Publications
Blind PV temperature model calibration KU Leuven
Automated Test Setup for Capacitive Power Transfer Coupler Impedance Measurements KU Leuven University of Antwerp
Fault location method for medium voltage cables using measured sheaths current in the presence of renewable energy resources KU Leuven
This paper proposes a novel online method to locate single-phase to ground faults on medium voltage (MV) cables. The proposed method exploits the relationship between the cable's voltage and current, in particular, the sheaths currents. Using the measured phasors of voltages and currents of sending end of the cable, the voltages of the sheaths at the receiving end are calculated. Based on the equality of the calculated voltages of the sheaths at ...
Estimating grounding resistance of medium voltage cables using measured sheaths current KU Leuven
The online estimating of grounding resistances of medium voltage cable sheaths makes it possible to monitor their zero-sequence impedance. This paper proposes a cable grounding resistance estimation method for three-phase single-core cables. The method uses the phasors of measured voltage and currents of the cable sending end and the Pi-model of the cable to estimate the current of the main conductor at the receiving end. Then, using measured ...
A Techno-Economic Analysis to Compare Low Voltage DC with AC Grids for LED Lighting KU Leuven
Modern lighting systems typically use LED lamps. State of the art is to employ AC/DC drivers, connected to the local low voltage AC (LVAC) grid. However, a local low voltage DC (LVDC) grid, using DC/DC drivers and a centralized rectifier, can be more economic. Currently, it is cumbersome to assess the LVDC alternative since simple to use methodologies are missing. In this study, the choice between LVAC or LVDC in the planning of the lighting ...
Design and Modeling of Inverter Control for Fault Behavior and Power System Protection Analysis KU Leuven
Renewable energy resources will form the cornerstone of power systems of the future and present a key solution to the grand challenge of mitigating climate change. However, the proliferation of renewables has brought up a myriad of challenges involved in operating the power system with notable shares of inverter-based resources (IBRs). This has sparked several concerns pertaining to stability, protection, and continuity of power supply at large. ...
Fault Behavior of Inverter-based Resources: A Comparative Study for GFM & GFL Control KU Leuven
In this paper, we compare the performance of grid-forming (GFM) and grid-following (GFL) inverters during unbalanced grid faults. By performing an exhaustive time-domain electromagnetic transient (EMT) simulation study of an allinverter network, we compute a variety of transient and steadystate fault signatures including peak current, transient time, sequence voltages, and harmonic distortion with computational methods spanning wavelet, Fourier, ...