Series magnetic coupled reactor saturation considerations for high voltage AC and DC power systems
Amir Heidary (TU Delft - Intelligent Electrical Power Grids)
Mohamad Ghaffarian Ghaffarian Niasar (TU Delft - High Voltage Technology Group)
Marjan Popov (TU Delft - Intelligent Electrical Power Grids)
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Abstract
The rapid increase of integrated distributed generators results in higher fault currents in the future modern grids. A remedy for the concern is employing series reactors as fault current limiters. This paper elaborates on a ferromagnetic core series reactor, which, when saturated, adversely affects the operation of the series reactor during faults. The main goal of the paper is to calculate grid and series reactor coefficients by applying a simplified power line model during a fault condition. These coefficients are the primary considerations of a series reactor design to avoid its saturation. Moreover, the study of the relationship between the reactor inductance and obtained coefficients will be carried out. The obtained results are validated by simulations performed in MATLAB Simulink.
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