Influence of Shunt Reactor Switching on Overvoltages in 400 kV Substation
Selma Grebović, Nermin Oprašić, Adis Balota
Abstract
Different types of transient phenomena are found in power systems. Switching transients in power systems have always been a matter of concern in insulation coordination studies. The reactors in power system are widely used elements which purpose is to provide stable power flow in normal conditions and to reduce dynamical and thermal stresses during short circuits and some other faults. Many shunt reactors are switched frequently, even daily. Shunt reactor switching imposes a unique and severe stress on the connected system and the circuit breaker. This paper presents study of overvoltages due to shunt reactor switching in 400 kV substation.
Topics & Concepts
Shunt (medical)OvervoltageCircuit breakerElectric power systemFast switchingElectronic circuitInductorTransient (computer programming)Electrical engineeringTransient analysisPower flowEngineeringNuclear engineeringComputer scienceAutomotive engineeringVoltagePower (physics)Transient responsePhysicsMedicineCardiologyQuantum mechanicsOperating systemHigh voltage insulation and dielectric phenomenaPower Systems Fault DetectionPower Transformer Diagnostics and Insulation