Gerd Balzer
Short-Circuit Currents in Three-Phase Systems
Paperback Engels 2026 9783658507091Levertijd ongeveer 9 werkdagen
Gratis verzonden
Samenvatting
This book addresses the fundamentals for determining short-circuit currents. Calculating these currents is one of the essential tasks in planning electrical networks. Since the networks must be operated reliably and safely, the calculations are standardized by international and national norms. The current IEC/VDE standard applies concrete calculation methods that have proven themselves over many decades. New technical developments are continuously incorporated. However, the backgrounds are often no longer known, which is why this book describes these fundamentals. The author has been involved in the standardization of short-circuit current calculation since 1972 and has compiled the insights gained during this time.
Specificaties
ISBN13:9783658507091
Taal:Engels
Bindwijze:Paperback
Aantal pagina's:540
Uitgever:Springer Fachmedien Wiesbaden
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Inhoudsopgave
Introduction.- Standards for Short-circuit Current Calculation.- Requirements and Calculation Methods.- Calculation Variables for Equipment.- Calculation of the Short-circuit Currents.- Double Line-to-earth Short Circuit.- Calculation of the Voltage Factor c.- Correction Factors for Power Station Units and Power Transformers.- Component Systems.- Breaking Current in Meshed Networks.- Calculation of the Thermal Equivalent Short-circuit Current.- Contribution of Asynchronous Motors to the Short-circuit Current.- Short-circuit Current Calculation with Converter Systems.- Influence of Capacitors or Capacitive Compensation Units on the Short-circuit Current.- Calculation and Operation with Parallel Transformers.- Representation of Autotransformers in Short-circuit Current Calculations.- Voltage Flashover Between Three-phase Systems with Different Nominal Voltages.
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