -- I.1. Frequency-Dependent Transmission Line Parameter Calculating -- I.2. Line Parameter Calculating from Phase Current and Voltage Values -- II. AN ALTERNATIVE MODEL FOR EQUIVALENT CONDUCTOR DETERMINATION FROM BUNDLED CONDUCTORS -- II.1. Analyses for Single Conductors -- II.2. Application of Geometric Mean Radius (GMR) Concept for Changing a Bundled Conductor into an Equivalent Conductor -- II.3. Alternative Method for Determination of Equivalent Conductor from a Bundled Conductor [36] -- III. UNTRANSPOSED SYMMETRICAL THREE-PHASE TRANSMISSION LINE MODAL REPRESENTATION USING TWO TRANSFORMATION MATRICES [37, 38] -- III.1. Obtaining the β Exact Mode Applying Clarke's Matrix -- III.2. Obtaining the α and 0 Exact Modes Applying a 2-Order Transformation Matrix -- III.3. An Actual Transmission Line Sample -- IV. SINGLE REAL TRANSFORMATION MATRIX APPLICATIONS FOR UNTRANSPOSED THREE-PHASE TRANSMISSION LINES [39-41] -- IV.1. Mathematical Modeling for Modal Transformation Application -- IV.2. Untransposed Three-Phase Lines with a Vertical Symmetry Plane -- IV.2. Untransposed Three-Phase Lines with Phase Conductors Vertically Lined -- IV.4. Untransposed Three-Phase Lines with Phase Conductors Distributed in a Triangular Design -- V. CORRECTION PROCEDURE APPLICATION TO CLARKE'S MATRIX [42] -- V.1. The Perturbation Approach Corrector Matrix [5] -- V.2. Flowchart of the Correction Procedure -- V.3. The Q Matrix Application -- V.4. The N Matrix Application for Completing the Correction Procedure -- VI. IMPROVING SPECIFIC RESULTS [39-41]. ; VI.1. Other Analyses Associated to the Applications Shown in this Chapter -- VII. CONCLUSIONS -- REFERENCES -- Chapter 2 LOAD MODELING IN POWER SYSTEMS: INDUCTION MOTORS -- ABSTRACT -- 1. INTRODUCTION -- 1.1. Approaches to Obtain a Model of the Load -- 1.2. Objectives of this Work -- 2. INDUCTION MOTORS -- 2.1. Models for Induction Motor Simulation -- 2.2. Characteristics Speed-Torque and Current Torque -- 2.3. Influence of the Motor Inertia -- 2.4. Small Motors -- 3. MEASUREMENT BASED LOAD MODEL - SMALL SIGNAL -- 3.1. Analysis Approach -- 3.1.1. Examples -- 3.1.2. Identification with feedthrough -- 3.1.3. Industrial example of frequency to power relations -- 3.1.4. Industrial example of voltage magnitude to power relations -- 3.2. Improving the Small Signal Model: F-V Relationship -- 3.2.1. Numerical example -- 3.2.2. Results when applied to real Frequency and Voltage measurements -- 4. IDENTIFICATION OF MOTOR LOADS -- 5. LARGE DISTURBANCE -- 5.1. Simulating Major Disturbances -- 5.2. Severity Index -- 5.3. Tripping Index -- 5.4. Decomposing the Response of Motors in Stalled, Reaccelerated and Tripped -- 5.5. Example -- 6. DISCUSSION -- 7. CONCLUSIONS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 3 ADVANCED WIDE-AREA ANGLE STABILITY AND VOLTAGE CONTROL -- ABSTRACT -- WIDE-AREA ANGLE STABILITY CONTROLS -- Adaptive Wide-Area Special Protection and Control Systems -- Adaptive wide-Area Control (Wide-Area Response-Based Control) -- IMPLEMENTATION OF WIDE-AREA STABILITY CONTROL SCHEMES USING SYNCHRO-PHASOR DATA -- The Mexican Interconnected System -- Description of Base Cases -- Oscillatory Stability Monitoring -- The Mis Wams System -- Operating Experiences with SPSs and Functional Needs -- Response-based Generator Dropping Scheme (GDS) -- Requirements for an on-line generator dropping control -- Inter-area oscillation monitoring. ; Selectivity of generator dropping controls -- Experience with the design and testing of generator dropping schemes -- Selectivity of generation dropping schemes -- SPS steps -- Time delay to initiate generator tripping -- Wide-Area Under-Frequency Load Shedding Scheme -- Sensitivity analyzes -- WIDE-AREA VOLTAGE CONTROL -- Operating Experience with SVCs -- Voltage-VAR Controls -- Wide-Area Reactive Power Control - Secondary Voltage Control -- Analysis Method -- Critical Bus identification using modal voltages -- Modal reactive power -- Viability Studies -- Modal-based identification of critical voltage areas -- Hierarchical control of static var compensators -- Coordination of reactive power sources -- Effect on System Transient Behavior -- SUMMARY AND CONCLUSIONS -- REFERENCES -- Chapter 4 DESIGN AND APPLICATION OF A PROPOSED OVERCURRENT RELAY IN RADIAL DISTRIBUTION NETWORKS -- ABSTRACT -- I. INTRODUCTION -- II. INVERSE TIME OVERCURRENT DIGITAL RELAY -- III. OPERATING LIMITS OF THE OVERCURRENT RELAY -- IV. APPLICATION CRITERIA OF PROPOSED RELAY IN POWER SYSTEMS -- V. FIRST FUNCTION -- A. Time Coordination -- B. Coordination -- C. Test Operation in Steady State and Dynamic State -- D. Fault Confirmation Logic -- E. Application Criteria for the First Function -- VI. SECOND FUNCTION -- a. Overcurrent Relays -- b. Test -- VII. CONCLUSION -- REFERENCES -- Chapter 5 POWER SYSTEMS STATE ESTIMATION -- ABSTRACT -- 1. INTRODUCTION -- 2. STATE ESTIMATION MODEL -- 3. STATE ESTIMATION ALGORITHMS -- 3.1. WLS Algorithm for State Estimation -- 3.2. Topological Observability Analysis [3] -- 3.2.1 Formulation of topological observability [8-16] -- 3.2.2 Augmented graph for observability analysis -- 3.3. Identification of Bad Measurement Data [3] -- 3.3.1. Properties and classification of bad data groups -- 3.3.2. Criticality of flow measurements based on graph theory. ; 4. HARMONIC STATE ESTIMATION -- 5. PMU BASED STATE ESTIMATION -- REFERENCES -- Chapter 6 ADVANCED FAULT LOCATION TECHNIQUE FOR PARALLEL POWER TRANSMISSION LINES -- ABSTRACT -- I. INTRODUCTION -- II. PROPOSED FAULT LOCATION METHOD -- II.1. Construction of bus Impedance Matrix with Addition of the Fault Bus -- II.2. Fault Location Algorithms -- A. Fault location with measurements from two buses -- B. Fault location with measurements from a single bus -- III. SIMULATION STUDIES -- IV. CONCLUSION -- REFERENCES -- INDEX -- Blank Page.
• Titolo autorizzato: Electric power systems in transition
• ISBN: 1-61728-313-4
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910809846003321
• Lo trovi qui: Univ. Federico II
• Serie: Electrical engineering developments series.