Voltage reference
View article: A Weighted Control Strategy Based on Current Imbalance Degree for Vienna Rectifiers Under Unbalanced Grid
A Weighted Control Strategy Based on Current Imbalance Degree for Vienna Rectifiers Under Unbalanced Grid Open
Under unbalanced grid conditions, the three-phase Vienna rectifier exhibits significant voltage fluctuations in dc-link and asymmetric input currents. Traditional control methods cannot simultaneously suppress the voltage ripples in dc-lin…
View article: Design of a power-on reset circuit and integration with an ultra-low-power voltage and current reference
Design of a power-on reset circuit and integration with an ultra-low-power voltage and current reference Open
View article: Improvement and Stabilization of Output Voltages in a Vertical Tidal Turbine Using Intelligent Control Strategies
Improvement and Stabilization of Output Voltages in a Vertical Tidal Turbine Using Intelligent Control Strategies Open
This article investigates on the improvement and stabilization of alternating current (AC) and direct current (DC) output voltages in a Permanent Magnet Synchronous Generator (PMSG) driven by a vertical-axis tidal turbine using advanced co…
View article: DVMPCC block diagram.
DVMPCC block diagram. Open
This paper proposes a current model predictive control strategy for the permanent magnet synchronous motor (PMSM) based on a novel sliding mode observer to reduce the cost of PMSM and ensure good tracking performance. A super twisting sli…
View article: Three-phase two-level inverter.
Three-phase two-level inverter. Open
This paper proposes a current model predictive control strategy for the permanent magnet synchronous motor (PMSM) based on a novel sliding mode observer to reduce the cost of PMSM and ensure good tracking performance. A super twisting sli…
View article: Vector transformation coordinate systems of PMSM.
Vector transformation coordinate systems of PMSM. Open
This paper proposes a current model predictive control strategy for the permanent magnet synchronous motor (PMSM) based on a novel sliding mode observer to reduce the cost of PMSM and ensure good tracking performance. A super twisting sli…
View article: A neutral-point voltage balance control method for 3L-NPC converters
A neutral-point voltage balance control method for 3L-NPC converters Open
The inherent problem of neutral-point potential imbalance in three-level neutral-point-clamped (3L-NPC) converters increases the risk of overvoltage in switching devices, causes increased output harmonic content, and seriously affects the …
View article: A Self-Contained Startup Charging Circuit for Energy Harvesting Batteryless IoT Devices
A Self-Contained Startup Charging Circuit for Energy Harvesting Batteryless IoT Devices Open
This paper presents a self-contained startup charging circuit designed for energy harvesting batteryless IoT devices. The proposed circuit consists of a current biasing block, a current mirror, a reference voltage generator, and a comparat…
View article: DC Offset Voltage Contributions from Input Bias Current (<i>I</i><sub><i>B</i></sub>) and Input Offset Voltage () and the Calculated Error at Zero Input Current (<i>I</i><sub><i>TIA</i></sub>).
DC Offset Voltage Contributions from Input Bias Current (<i>I</i><sub><i>B</i></sub>) and Input Offset Voltage () and the Calculated Error at Zero Input Current (<i>I</i><sub><i>TIA</i></sub>). Open
DC Offset Voltage Contributions from Input Bias Current (IB) and Input Offset Voltage () and the Calculated Error at Zero Input Current (ITIA).
View article: Voltage Balancing of a Bipolar DC Microgrid with Unbalanced Unipolar Loads and Sources
Voltage Balancing of a Bipolar DC Microgrid with Unbalanced Unipolar Loads and Sources Open
This paper presents the validation of a voltage balancing converter for a bipolar DC microgrid designed to ensure reliable operation in both grid-connected and islanded modes. This microgrid includes unipolar constant power loads (CPL), a …
View article: AC-Voltage Support and Speed Control Strategy for DFIG-Based Gravity Energy Storage Systems Under Unbalanced Grid
AC-Voltage Support and Speed Control Strategy for DFIG-Based Gravity Energy Storage Systems Under Unbalanced Grid Open
This paper presents an optimized control strategy based on a Doubly Fed Induction Generator (DFIG) and Gravity Energy Storage System (GESS) for AC voltage support in unbalanced grid conditions. The presented control aims to achieve precise…
View article: Design and Comparative Structure Simulation Analysis of Bandgap Reference Source Based on CMOS 0.18μm Process
Design and Comparative Structure Simulation Analysis of Bandgap Reference Source Based on CMOS 0.18μm Process Open
To address the need for high-precision reference voltages in analog integrated circuits, this paper designs and simulates two bandgap reference structures based on TSMC's 0.18µm CMOS process. First, the operating principle and temperature …
View article: Research Progress on Bandgap and Non-Bandgap Reference Circuits
Research Progress on Bandgap and Non-Bandgap Reference Circuits Open
Bandgap reference (BGR) circuits could provide stable, temperature-insensitive reference voltages or currents that are essential to system-level designs. These circuits are extensively employed in critical applications including voltage re…
View article: Design, Construction, and Field Evaluation of an Intelligent Solid-State Voltage Regulator for Voltage Profile Improvement in Low-Voltage Distribution Networks
Design, Construction, and Field Evaluation of an Intelligent Solid-State Voltage Regulator for Voltage Profile Improvement in Low-Voltage Distribution Networks Open
Voltage drop at the end of low-voltage (LV) feeders is one of the major operational challenges in distribution networks, often leading to reduced power quality and malfunction of sensitive loads. Conventional distribution transformers equi…
View article: A modulated triple vectors model predictive controllers for PMSM drives based on voltage reference position selection
A modulated triple vectors model predictive controllers for PMSM drives based on voltage reference position selection Open
View article: Three-Phase Powerline Energy Harvesting Circuit with Maximum Power Point Tracking and Cold Start-Up
Three-Phase Powerline Energy Harvesting Circuit with Maximum Power Point Tracking and Cold Start-Up Open
This paper presents a three-phase powerline energy harvesting circuit with doubly regulated output voltages to power wireless sensors for the monitoring of railroad powerline status. Three ring-shaped silicon steel cores coupled to the thr…
View article: Development of a low-cost DC measurement circuit for photovoltaic systems using industrial equipment as a reference
Development of a low-cost DC measurement circuit for photovoltaic systems using industrial equipment as a reference Open
This paper considers the DC measurement circuit often used in photovoltaic systems and its relatively high cost. The aim of the present work is to highlight the development of a low-cost high accuracy DC measurement arrangement. To achieve…
View article: Development of a low-cost DC measurement circuit for photovoltaic systems using industrial equipment as a reference
Development of a low-cost DC measurement circuit for photovoltaic systems using industrial equipment as a reference Open
This paper considers the DC measurement circuit often used in photovoltaic systems and its relatively high cost. The aim of the present work is to highlight the development of a low-cost high accuracy DC measurement arrangement. To achieve…
View article: Dynamic Voltage Restorerusing Lemurs-Optimized Cascaded ANFIS-controller for Distributed Power Systems
Dynamic Voltage Restorerusing Lemurs-Optimized Cascaded ANFIS-controller for Distributed Power Systems Open
The main objective of this study is to reduce disturbances, such as voltage sags, swells, and fluctuations, increase stability of voltage and Power Quality (PQ) in distributed power systems using an optimized Dynamic Voltage Restorer (DVR)…
View article: Performance analysis and mass tuning study of a wing-type multi-modal piezoelectric energy harvester
Performance analysis and mass tuning study of a wing-type multi-modal piezoelectric energy harvester Open
To overcome the limitations of traditional piezoelectric energy harvesters in efficiently capturing energy from dispersed and time-varying low-frequency vibration sources (typically < 30 Hz), a novel wing-type multi-modal piezoelectric ene…
View article: Rancang Bangun Stabilisasi Pengisian Baterai Sepeda Listrik Menggunakan Buck-Boost Converter
Rancang Bangun Stabilisasi Pengisian Baterai Sepeda Listrik Menggunakan Buck-Boost Converter Open
Kemajuan teknologi kendaraan listrik, khususnya sepeda listrik, menuntut sistem pengisian daya yang efisien dan stabil untuk menjaga kinerja dan umur baterai. Penelitian ini bertujuan untuk merancang sistem pengisian daya baterai yang stab…
View article: Circuit parameters configuration.
Circuit parameters configuration. Open
This paper proposes that the control process of the single-phase full bridge inverter circuit is equivalent to two buck circuits, and the control strategy of the DC-DC circuit is adopted to enable the output voltage to track the given sin…
View article: Sine wave output at different C matrices.
Sine wave output at different C matrices. Open
This paper proposes that the control process of the single-phase full bridge inverter circuit is equivalent to two buck circuits, and the control strategy of the DC-DC circuit is adopted to enable the output voltage to track the given sin…
View article: Topologies and Control of Hybrid Transformers with MV-Connected Power Converters
Topologies and Control of Hybrid Transformers with MV-Connected Power Converters Open
In Europe, the low-voltage (LV) grid is expected to supply 230 V to customers. However, due to the voltage drops caused by cable impedance, customers actually receive voltages deviating from the nominal 230 V This variation of voltage depe…
View article: Image 1_The relative voltage index: a novel tailored method to identify left atrial low voltage areas in non-paroxysmal AF.pdf
Image 1_The relative voltage index: a novel tailored method to identify left atrial low voltage areas in non-paroxysmal AF.pdf Open
Background The optimal voltage threshold for determining low voltage areas (LVA) in non-paroxysmal atrial fibrillation (NPAF) is unclear. This study aims to evaluate a patient-specific voltage measurement using the left atrial appendage (L…
View article: Verification of the analytical SFAP calculation.
Verification of the analytical SFAP calculation. Open
a: Large homogeneous environment used for calculations in panel b. Locations of recording electrodes are marked by blue spheres (enlarged for visualization). b: SFAPs calculated in a large homogeneous volume using analytic method compared …
View article: Flowchart of the proposed Adaptive Free-Will Arbitrary Time Sliding Mode Controller (AFWATSMC) used in the voltage loop of the rectifier controller.
Flowchart of the proposed Adaptive Free-Will Arbitrary Time Sliding Mode Controller (AFWATSMC) used in the voltage loop of the rectifier controller. Open
Flowchart of the proposed Adaptive Free-Will Arbitrary Time Sliding Mode Controller (AFWATSMC) used in the voltage loop of the rectifier controller.
View article: Comparison between the response of the AFWATSMC And the ASMC when different loading and different DC volt reference are applied.
Comparison between the response of the AFWATSMC And the ASMC when different loading and different DC volt reference are applied. Open
Comparison between the response of the AFWATSMC And the ASMC when different loading and different DC volt reference are applied.
View article: Load and reference voltage fluctuation disturbance rejection feature of AFWATSMC.
Load and reference voltage fluctuation disturbance rejection feature of AFWATSMC. Open
Load and reference voltage fluctuation disturbance rejection feature of AFWATSMC.
View article: DC output voltage (top left), Error of the DC output voltage (top right) and control signal (bottom) at convergence time of s.
DC output voltage (top left), Error of the DC output voltage (top right) and control signal (bottom) at convergence time of s. Open
DC output voltage (top left), Error of the DC output voltage (top right) and control signal (bottom) at convergence time of s.