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Journal articles on the topic 'Voltage regulator (VR)'

Author: Grafiati

Published: 11 December 2022

Last updated: 31 July 2025

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1

Mohd, Hairi Mohd Zaman, Marzuki Mustafa M., A. Hannan M., and Hussain Aini. "Neural Network Based Prediction of Stable Equivalent Series Resistance in Voltage Regulator Characterization." Bulletin of Electrical Engineering and Informatics 7, no. 1 (2018): 134–42. https://doi.org/10.11591/eei.v7i1.857.

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High demand on voltage regulator (VR) currently requires VR manufacturers to improve their time-to-market, particularly for new product development. To fulfill the output stability requirement, VR manufacturers characterize the VR in terms of the equivalent series resistance (ESR) of the output capacitor because the ESR variation affects the VR output stability. The VR characterization outcome suggests a stable range of ESR, which is indicated in the ESR tunnel graph in the VR datasheet. However, current practice in industry manually characterizes VR, thereby increasing the manufacturing time

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2

Mohd Zaman, Mohd Hairi, M. M. Mustafa, M. A. Hannan, and Aini Hussain. "Neural Network Based Prediction of Stable Equivalent Series Resistance in Voltage Regulator Characterization." Bulletin of Electrical Engineering and Informatics 7, no. 1 (2018): 134–42. http://dx.doi.org/10.11591/eei.v7i1.857.

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High demand on voltage regulator (VR) currently requires VR manufacturers to improve their time-to-market, particularly for new product development. To fulfill the output stability requirement, VR manufacturers characterize the VR in terms of the equivalent series resistance (ESR) of the output capacitor because the ESR variation affects the VR output stability. The VR characterization outcome suggests a stable range of ESR, which is indicated in the ESR tunnel graph in the VR datasheet. However, current practice in industry manually characterizes VR, thereby increasing the manufacturing time

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3

Phanthuna, Nattapong, and Somkieat Thongkeaw. "Voltage Fluctuation Reduction of Industry with Voltage Regulator (VR) on Power Distribution System." Applied Mechanics and Materials 879 (March 2018): 241–47. http://dx.doi.org/10.4028/www.scientific.net/amm.879.241.

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This paper proposes a comparison between two methods of voltage regulation of over sending-end voltage in case of the load located near a substation. The first method is using tab change of power transformer and the other is the installation of voltage regulator in a factory. In the process, voltage level is completely measured before and after the installation of techniques, and is slightly decreased until it approaches to the lowest demand of loads, which can normally operate in the plant. The sequent test results show that the first method, sending-end voltage control via voltage regulator,

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4

Lee, Yih-Der, Wei-Chen Lin, Jheng-Lun Jiang, Jia-Hao Cai, Wei-Tzer Huang, and Kai-Chao Yao. "Optimal Individual Phase Voltage Regulation Strategies in Active Distribution Networks with High PV Penetration Using the Sparrow Search Algorithm." Energies 14, no. 24 (2021): 8370. http://dx.doi.org/10.3390/en14248370.

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This study aimed to propose individual phase voltage regulation strategies using the sparrow search algorithm (SSA) in the IEEE 8500-node large-scale unbalanced distribution network with high photovoltaic (PV) penetration. The proposed approach is capable of individual phase regulation, which coordinates the on-load tap changer (OLTC), voltage regulator (VR), switched capacitor bank (SCB), and volt–var setting controlled by a smart inverter to improve voltage variation and unbalance. Consequently, the change time of VRs, the switched times of SCBs, and the individual phase voltage magnitude an

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5

Liang, Xiaoguo, Jinsong Zhu, Yinghua Ye, and Yuan-Liang Li. "Investigation into PCB Routing Loss for Coupled Inductor Based VR (Voltage Regulator) Design in Server Computing System." Energy and Power Engineering 09, no. 04 (2017): 464–74. http://dx.doi.org/10.4236/epe.2017.94b052.

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6

Olowu, Temitayo O., and Olusola Odeyomi. "Multi-Objective Coordinated Control of Smart Inverters and Legacy Devices." Electronics 14, no. 2 (2025): 297. https://doi.org/10.3390/electronics14020297.

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This work proposes multi-objective two-stage distribution optimal power flow (D-OPF) to coordinate the use of smart inverters (SIs) and existing voltage control legacy devices. The first stage of multi-objective D-OPF aims to solve a mixed-integer nonlinear programming (MINLP) formulation that minimizes both voltage variation and active power loss, with SI modes, SI settings, voltage regulator (VR) taps, and capacitor bank (CB) status as control variables. The Pareto Optimal Solutions obtained from the first-stage MINLP are used to determine the optimal active–reactive power dispatch from the

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7

Ruaa M. Al-dalawi, Ayad Al-Dujaili, and Daniel A. Pereira. "A Comprehensive Review of Multi-Port DC/DC Converters for The Off-Grid System Integration with Renewable Energy Resources." Journal of Techniques 5, no. 2 (2023): 61–73. http://dx.doi.org/10.51173/jt.v5i2.1227.

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Appropriate design of Multi-Port Converter (MPC) topology helps to overcome the difficulties of combining numerous renewable energy sources (RES). In this article, a comprehensive analysis of these MPCs in terms of their topologies, operating principles, various dependability, and overall efficacy is offered. There are two main types of MPCs which are non-isolated and isolated MPCs being coupled in parallel and series configurations to function as multi-input converters. These MPCs can flow the load power in one or both directions for the RES or BESS (battery energy storage system) application

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8

Li, Qiang Li, WanLing Deng, Xiao Yu Ma, and JunKai Huang. "A Novel Low Line Regulation Voltage Reference with No Amplifier." Journal of Circuits, Systems and Computers 27, no. 10 (2018): 1850152. http://dx.doi.org/10.1142/s0218126618501529.

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A novel low line regulation voltage reference (VR) without an amplifier is presented in this paper. The design is achieved by subtracting two voltages which have the same temperature curves. All circuits use only one Bipolar Junction Transistor (BJT) to decrease the area greatly. Designed with the SMIC 0.18[Formula: see text][Formula: see text]m CMOS process, the simulation results show that the output voltage is 0.902[Formula: see text]V at TT process corner when the power supply is larger than 1.7[Formula: see text]V. The temperature coefficient (TC) is 3.6[Formula: see text]ppm/[Formula: se

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9

Gour, Ritika, and Vishal Verma. "Comparative Performance of DVR and STATCOM for Voltage Regulation in Radial Microgrid with High Penetration of RES." International journal of electrical and computer engineering systems 13, no. 9 (2022): 831–37. http://dx.doi.org/10.32985/ijeces.13.9.12.

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In recent years, the penetration of renewable energy sources (RES) in microgrids and distribution system feeders has increased manifold. Moreover, the advancement of power electronics-based devices in the distribution system has significantly increased the number of sensitive loads. Variations in the voltage under intermittent RES create functional problems with sensitive loads, necessitating voltage regulators (VR) installation. In this paper, two custom power devices: dynamic voltage restorer (DVR) and static synchronous compensator (STATCOM), used for voltage regulation in a microgrid, are

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10

Tarigan, Kerista, Timbangen Sembiring Timbangen, Widya Simamora, Berto Simamora, and Robin Simatupang. "A Adjustable power supply assembly and training on the physics laboratory at YPK Masehi Berastagi." ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat 4, no. 2 (2019): 129–37. http://dx.doi.org/10.32734/abdimastalenta.v4i2.3210.

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Adjustable power supply assembly and training have been conducted to private YPK Berastagi high school students in Berastagi District, Karo. This activity was carried out in partnership with the University of North Sumatra in the form of community service. The purpose of the training and making of this study program is to improve the teaching activities of the theory and practice of the field of electronic physics to partners. The training and making of the study program were carried out using the theory understanding method, assembling and testing it. The main components and functions used ar

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11

Skvortsov, O. N., and I. Yu Reznichenko. "Improving the Labeling Quality of Low-Voltage Products Through Consumer Preference Analysis." Quality and life 29, no. 1 (2021): 35–39. http://dx.doi.org/10.34214/2312-5209-2021-29-1-35-39.

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Marking is one of the important means of providing the consumer with basic information about the properties and characteristics of the product and the conditions of its operation. Smartphones, tablets and VR glasses are used in our lives for various purposes. For work, entertainment, self-education and much more. At the moment, the requirements for the labeling of low-voltage consumer goods are regulated by TR CU 020/2011, but not always, the information indicated on the labeling or in the operational documents is fully provided and complies with these requirements. The aim of the work was to

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12

Seguel, Julio López, and Seleme I. Seleme. "Robust Digital Control Strategy Based on Fuzzy Logic for a Solar Charger of VRLA Batteries." Energies 14, no. 4 (2021): 1001. http://dx.doi.org/10.3390/en14041001.

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This paper presents the design and implementation of a digital control strategy for a Buck converter, used as a solar charger of valve-regulated lead acid (VRLA) batteries. The control system consists of two fuzzy logic controllers (FLCs), which adjust the appropriate increment of the converter duty cycle based on battery state of charge according to a three-stage charging scheme. One FLC works as a maximum power point tracker (FLC-MPPT), while the other regulates the battery voltage (FLC-VR). This approach of using two different set of membership functions overcomes the limitations of the bat

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13

O'Sullivan, Eugene J. "(Invited) Electrochemistry: Adventures in Metallization." ECS Meeting Abstracts MA2022-02, no. 30 (2022): 1081. http://dx.doi.org/10.1149/ma2022-02301081mtgabs.

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Microelectronics has benefited enormously from electrochemistry, particularly in metallization. Metallizing through-holes in multilevel printed circuit boards was a major, successful application of electroless Cu (1). Electroless Co-based magnetic films deposited on non-magnetic electroless nickel films on rigid aluminum disks propelled the magnetic storage industry for years. A decade or more ago, it looked as if electroless Co(W)(P) was the ideal candidate to replace PVD Ta-based liners for CMOS back-end-of-line (BEOL) builds (2). Its cost undid it, however, despite meeting selectivity, diff

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14

Shi, Yue, Anqi Wang, Jianwen Cao, and Zekun Zhou. "A Transient-Enhanced Voltage Regulator with Stability and Power-Supply-Rejection Boosting." Nanoscale Research Letters 14, no. 1 (2019). http://dx.doi.org/10.1186/s11671-019-3215-4.

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AbstractA high-stability voltage regulator (VR) is proposed in this paper, which integrates transient enhancement and overcurrent protection (OCP). Taken into consideration the performance and area advantages of low-voltage devices, most control parts of proposed VR are supplied by the regulated output voltage, which forms self-power technique (SPT) with power supply rejection (PSR) boosting. Besides, the stability and transient response are enhanced by dynamic load technique (DLT). An embedded overcurrent feedback loop is also adopted to protect the presented VR from damage under overload sit

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15

"Constant on Time Controller for Voltage Regulator with and without Adaptive Voltage Positioning." Regular 9, no. 10 (2020): 322–28. http://dx.doi.org/10.35940/ijitee.j7514.0891020.

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Advancement in electronics prompted for incremental usage of power supplies in digital circuits. In devices such as Central Processing Unit (CPU), Graphic Processing Unit (GPU) a Voltage regulator (VR) is utilized for microprocessors powering application. During load transients, microprocessor input voltage losses stability. High speed devices need quick response from the converters under transient conditions. Therefore, futuristic electronic devices demand a VR with new control schemes to operate at low operating voltage with improved efficiency thereby improving light load efficiency. In thi

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16

Ibrahim, Nader M. A., Attia A. El-Fergany, and Bassam A. Hemade. "Enhancing power system stability by coordinating a wind turbine voltage regulator and lead-lag power system stabilizer using GOOSE optimization." Scientific Reports 15, no. 1 (2025). https://doi.org/10.1038/s41598-025-97419-z.

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Abstract Integrating wind energy into power systems can negatively impact stability by reducing oscillation damping. Wind Turbine Voltage Regulators (WT VRs) are designed to manage reactive power and maintain voltage stability; however, they often do not coordinate effectively with Power System Stabilizers (PSS) from synchronous generators (SG). This study utilizes the GOOSE Optimization Algorithm (GOA) to optimize and coordinate the gains of the WT proportional-integral virtual regulator (WT PI-VR) and the SG proportional-integral-type lead-lag PSS (PI-type LL-PSS), to enhance power system st

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17

"Estimation of Failure State of Buck Voltage Regulator." International Journal of Recent Technology and Engineering 8, no. 2S8 (2019): 1858–62. http://dx.doi.org/10.35940/ijrte.b1169.0882s819.

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Failure Mode Effect and Diagnostic Analysis is typical way to define Failure in time for a given design by performing fault analysis on each element of the design. However it may not always accurately determine the erroneous state for a self-correcting designs. An example of self-correcting designs is a buck voltage regulator in which output and required voltage are continuously compared to achieve desired output voltage. This paper assess the true failure state of a buck regulator by performing FMEDA in detail and with reasonable failure probability on each element a MARKOV state model is app

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18

Clerx, Michael, Gary R. Mirams, Albert J. Rogers, Sanjiv M. Narayan, and Wayne R. Giles. "Immediate and Delayed Response of Simulated Human Atrial Myocytes to Clinically-Relevant Hypokalemia." Frontiers in Physiology 12 (May 26, 2021). http://dx.doi.org/10.3389/fphys.2021.651162.

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Although plasma electrolyte levels are quickly and precisely regulated in the mammalian cardiovascular system, even small transient changes in K+, Na+, Ca2+, and/or Mg2+ can significantly alter physiological responses in the heart, blood vessels, and intrinsic (intracardiac) autonomic nervous system. We have used mathematical models of the human atrial action potential (AP) to explore the electrophysiological mechanisms that underlie changes in resting potential (Vr) and the AP following decreases in plasma K+, [K+]o, that were selected to mimic clinical hypokalemia. Such changes may be associ

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19

Mohamed, Essam E. M., and Mahmoud S. R. Saeed. "T-type multilevel inverter-fed interior PM machine drives based on the voltage regulation feedback and the model predictive control." Electrical Engineering, November 17, 2023. http://dx.doi.org/10.1007/s00202-023-02094-w.

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AbstractThe tracking of optimal current trajectories in an interior permanent magnet (IPM) synchronous machine is traditionally realized by a complex online tracking, inaccurate analytical equations, or tiresome offline calibration methods. This paper proposes a modified hybrid feed-forward/feedback flux-weakening algorithm for IPM synchronous machines. In this paper, the utilized power converter is a standard T-type multilevel inverter, and hence, the voltage and current harmonics contents of the conventional two-level inverter are improved. The control algorithm utilizes the optimal current

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20

Correa, Patrick Michael Motta, Thelma Solange Piazza Fernandes, and Mateus Duarte Teixeira. "Allocation of Series Capacitors Bank in Electric Power Distribution Systems." Brazilian Archives of Biology and Technology 68 (2025). https://doi.org/10.1590/1678-4324-2025240463.

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Abstract To ensure the quality of the energy in distribution networks, configurations of voltage regulators (VRs) and Shunt Capacitor Banks (BCshunts) are traditionally used along the feeders. Series Capacitors Bank (BCseries) along the feeders can also help to improve the power quality. In this paper, a strategy is proposed based on a mathematical formulation for an optimization problem where the aim is to allocate and size BCshunts and VRs (as traditionally implemented in the electricity sector) together with BCseries in distribution networks. These devices are allocated using Genetic Algori

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21

Gupta, Ankush, and Sathans Suhag. "A control strategy incorporating multiple EV charging stations for an islanded micro‐grid energy management and voltage regulation." Energy Storage, January 2024. http://dx.doi.org/10.1002/est2.548.

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AbstractAn electric vehicle (EV) charging station control strategy (CSCS) is proposed for proper power‐sharing among various components of an islanded microgrid (MG), consisting of the photovoltaic (PV) system, the wind energy conversion system (WECS), variable load (critical and non‐critical), multiple charging stations (CSs) and the dump load (LD). The proposed control strategy is examined in three distinct cases with varying operating conditions owing to solar irradiance, wind speed and load variations. For proper energy management (EM) and voltage regulation (VR), the diverse EVs have vary

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