Protective relaying for power generation systems. (2006)

• Record Type: Book
• Further Information: Note: Donald Reimert.
• Other Names: Reimert, Donald
• Contents: GENERATOR NORMAL OPERATIONS; The Sample System; Generator Capability; Voltage Limitations; System Limitations; Generator Capability Variations with Voltage; Excitation System; References; GENERATOR SHORT CIRCUIT CALCULATIONS; Introduction; Short-Circuit Current Characteristics; Generator Internal Magnetics; Generator Magnetic Structures; Generator Constants; Fault Current Calculations; Voltage Regulator; Practical Shortcuts; Short Circuit Calculation Example; References; GENERATOR DIFFERENTIAL RELAY: 87G; Introduction; Ideal Differential Relay; Practical Considerations; Percentage Differential Relay; Relay Characteristics; Minimum Operating Current Setting; Slope Setting; Sample System Differential Relay Settings; CT Saturation; Stabilizing Resistor; Balancing Burden; Time Delay; Frequency Response; References; BACKUP FAULT PROTECTION; Purpose and Implementation; Voltage Supervised Overcurrent Relays; Distance Relays; References; GENERATOR GROUND FAULT PROTECTION; Introduction; Generator Grounding Considerations; Methods of Grounding; Ground Fault Protection; References; UNBALANCED CURRENT PROTECTION; Introduction; What is Negative-Sequence Current?; Effects of Negative-Sequence Current; Generator Negative-Sequence Capability; Sources of Negative-Sequence Current; In-Service (I2) 2t Duty Versus Standards; Unbalanced Current Protection; Negative-Sequence Relay Settings; References; MOTORING PROTECTION; Introduction; Effects of Motoring; Protection; Sequential Trip Logic; Backup Protection; Setting Device 32; Applying Reversed Power Relay on the Sample System; References; FIELD WINDING PROTECTION; Field Ground Protection; Field Overcurrent Protection; Settings for Field Overcurrent Overvoltage Relays; Applying Field OC Protection on the Sample System; References; OVEREXCITATION; Introduction; Causes of Overexcitation; Damage; V/Hz Limits; Protection; Settings; Differential Relay Response to Overexcitation; Application of V/Hz Protection on the Sample System; References; ABNORMAL FREQUENCY PROTECTION; Introduction; Effect on Generator; Steam Turbines; Combustion Turbines; Hydro Generators; Excitation System; Protection and Settings; References; MINIMUM EXCITATION LIMITER; Overview of the Minimum Excitation Limiter Application; Setting Criteria Background; Setting Criteria; Steady State and Dynamic Stability Considerations; Generator Leading VAR Capability; Coordination with the LOF Relay; System Stability Limits; MEL Protective Characteristic; MEL Dynamic Performance; MEL Application on the Sample System; References; LOSS OF SYNCHRONISM; Introduction; Turbine Generator Damage; Transient Stability; Out-of-Step Protection; Classical Swing Impedance Characteristic; Dynamic Swing Representation; Dynamic Swing Calculations; Setting Consideration; Out-of-Step Relay: Device 78; Setting Out-of-Step on Sample System; References; LOSS OF FIELD PROTECTION; General; System Impact; Generator Damage; Loss of Field Protection: Device 40; Distance Relay Schemes; Other Causes for LOF Relay Operations; LOF Relays During System Disturbances; Special Considerations for Hydro Units; Application of the LOF on the Sample System; References; SYNCHRONIZATION PROTECTION; Introduction; Damage; Synchronizing Methods; Synchronism Check Relays (Device 25); Automatic Synchronizer (Device 25A); Slow Breaker Protection; Settings; Synchronizing Equipment on the Sample System; References; ACCIDENTAL ENERGIZATION PROTECTION; Introduction; Generator State at Energization; Inadvertent Energization; Breaker Flashover; Dynamic Analysis of Three-Phase Energization from Standstill; Generator Damage; Turbine Damage; Energization Protection; Protection Provided by Native Schemes; Dedicated Energization Protection; Applying Energization Protection on the Sample System; References; MOTOR PROTECTION; Introduction; Motor Characteristics And Representation; Motor Ratings; Motor Characteristics; Motor Applications; Motor Starting; Mechanic System Considerations; Pump Characteristics; Motor Overload Protection; Multifunction Microprocessor Relays; Transient Current Evaluation; Special Schemes for Difficult Starts; Direct Temperature Measurement; Phase Fault Protection; Ground Fault Protection; Phase Unbalanced Protection; Sample Setting Calculations; References; APPENDIX A: SWING IMPEDANCE LOCUS CALCULATION USING EXCEL®; APPENDIX B; APPENDIX C; APPENDIX D; APPENDIX E; APPENDIX F; INDEX
• Publisher Details: Boca Raton, FL : CRC/Taylor & Francis
• Publication Date: 2006
• Extent: 1 online resource (573 pages), illustrations
• Subjects: 621.31/7; Electric power systems -- Protection; Protective relays; TECHNOLOGY & ENGINEERING -- Electrical; Electric power systems -- Protection; Protective relays; Electronic books
• Languages: English
• ISBNs: 0824707001; 9780824707002; 1420030485; 9781420030488
• Notes: Note: Includes bibliographical references and index.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.