Hierarchical Protection for Smart Grids

Description

A systematic view of hierarchical protection for smart grids, with solutions to tradition protection problems and complicated operation modes of modern power systems. A systematic view of hierarchical protection for smart grids, with solutions to tradition protection problems and complicated operation modes of modern power systems Systematically investigates traditional protection problems from the bird's eye view of hierarchical protection Focuses on multiple variable network structures and complicated operation modes Offers comprehensive countermeasures on improving protection performance based on up-to-date research.  Read more... Abstract: A systematic view of hierarchical protection for smart grids, with solutions to tradition protection problems and complicated operation modes of modern power systems. A systematic view of hierarchical protection for smart grids, with solutions to tradition protection problems and complicated operation modes of modern power systems Systematically investigates traditional protection problems from the bird's eye view of hierarchical protection Focuses on multiple variable network structures and complicated operation modes Offers comprehensive countermeasures on improving protection performance based on up-to-date research Content: Intro Title Page Copyright Page Contents About the Author Foreword Preface Introduction Chapter 1 Basic Theories of Power System Relay Protection 1.1 Introduction 1.2 Function of Relay Protection 1.3 Basic Requirements of Relay Protection 1.3.1 Reliability 1.3.2 Selectivity 1.3.3 Speed 1.3.4 Sensitivity 1.4 Basic Principles of Relay Protection 1.4.1 Over-Current Protection 1.4.2 Directional Current Protection 1.4.3 Distance Protection 1.5 Hierarchical Relay Protection 1.5.1 Local Area Protection 1.5.2 Substation Area Protection 1.5.3 Wide Area Protection. 1.5.4 Constitution Mode of Hierarchical Relay Protection1.6 Summary References Chapter 2 Local Area Conventional Protection 2.1 Introduction 2.2 Transformer Protection 2.2.1 Adaptive Scheme of Discrimination between Internal Faults and Inrush Currents of Transformer Using Mathematical Morphology 2.2.2 Algorithm to Discriminate Internal Fault Current and Inrush Current Utilizing the Variation Feature of Fundamental Current ... 2.2.3 Identifying Transformer Inrush Current Based on a Normalized Grille Curve (NGC) 2.2.4 Adaptive Method to Identify CT Saturation Using Grille Fractal. 2.2.5 Algorithm for Discrimination Between Inrush Currents and Internal Faults Based on Equivalent Instantaneous Leakage Inductance2.2.6 A Two-Terminal, Network-Based Method for Discrimination between Internal Faults and Inrush Currents 2.3 Transmission Line Protection 2.3.1 Line Protection Scheme for Single-Phase-to-Ground Faults Based on Voltage Phase Comparison 2.3.2 Adaptive Distance Protection Scheme Based on the Voltage Drop Equation 2.3.3 Location Method for Inter-Line and Grounded Faults of Double-Circuit Transmission Lines Based on Distributed Parameters. 2.3.4 Adaptive Overload Identification Method Based on the Complex Phasor Plane2.3.5 Novel Fault Phase Selection Scheme Utilizing Fault Phase Selection Factors 2.4 Summary References Chapter 3 Local Area Protection for Renewable Energy 3.1 Introduction 3.2 Fault Transient Characteristics of Renewable Energy Sources 3.2.1 Mathematical Model and LVRT Characteristics of the DFIG 3.2.2 DFIG Fault Transient Characteristics When Crowbar Protection Is Not Put into Operation 3.2.3 DFIG Fault Transient Characteristics When Crowbar Protection Is Put into Operation. 3.3 Local Area Protection for Centralized Renewable Energy3.3.1 Connection Form of a Wind Farm and its Protection Configuration 3.3.2 Adaptive Distance Protection Scheme for Wind Farm Collector Lines 3.3.3 Differential Protection Scheme for Wind Farm Outgoing Transmission Line 3.4 Local Area Protection for Distributed Renewable Energy 3.4.1 Adaptive Protection Approach for a Distribution Network Containing Distributed Generation 3.4.2 Islanding Detection Method 3.5 Summary References Chapter 4 Topology Analysis 4.1 Introduction 4.2 Topology Analysis for the Inner Substation.