Providing reliable operation of electric networks / edited by Alexander Yu. Khrennikov, Scientific & Research Centre of Federal Grid Company, United Energy System, Moscow, Russia, Alexey A. Kuvshinov, Togliatti State University, Togliatti, Russia, and Igor A. Shkuropat, Electroshield, Samara, Russia.

Includes bibliographical references and index.

"This book presents theoretical and practical aspects of providing reliable electrical network operation by 6-500 eV voltage. The topics covered includes semiconductor systems for de-icing overhead transmission lines, dispatching solutions in power systems by expert systems, partial discharge diagnostics, electrodynamic testing of reactors, an investigation of technological breakdowns with damage to power transformers, perspectives for using photothyristors, IGCT and IGBT for electrodynamic, programmable static converters for intelligent electrical networks, and digital current transformers for digital substations"-- Provided by publisher.

Print version record and CIP data provided by publisher; resource not viewed.

Intro; Contents; Preface; Chapter 1; A Review of Modern Semiconductor Systems for De-Icing Overhead Transmission Line Wires; Abstract; 1.1. Introduction; 1.2. Classification of De-Icing Methods; 1.3. Thermal Impact with Alternate Current of Industrial Frequency; 1.4. Thermal Impact of Direct Current; 1.5. Thermal Impact by Ultra-Low Frequency Current; 1.6. Thermal Impact of High-Frequency Current; 1.7. Thermodynamic Impact; 1.8. Electromechanical Impact; Conclusion; Acknowledgments; References; Chapter 2

Computer Support of Dispatching Solutions in Power Systems Based on Technology of Expert SystemsAbstract; 2.1. Introduction; 2.2. Object System of Substation Analysis of the Situation; 2.3. Analysis System for Electrical Networks; 2.4. Intellectual Models of Reasoning in the Adviser of the Dispatcher of Electric Networks; 2.5. The Simulator of the Analysis of Non-Standard Situations; 2.5.1. Simplicity of Preparation of Trainings; 2.5.2. Automatism Analysis of the Situation; 2.5.3. Convenience of the Workout; 2.5.4. Objectivity of Evaluation of Training Results

2.5.4.1. Setting Training Conditions2.5.4.2. Simulation of Reports from Substations; 2.5.4.3. The Training Process; 2.6. Automation of Damage Search in Distribution Electric Networks; 2.7. Intelligent Functions of Automated Dispatching Management Systems; 2.8. Architecture of the Automated Dispatching Management System (ASDU); 2.9. Intelligent Agents; 2.10. Specialization of Intellectual Agents; 2.11. Automation of After-Emergency Control; 2.12. System Level in Planning the Restoration of Electric Power Supply; 2.13. Switching Level; Conclusion; Acknowledgments; References; Chapter 3

Partial Discharges as Diagnostic Method for Detection of Electrical Equipment and XLPE Cable Faults, Defects for Power Systems ControlAbstract; 3.1. Introduction; 3.2. Partial Discharges (PD) for the Insulation Monitoring; 3.3. Procedure of PD Measurements and Measuring Means; 3.4. Results of Partial Discharge Measurements; 3.5. Advantages of Cables with XLPE Insulation; 3.6. Comparative Characteristics of Cable with Paper Insulation and Insulation from XLPE; 3.7. Methods and Equipment for Testing XLPE Cables by Voltage on the ULF (0.1-0.01 Hz.)

3.8. Diagnostics of Cables with XLPE InsulationConclusion; Acknowledgments; References; Chapter 4; Electrodynamic Testing of Reactors for Reliability and Withstand to Short-Circuit Currents; Abstract; 4.1. Introduction; 4.2. 36 MVA/ 33 kV Reactor Testing; 4.3. Heat and Acoustic Reactor Testing; 4.4. The Calculation of the Current Distribution; 4.5. Reactor Testing for Withstand to the Aperiodical Overshooting of Load (Commutation Short-Circuit) and Electrodynamic Short-Circuit Current; Conclusion; Acknowledgments; References; Chapter 5

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