Publications
Showing 8 results for Author: Renata Rezende Da Costa Reis Kimpara
Jul, 2026
Conference Paper
Autoencoder-Based Sensor Drift Detection and Mitigation for Resilient Charging Systems
This work presents an autoencoder-based approach for sensor signal reconstruction and drift detection for charging systems. The proposed strategy is implemented within a Simulink-based system framework and evaluated under multiple operating conditions. An autoencoder with 8 neurons in the bottleneck layer is adopted, achieving accurate reconstruction across 10 variables an…
Mar, 2026
Conference Paper
A Simulation Framework to Support the Deployment of Vanadium Redox Flow Batteries
This work presents a simulation framework to support Vanadium Redox Flow Batteries deployment. First, an electrical equivalent model of a commercial three-stack, 20 kW VRFB is implemented to capture the battery dynamics. Next, a topology of a power electronics-based solution to integrate a VRFB is introduced, and the effectiveness of the control system is evaluated through…
Mar, 2026
Conference Paper
A Grid-Forming Split-Phase Three-Leg Inverter with Unbalanced Loading and Active Power Decoupling
This paper presents a split-phase three-leg inverter that regulates 180-degree phase-shifted AC voltages to support residential house loads under unbalanced loading conditions and decouples double line frequency power pulsation by utilizing the third half-bridge switching leg. The active power decoupling function is added without extra active switching components. The cont…
Mar, 2026
Conference Paper
Enhancing EV Charging Station Resilience with Multifunctional Converter Leg Integration
In this paper, a multifunctional converter leg is integrated into an EV charger’s power circuit to enhance EV charging station resilience under power electronics converter device faults and grid outages. In the event of a device fault, it substitutes the failed converter leg, maintaining operation. During a grid outage, it assists the system as a fourth leg to the front-en…
Mar, 2026
Conference Paper
Real-time Simulation Model of a Vanadium Redox Flow Battery Energy Storage System with Power Electronics Integration
This paper presents a real-time (RT) model of a 20 kW multi-stack vanadium redox flow battery (VRFB) system including power electronics converters in a single real-time framework. Implemented on a Typhoon HIL 604 device, this model is designed to simulate the operation of the flow battery with system-level controls. To provide a realistic overview of a VRFB system, the mod…
Mar, 2026
Conference Paper
Improving EV Charger Resiliency for MW Charging Systems
In this paper, the resiliency of a megawatt-scale EV charging station is investigated. Fault detection and tolerance methodologies are presented, based on monitoring the voltage offsets in DABs and switch-level currents in three-phase inverters, with the goal of maintaining operation at rated power during single faults and at reduced power under multiple fault conditions.…
Aug, 2025
Conference Paper
Comprehensive AI-based System for Control, Sensor Estimation, and Fault Detection of Cascaded Multilevel Inverters
In this paper, an Artificial Intelligence-based (AI) system is proposed for an 11-level cascaded H-bridge multilevel inverter (MLI) with the aims of harmonic suppression and reliability enhancement. The system consists of three seamlessly integrated Neural Networks (NNs). First, a multilayer perceptron is used to generalize the optimal switching angles for selective harmon…