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Journal articles on the topic 'Penetration circuit'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Liu, Qing, Heming Wang, Fangxu Lyu, Geng Zhang, and Dongbin Lyu. "A Low-Latency, Low-Jitter Retimer Circuit for PCIe 6.0." Electronics 12, no. 14 (2023): 3102. http://dx.doi.org/10.3390/electronics12143102.

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As the PCIe 6.0 specification places higher requirements on signal integrity and transmission latency, it becomes especially important to improve signal transmission performance at the physical layer of the transceiver interface. Retimer circuits are a key component of high-speed serial interfaces, and their delay and jitter size directly affect the overall performance of PCIe. For the typical retimer circuit with large-latency and low-jitter performance, this paper proposes a low-latency and low-jitter Retimer circuit based on CDR + PLL architecture for PCIe 6.0, using a jitter-canceling filt

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2

Liu, Yiqun, Yitian Li, Y. Gene Liao, and Ming-Chia Lai. "Effects of State-of-Charge and Penetration Location on Variations in Temperature and Terminal Voltage of a Lithium-Ion Battery Cell during Penetration Tests." Batteries 7, no. 4 (2021): 81. http://dx.doi.org/10.3390/batteries7040081.

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The nail penetration test has been widely adopted as a battery safety test for reproducing internal short-circuits. In this paper, the effects of cell initial State-of-Charge (SOC) and penetration location on variations in cell temperature and terminal voltage during penetration tests are investigated. Three different initial SOCs (10%, 50%, and 90%) and three different penetration locations (one is at the center of the cell, the other two are close to the edge of the cell) are used in the tests. Once the steel cone starts to penetrate the cell, the cell terminal voltage starts to drop due to

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3

Liu, Xinyu, Zhifu Zhou, Weitao Wu, et al. "Three-Dimensional Modeling for the Internal Shorting Caused Thermal Runaway Process in 20Ah Lithium-Ion Battery." Energies 15, no. 19 (2022): 6868. http://dx.doi.org/10.3390/en15196868.

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Better understanding of how internal short circuit causes thermal runaway will benefit the engineering for safer lithium-ion batteries. In this study, three-dimensional (3D) numerical simulations of a 20Ah lithium battery under internal shorting condition are performed. The effects of internal short circuit area, resistance, penetration depth, convective heat transfer coefficient and internal short circuit position, on the thermal runaway are investigated with the simulations in this work. This study demonstrates that the average cell temperature is only weakly affected by the internal short c

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Maghami, Mohammad Reza, Jagadeesh Pasupuleti, and Chee Mei Ling. "Impact of Photovoltaic Penetration on Medium Voltage Distribution Network." Sustainability 15, no. 7 (2023): 5613. http://dx.doi.org/10.3390/su15075613.

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Nowadays, large-scale solar penetration into the grid and the intermittent nature of PV systems are affecting the operation of distribution networks. This paper aims to investigate the effect of PV penetration on a typical medium-voltage distribution network in Malaysia. The main objectives of this study are to investigate voltage stability, power loss, and short circuit under two conditions: peak load and no load. The network is evaluated using two methods: static and dynamic analysis, utilizing the Digsilent Power Factory software. The network comprises two 33/11 kV parallel transformers con

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Ahmad, Sandy, Azriyenni Azhari Zakri, Muchamad Oktaviandri, Wahri Sunanda, and Aris Suryadi. "Penetration of DWT & ANFIS to Power Transmission Disturbances." International Journal of Electrical, Energy and Power System Engineering 6, no. 1 (2023): 105–12. http://dx.doi.org/10.31258/ijeepse.6.1.105-110.

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This study proposes a hybrid method to classify and estimate the location of short circuit disturbance on power transmission lines. The hybrid method uses Discrete Wavelet Transform (DWT) and Adaptive Neuro-Fuzzy Inference System (ANFIS). The transmission system is implemented in a real system, in which the electric power transmission system on the KP bus to the GS bus is with a length of 64 Km. The DWT is used to process information from each phase voltage and current transient signal as well as the zero-sequence current for one cycle after the disturbance has started. The ANFIS classificatio

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Liu, Siyi, Shan Huang, Mary Kate Long, Qian Zhou, Kent Snyder, and Guangsheng Zhang. "(Digital Presentation) In Situ Measurement of Internal Short Circuit Resistance during Nail Penetration of Lithium-Ion Cells." ECS Meeting Abstracts MA2022-01, no. 2 (2022): 173. http://dx.doi.org/10.1149/ma2022-012173mtgabs.

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Internal short circuit (ISC) is one of the main causes of lithium-ion cell thermal runaway in field failures. Nail penetration has been widely used to trigger ISC for evaluation of thermal runaway risks. Previous modeling studies1 , 2 revealed that ISC resistance greatly influences heat generation and thermal runaway risk, but there are few reports on experimental measurement of ISC resistance during nail penetration3. Furthermore, ISC resistance was assumed to be constant in these modeling and experimental studies. However, our recent experiments4 , 5 suggested that ISC resistance changes dra

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Liu, Chang, Xiangyu Lv, Li Guo, Lixia Cai, and Kuo Su. "Control Strategy for Power Loss Reduction considering Load Variation with Large Penetration of Distributed Generation." Advances in Electrical Engineering 2017 (February 15, 2017): 1–6. http://dx.doi.org/10.1155/2017/5764054.

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With the increase of penetration of distribution in distribution systems, the problems of power loss increase and short-circuit capacity beyond the rated capacity of the circuit breaker will become more serious. In this paper, a methodology (modified BPSO) is presented for network reconfiguration which is based on the hybrid approach of Tabu search and BPSO algorithms to prevent the local convergence and to decrease the calculation time using double fitness to consider the constraints. Moreover, an average load simulated method (ALS method) considering load variation is proposed such that the

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Jia, Yikai, Binghe Liu, Zhiguo Hong, Sha Yin, Donal P. Finegan, and Jun Xu. "Safety issues of defective lithium-ion batteries: identification and risk evaluation." Journal of Materials Chemistry A 8, no. 25 (2020): 12472–84. http://dx.doi.org/10.1039/d0ta04171h.

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Lithium-ion batteries inevitably suffer minor damage or defects caused by external mechanical abusive loading, e.g., penetration, deformation, and scratch without triggering a hard/major short circuit.

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Agustinus, Alpha, and Budi Sudiarto. "Optimization and Short-Circuit Analysis of Photovoltaic Penetration in Off-grid System – A Case Study in Newmont Suriname Gold Mine." Jurnal Pendidikan Teknologi Kejuruan 6, no. 2 (2023): 113–19. http://dx.doi.org/10.24036/jptk.v6i2.32023.

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Mining companies are highly dependent on fossil fuels to meet their electricity needs and mining activities such as the use of heavy equipment. Therefore, the greenhouse gas emissions due to burning of fossil fuels have become a major issue related to the impact on the environment due to mining activities. Renewable energy such as Photovoltaic (PV) can be an alternative solution to overcome this problem. This study aims to examine the optimal penetration of Photovoltaic (PV) at Processing Plant Newmont Suriname gold mine. HOMER software is used to design the most optimal Photovoltaic (PV) pene

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Satti, Afraiz Tariq, Jinsoo Park, Jangwoong Park, Hansang Kim, and Sungbo Cho. "Fabrication of Parylene-Coated Microneedle Array Electrode for Wearable ECG Device." Sensors 20, no. 18 (2020): 5183. http://dx.doi.org/10.3390/s20185183.

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Microneedle array electrodes (MNE) showed immense potential for the sensitive monitoring of the bioelectric signals by penetrating the stratum corneum with high electrical impedance. In this paper, we introduce a rigid parylene coated microneedle electrode array and portable electrocardiography (ECG) circuit for monitoring of ECG reducing the motion artifacts. The developed MNE showed stability and durability for dynamic and long-term ECG monitoring in comparison to the typical silver-silver chloride (Ag/AgCl) wet electrodes. The microneedles showed no mechanical failure under the compression

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Vargas, Murillo Cobe, Oureste Elias Batista, and Yongheng Yang. "Estimation Method of Short-Circuit Current Contribution of Inverter-Based Resources for Symmetrical Faults." Energies 16, no. 7 (2023): 3130. http://dx.doi.org/10.3390/en16073130.

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This paper proposes a practical approach to estimate the symmetrical short-circuit current (SCC) levels in overcurrent protection devices (OCPDs) installed on radial feeders for any penetration level of inverter-based distributed energy resources (DERs). The proposed method restores the lost phase protection coordination by estimating SCC values and changing the TMS of OCPDs accordingly. The method is validated by comparing the results with simulations on the IEEE 34-Node Test Feeder using MATLAB/Simulink, which shows an average error of 1.5% and a maximum error of 3.0%. For a 100% penetration

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Maghami, Mohammad Reza, Jagadeesh Pasupuleti, and Chee Mei Ling. "A Static and Dynamic Analysis of Photovoltaic Penetration into MV Distribution Network." Processes 11, no. 4 (2023): 1172. http://dx.doi.org/10.3390/pr11041172.

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Photovoltaic (PV) systems are becoming increasingly prevalent worldwide, particularly in power distribution networks. However, their intermittency and integration into distribution networks can have adverse effects. This study investigates the impact of large-scale solar integration into a typical Malaysian power grid network, focusing on voltage stability, short circuits, and power loss under peak and no-load conditions. Using Digsilent Power Factory software, static and dynamic power flow analyses were performed on a network consisting of two 132/11 kV transformers, an 11 kV busbar, and 112

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Akeyo, Oluwaseun M., Aron Patrick, and Dan M. Ionel. "Study of Renewable Energy Penetration on a Benchmark Generation and Transmission System." Energies 14, no. 1 (2020): 169. http://dx.doi.org/10.3390/en14010169.

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Significant changes in conventional generator operation and transmission system planning will be required to accommodate increasing solar photovoltaic (PV) penetration. There is a limit to the maximum amount of solar that can be connected in a service area without the need for significant upgrades to the existing generation and transmission infrastructure. This study proposes a framework for analyzing the impact of increasing solar penetration on generation and transmission networks while considering the responses of conventional generators to changes in solar PV output power. Contrary to trad

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14

De-Jesús-Grullón, Ramón E., Rafael Omar Batista Jorge, Abraham Espinal Serrata, Justin Eladio Bueno Díaz, Juan José Pichardo Estévez, and Nestor Francisco Guerrero-Rodríguez. "Modeling and Simulation of Distribution Networks with High Renewable Penetration in Open-Source Software: QGIS and OpenDSS." Energies 17, no. 12 (2024): 2925. http://dx.doi.org/10.3390/en17122925.

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There are important challenges in modeling large electrical distribution circuits, especially with the presence of distributed renewable generation. Constructing simulations to assess the effect of the penetration of distributed generation on electrical distribution networks has become of great importance for Distribution Network Operators (DNOs). This paper proposes a simulation strategy based on open-source platforms and the integration of scripting tools for the rapid modeling of large-scale electrical distribution circuits with distributed renewable generation. The implementation is based

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15

Chou, Fang-Chieh, Alben Rome Bagabaldo, and Alexandre M. Bayen. "The Lord of the Ring Road: A Review and Evaluation of Autonomous Control Policies for Traffic in a Ring Road." ACM Transactions on Cyber-Physical Systems 6, no. 1 (2022): 1–25. http://dx.doi.org/10.1145/3494577.

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This study focuses on the comprehensive investigation of stop-and-go waves appearing in closed-circuit ring road traffic wherein we evaluate various longitudinal dynamical models for vehicles. It is known that the behavior of human-driven vehicles, with other traffic elements such as density held constant, could stimulate stop-and-go waves, which do not dissipate on the circuit ring road. Stop-and-go waves can be dissipated by adding automated vehicles (AVs) to the ring. Thorough investigations of the performance of AV longitudinal control algorithms were carried out in Flow, which is an integ

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Srivastava, Sachin, U. J. Shenoy, Abhinna Chandra Biswal, and Ganesan Sethuraman. "Impedance seen by Distance Relays on Lines Fed from Fixed Speed Wind Turbines." International Journal of Emerging Electric Power Systems 14, no. 1 (2013): 17–24. http://dx.doi.org/10.1515/ijeeps-2013-0026.

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Abstract This paper deals with line protection challenges experienced in a system having substantial wind generation penetration. Two types of generators, thermal synchronous generators and fixed speed wind turbines based on squirrel-cage induction generators, are simulated as thevenin equivalent model, connected to grid with single-circuit transmission line. The paper gives comparative discussion and summarizes analytical investigations carried out on the impedance seen by distance relays by varying fault resistances and grid short circuit MVA, for the protection of such transmission lines du

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17

Sultan, Hamdy, Ahmed Diab, Oleg Kuznetsov, Ziad Ali, and Omer Abdalla. "Evaluation of the Impact of High Penetration Levels of PV Power Plants on the Capacity, Frequency and Voltage Stability of Egypt’s Unified Grid." Energies 12, no. 3 (2019): 552. http://dx.doi.org/10.3390/en12030552.

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In this paper, the impact of integrating photovoltaic plants (PVPs) with high penetration levels into the national utility grid of Egypt is demonstrated. Load flow analysis is used to examine the grid capacity in the case of integrating the desired PVPs and computer simulations are also used to assess the upgrading of the transmission network to increase its capacity. Furthermore, the impact of increasing the output power generated from PVPs, during normal conditions, on the static voltage stability was explored. During transient conditions of operation (three-phase short circuit and outage of

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18

Guo, Hui, Shuai Zheng, Donghai Zhang, Pengfei Gao, Wenzhe Miao, and Zongliang Zuo. "Effects on Frequency Stability of Power System for Photovoltaic High-Penetration Ratio Grid-Connected Power Generation." Energies 16, no. 3 (2023): 1308. http://dx.doi.org/10.3390/en16031308.

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In this paper, the effects of three typical operation modes, namely short-circuit fault, load change, and chemical energy storage on the frequency of a regional power grid after photovoltaic asynchronous interconnection were studied with different penetration ratios, taking the power grid in Northern Henan Province as the research object. It was found that with an increase in the photovoltaic penetration ratio, the maximum value of the system frequency and the fluctuation amplitude gradually increased, and the power grid system in Northern Henan became less and less stable. With an increase in

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Mangunkusumo, Kevin Gausultan Hadith, Arwindra Rizqiawan, Sriyono Sriyono, Buyung Sofiarto Munir, Putu Agus Pramana, and Muhamad Ridwan. "Enhancing Grid Stability in Renewable Energy Systems Through Synchronous Condensers: A Case Study on Dedieselization and Assessment Criteria Development." Energies 18, no. 6 (2025): 1410. https://doi.org/10.3390/en18061410.

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The dedieselization program is one of the PLN’s (Indonesia’s state-owned utility company) programs to reduce the greenhouse gas effect. The program manifestation is the integration of photovoltaic (PV) systems into isolated island networks by substituting diesel generators. This condition introduces challenges such as diminished system strength, specifically, decreased frequency and voltage stability. This study focuses on Panjang Island, one of the target locations for the PLN’s dedieselization program, which currently relies entirely on diesel generators for electricity. As part of the trans

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Hsieh, Shih Chieh, Chao Shun Chen, Chia Hung Lin, Wei Lin Hsieh, and Cheng Ting Hsu. "Determination of Maximum PV Integration Capacity for Distribution System." Advanced Materials Research 1030-1032 (September 2014): 1300–1304. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.1300.

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This paper is aimed to determine the maximum penetration levels of solar photovoltaic (PV) systems in distribution feeders to fully utilize the solar energy for a cleaner environment by taking into account the mutual coupling effect between phase conductors. The equivalent circuit models for distribution line segments including the grounding effect and the mutual coupling between phase conductors and the grounded neutral line are applied in the computer simulation. A practical Taipower distribution feeder is selected for system analysis to study the maximum PV penetration with the proposed pre

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Covington, Derek B., Charlotte Sadler, Anthony Bielawski, Gareth Lock, and Andrew Pitkin. "Is more complex safer in the case of bail-out rebreathers for extended range cave diving?" Diving and Hyperbaric Medicine Journal 52, no. 1 (2022): 49–53. http://dx.doi.org/10.28920/dhm52.1.49-53.

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Nowhere is redundancy more indispensable than extended range cave diving. Training and practice in this discipline ensure divers are equipped with backup regulators, gauges, lights, and adequate breathing gas for a safe exit, emergencies, and decompression. Depending on penetration distances and depth, open circuit cave diving may require carrying more gas cylinders than can be logistically managed by the diver themselves while maintaining safe gas supply margins. Consequently, divers are forced to either stage cylinders in the cave prior to the dive or rely on resupply from support divers. Bo

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Chuamuangphan, Pipat, C. Chuamuangphan, and Kamchai Treechairusme. "The Superconducting Magnetic Properties of YBCO Effect on the Inductance of Coil." Advanced Materials Research 93-94 (January 2010): 668–71. http://dx.doi.org/10.4028/www.scientific.net/amr.93-94.668.

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The effect of the magnetic properties of YBCO superconductors on the inductance of coil were studied in order to the dependence on temperature of effective penetration depth and the variation potential difference for damped oscillation in RLC series circuit. In this work, The samples of YBa2Cu3-xAgxO7- were prepared by solid state reaction in air at 950 ๐C for 24 hr. serves as the core of solenoids. The inductance of solenoids changes up with the increasing of temperature from boiling point of liquid nitrogen (77 K) to room temperature had been measured. Then we calculated to the effective pe

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Saad, N. Md, M. Z. Sujod, Lee Hui Ming, et al. "Impacts of Photovoltaic Distributed Generation Location and Size on Distribution Power System Network." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 2 (2018): 905. http://dx.doi.org/10.11591/ijpeds.v9.i2.pp905-913.

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As the rapid development of photovoltaic (PV) technology in recent years with the growth of electricity demand, integration of photovoltaic distributed generation (PVDG) to the distribution system is emerging to fulfil the demand. There are benefits and drawbacks to the distribution system due to the penetration of PVDG. This paper discussed and investigated the impacts of PVDG location and size on distribution power systems. The medium voltage distribution network is connected to the grid with the load being supplied by PVDG. Load flow and short circuit calculation are analyzed by using DigSI

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Li, Xinlu, Yu Zhao, Yang Ruan, et al. "Enduring assessment of sealing effectiveness in electrical penetration assemblies under short circuit." Measurement 255 (November 2025): 118058. https://doi.org/10.1016/j.measurement.2025.118058.

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Kim, Hyojeong, Hans Jürgen Seifert, Carlos Ziebert, and Jochen Friedl. "Needle Penetration Studies on the Dynamics during Internal Short Circuits in Automotive Lithium-Ion Cells: Measurement of Internal Temperature and Short Circuit Current." ECS Meeting Abstracts MA2023-02, no. 3 (2023): 465. http://dx.doi.org/10.1149/ma2023-023465mtgabs.

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Lithium-ion batteries (LIBs) have been widely applied in consumer electronic devices and electric vehicles for energy storage. Especially for the battery electric vehicles (BEVs), it is desirable to increase the volumetric energy density of LIB cells due to the limitation of a further volumetric expansion of the battery pack, which amounts to currently 220-400 L depending on the size of the BEV [1]. As an example, the capacity of the Li-ion battery pack in BMW i3s has been improved from 60 Ah over 94 Ah to 120 Ah over the course of a few years. Along with this trend of increasing energy densit

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Wei, Qun, Dae Guen Hwang, Zia Mohy Ud Din, and Jin Ho Cho. "Development of a Portable Drug Delivery System Using Iontophoresis for Alopecia Treatment." Applied Mechanics and Materials 110-116 (October 2011): 2010–14. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.2010.

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This study presents the development of a drug delivery system using iontophoresis for alopecia treatment. A alopecia is a medical description which means loss of hair from the body. To treat this condition, the drugs for alopecia treatment need to be delivered into the scalp. Therefore, iontophoresis was used in a portable drug delivery system to enhance the penetration of the drug delivery. The designed system consisted of a drug container, iontophoresis circuit board and rechargeable battery. According to the results, the iontophoresis circuit board performed well along with the designed dru

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Zheng, Wang, Jiang, and He. "A Novel Machine Learning-Based Short-Circuit Current Prediction Method for Active Distribution Networks." Energies 12, no. 19 (2019): 3793. http://dx.doi.org/10.3390/en12193793.

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The traditional mechanism models used in short-circuit current calculations have shortcomings in terms of accuracy and speed for distribution systems with inverter-interfaced distributed generators (IIDGs). Faced with this issue, this paper proposes a novel data-driven short-circuit current prediction method for active distribution systems. This method can be used to accurately predict the short-circuit current flowing through a specified measurement point when a fault occurs at any position in the distribution network. By analyzing the features related to the short-circuit current in active d

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Ahmed Qasim Abdullah. "Simulation of Organic Coating Penetration on Metal Using Impedance Spectroscopy." Journal of Wasit for Science and Medicine 5, no. 1 (2024): 595–605. http://dx.doi.org/10.31185/jwsm.484.

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This paper proposes an alternative model for simulating electrochemical impedance spectra of protective organic coatings on the metal substrate. It describes broadening of the semicircle in the complex plane (Nyquistplot) and Bode plots behavior using commercial software Software ZSimpWin 3.22 in the absence and with of corrosion reactions. Before this process, the appropriate modified electrical equivalent circuit had selected where constant phase element had used instead of a capacitor for reach to reality. The result helps to understand the system under study i.e. the change of impedance be

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Cheng, Xiaoping, Xiaojun Tang, Qidi Huo, Yan Xie, Ziqi Wang, and Wenman Gao. "Analysis of Short-Circuit Fault Current Characteristics on AC Side of Wind-PV-Storage Integrated Grid Connected System." Journal of Physics: Conference Series 2503, no. 1 (2023): 012014. http://dx.doi.org/10.1088/1742-6596/2503/1/012014.

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Abstract The penetration rate of Wind-Soloar-Storage integrated grid-connected systems in the power grid is getting higher and higher. However, the mechanism of its influence on the short-circuit current is still not deeply understood. This paper analyzes the low-voltage ride-through and reactive power compensation strategies of a Wind-PV-Storage integrated grid-connected system; the short-circuit process of the AC side is studied, and the voltage sag degree and limiting link affect the steady amplitude and phase of the current. Through establishing the Wind-PV-Storage integrated grid connecte

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Charoenwattana, Praphawadee, and Umarin Sangpanich. "Rooftop Photovoltaic-Battery Systems to Mitigate Overvoltage and Under Voltage in a Residential Low Voltage Distribution System." E3S Web of Conferences 190 (2020): 00028. http://dx.doi.org/10.1051/e3sconf/202019000028.

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High penetration of rooftop photovoltaic systems in a residential low voltage distribution system has to be controlled in order to maintain stable voltage condition. Energy storage systems, such as batteries, can be used to absorb excess energy of photovoltaic systems and to shave peak load during on-peak time. This paper proposes guiding principles for the incorporation of energy storage systems into a residential low voltage distribution system with high penetration of rooftop photovoltaic systems. Real residential distribution system circuits and all parameters from the Geographic Informati

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Ariyo, Funso Kehinde, Oluwafemi Aworo, and Michael Kuku. "Design of Fast Cycloconverter-Based Battery-Charging Circuit for High Penetration of Electric Vehicles." International Journal of Engineering Research in Africa 50 (September 2020): 64–69. http://dx.doi.org/10.4028/www.scientific.net/jera.50.64.

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There have been growing concerns involving the penetration of Electric Vehicles (EVs) due to the time required by its battery to attain full charge. Interests in EVs had recently experienced a dramatic turn down due to mileage limitation on full battery charge amidst the cost of purchase, but most notably due to the absence of quick chargers that can keep the vehicle on the road within few minutes of arriving at the charging station. Researchers had proposed different charging schemes such as level II ac charging, dc charging, and in some cases, wireless charging schemes that later appear to b

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Ouyang, Jinxin, Rui Tao, Shoudong Xu, and Bofei Yang. "Short-circuit calculation and adaptive distance protection for high penetration photovoltaic distribution network." Electric Power Systems Research 240 (March 2025): 111281. http://dx.doi.org/10.1016/j.epsr.2024.111281.

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Tuballa, M. L., and M. L. S. Abundo. "Operational Impact of RES Penetration on a Remote Diesel-Powered System in West Papua, Indonesia." Engineering, Technology & Applied Science Research 8, no. 3 (2018): 2963–68. http://dx.doi.org/10.48084/etasr.1984.

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When a new power source connects to the distribution or transmission grid, an assessment of its impact is necessary. Technical studies must assess the possible effects of a proposed expansion, reinforcement or modification to evaluate the possible incidents that may occur. Typically, the calculations or analyses done are load flow, short-circuit, and transient stability. The possible renewable energy (RE) sources are determined first. The details of the existing electrical system, including the specifications for the elements used, are obtained and logical assumptions are utilized for those th

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Tuballa, Maria Lorena L., and Michael Lochinvar S. Abundo. "Operational Impact of RES Penetration on a Remote Diesel-Powered System in West Papua, Indonesia." Engineering, Technology & Applied Science Research 8, no. 3 (2018): 2963–68. https://doi.org/10.5281/zenodo.1400531.

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When a new power source connects to the distribution or transmission grid, an assessment of its impact is necessary. Technical studies must assess the possible effects of a proposed expansion, reinforcement or modification to evaluate the possible incidents that may occur. Typically, the calculations or analyses done are load flow, short-circuit, and transient stability. The possible renewable energy (RE) sources are determined first. The details of the existing electrical system, including the specifications for the elements used, are obtained and logical assumptions are utilized for those th

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Shehata, Abdelazeem H., Amgad A. El-Deib, and Zeinab H. Osman. "New Approach of Calculation the Steady State Symmetrical Fault Current for Type 4 Wind Power Plants." International Journal of Engineering Research in Africa 48 (May 2020): 162–78. http://dx.doi.org/10.4028/www.scientific.net/jera.48.162.

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With the increasing penetration of the distributed generation driven by renewable energy in distribution systems, there is a need to analysis fault currents for the next generation utility and smart grid systems. The steady state fault current contribution from Type 4 wind turbines is not calculated accurately by traditional short circuit analysis techniques. A new formulation for calculating the short circuit current sharing from voltage source converter wind turbines is presented, and taken into consideration the real behaviour of the type 4 WT during three phase short circuit in the electri

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Phan, Binh Thi Thanh, and Thien Ngoc Ho. "Analyzing the impact of wind generation on the transient stability." Science and Technology Development Journal 18, no. 3 (2015): 86–91. http://dx.doi.org/10.32508/stdj.v18i3.889.

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The wind generation causes some troubles on the stability of power network. Observing the critical clearing time of circuit breaker with existence of wind generation, one conclusion about the degrading of stability will be drawn. The location and the penetration level of this generation are also considered in this paper. The 14 buses IEEE network is examined with the soft ware PSAT.

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Alizadeh, Seyed Morteza, Sakineh Sadeghipour, Cagil Ozansoy, and Akhtar Kalam. "Developing a Mathematical Model for Wind Power Plant Siting and Sizing in Distribution Networks." Energies 13, no. 13 (2020): 3485. http://dx.doi.org/10.3390/en13133485.

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Wind Power Plants (WPPs) are generally located in remote areas with weak distribution connections. Hence, the value of Short Circuit Capacity (SCC), WPP size and the short circuit impedance angle ratio (X/R) are all very critical in the voltage stability of a distribution system connected WPP. This paper presents a new voltage stability model based on the mathematical relations between voltage, the level of wind power penetration, SCC and X/R at a given Point of Common Coupling (PCC) of a distribution network connected WPP. The proposed model introduces six equations based on the SCC and X/R v

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Wang, Yao, Guanghui Chang, Kefan Han, Xiaopeng Qian, Zhizhou Bao, and Dejie Sheng. "Parameter Design of a Self-Generated Power Current Transformer of an Intelligent Miniature Circuit Breaker Based on COMSOL." Electronics 13, no. 12 (2024): 2285. http://dx.doi.org/10.3390/electronics13122285.

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With the deep penetration of renewable energy and power electronic equipment, the overcurrent protection of an intelligent miniature circuit breaker faces new challenges. The electronic controller of an intelligent miniature circuit breaker is typically powered by the bus current rather than the phase voltage to ensure a robust overcurrent protection response under all conditions, including severe short-circuit faults. So, the performance of the current transformer serving as an energy harvesting unit and the corresponding direct current to direct current convention circuit is one of the criti

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Krausová, A., J. Macák, and M. Novák. "Ex-situ characterization of pre- and post-transient specimens of Zr1Nb alloys." Koroze a ochrana materialu 59, no. 1 (2015): 19–23. http://dx.doi.org/10.1515/kom-2015-0008.

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Abstract The ex-situ tests were performed with Zr1Nb alloy specimens that had been pre-exposed to the environment with an elevated concentration of lithium (70 ppm Li as LiOH) at the temperature of 360 °C for a period of 63 to 77 days prior to the measurement. The impedance changes at the phase alloy- -oxide-electrolyte interface were monitored using the ex-situ electrochemical impedance spectroscopy. At the same time, the progress of electrolyte penetration in the oxide porous structure was studied. The oxidic layer and the electrolyte penetration are characterized by the elements of the equi

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Cho, Namhun, Myungseok Yoon, and Sungyun Choi. "Impact of Transformer Topology on Short-Circuit Analysis in Distribution Systems with Inverter-Based Distributed Generations." Sustainability 14, no. 15 (2022): 9781. http://dx.doi.org/10.3390/su14159781.

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Distributed energy resources (DERs), recently introduced into distribution systems, are mainly inverter-based distributed generations (IBDGs), which have different short-circuit behaviors from conventional synchronous-based distributed generations (SBDGs). Hence, this study presents a comprehensive analysis of the short-circuit behaviors of distribution systems with IBDGs, based on sequence networks and superposition, from the perspectives of interconnected transformers, and observes the flow of zero-sequence fault currents with different transformer topologies. Moreover, two- and three-windin

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ALIYEV, I. H. "NEUTRAL MODES OF 110 KV AND HIGH VOLTAGE NETWORKS." Power Engineering Problems, no. 1 (2024): 113–15. https://doi.org/10.70784/azip.5.20241113.

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Due to its high technical and economic advantages, the appropriateness of the effective and deep penetration grounding of the neutral in electrical installations of 110 kV and higher voltage has been determined. It was determined that the overvoltages in such devices are lower than in networks with neutral insulation (2.5Un, does not pass), and therefore the cost of insulation of lines and devices is much lower than in networks with neutral insulation. It is suggested that to reduce the single-phase short-circuit current, it can be done by abandoning the third winding, isolating the neutral an

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Sarasúa, José Ignacio, Guillermo Martínez-Lucas, and Marcos Lafoz. "Analysis of alternative frequency control schemes for increasing renewable energy penetration in El Hierro Island power system." International Journal of Electrical Power & Energy Systems 113 (December 1, 2019): 807–23. https://doi.org/10.1016/j.ijepes.2019.06.008.

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El Hierro, island declared as a biosphere reserve by the UNESCO in 2000, aims to become self-sufficient in energy and 100% free of greenhouse gas emissions. This isolated power system consists of diesel units and a hybrid Wind- Pump Storage Hydropower Plant (W-PSHP), equipped with Variable Speed Wind Turbines (VSWTs), Pelton turbines and a pump station with both fixed- and variable-speed pumps. During last years the annual average renewable energy participation is increasing, especially due to the improvements in the frequency control strategies in PSHP including the operation in short circuit

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Zhang, Yong Gang, Ming Yang Sun, Xian Feng Xu, and Wei Jin Zhuang. "Identification of the Maximum Wind Penetration Level during Over-Frequency Disturbances." Advanced Materials Research 805-806 (September 2013): 364–69. http://dx.doi.org/10.4028/www.scientific.net/amr.805-806.364.

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Todays power system is integrating increasingly variable and uncertain generation resources, especially wind power. As much of wind generators in the market contribute little or none to system inertia, power system is operated much closer to its dynamic security margin. To identify the maximum wind penetration of a power system following a pre-defined disturbance, the impact of increased wind penetration on post-disturbance stability is studied. In this paper, the disturbance is simulated by a short circuit that leads to the sudden disconnection of a large amount of load demand. When wind powe

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AJEWOLE, TITUS OLUWASUJI, OLUWASEYE ADETUNJI ADELEYE, and AMINAT OLAWUMI ABDUL-LATEEF. "ADAPTIVE OVERCURRENT DISTRIBUTION PROTECTION SCHEME COORDINATION IN THE PRESENCE OF DISTRIBUTED GENERATION USING ARTIFICIAL NEURAL NETWORK." Journal of Engineering Studies and Research 30, no. 2 (2025): 7–21. https://doi.org/10.29081/jesr.v30i2.001.

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Recent advances in the development of distributed generation (DG) technology have resulted in increased DG penetration into distribution networks. The comparative cost advantage of its installation over grid expansion far outweighs its disadvantages. However, DG penetration introduces a lot of protection issues as a result of variation in the network short circuit current and bidirectional flow of current that, if not properly coordinated, causes maloperation of overcurrent relay protection scheme. This paper presents a novel adaptive protection scheme coordination system that uses artificial

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Aljanad, A., and Azah Mohamed. "Harmonic Impact of Plug-In Hybrid Electric Vehicle on Electric Distribution System." Modelling and Simulation in Engineering 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/5968943.

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This paper presents the harmonic effects of plug-in hybrid electric vehicles (PHEV) on the IEEE 37-bus distribution system at different PHEV penetration levels considering a practical daily residential load shape. The PHEV is modeled as a current harmonic source by using the Open-Source Distribution System Simulator (OpenDSS) and DSSimpc software. Time series harmonic simulation was conducted to investigate the harmonic impact of PHEV on the system by using harmonic data obtained from a real electric vehicle. Harmonic effects on the system voltage profile and circuit power losses are also inve

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Cheng, Bo, Jianghua Lu, Yiming Zhang, Guang Pan, Rakan Chabaan, and Chunting Chris Mi. "A Metal Object Detection System with Multilayer Detection Coil Layouts for Electric Vehicle Wireless Charging." Energies 13, no. 11 (2020): 2960. http://dx.doi.org/10.3390/en13112960.

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Non-radiative inductive power transfer is one of the most studied and commercially applied wireless charging technologies, where the magnetic field is employed as the medium for power transfer. In the wireless charging of electric vehicles, the strong magnetic field will heat up any metal items falling in the charging area due to eddy current induced in the metal objects, causing hazards like fire. Metal object detection (MOD) is necessary for the market penetration of inductive power transfer technology. This paper aims to improve the performance of systems that detect metal objects based on

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Zhang, Yuhao, Ruizhe Zhang, Qihao Song, Qiang Li, and J. Liu. "(Invited) Breakthrough Avalanche and Short Circuit Robustness in Vertical GaN Power Devices." ECS Transactions 108, no. 6 (2022): 11–20. http://dx.doi.org/10.1149/10806.0011ecst.

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Power devices are highly desirable to possess excellent avalanche and short-circuit (or surge-current) robustness for numerous power electronics applications like automotive powertrains, electric grids, motor drives, among many others. Current commercial GaN power device, the lateral GaN high-electron-mobility transistor (HEMT), is known to have no avalanche capability and very limited short-circuit robustness. These limitations have become a roadblock for penetration of GaN devices in many industrial power applications. Recently, through collaborations with NexGen Power Systems (NexGen), Inc.

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Hyun Ho Park and Haengseon Lee. "Analysis of Electromagnetic Pulse Penetration Into Multiply-Bent Slots by an Equivalent Circuit Model." IEEE Antennas and Wireless Propagation Letters 13 (2014): 899–902. http://dx.doi.org/10.1109/lawp.2014.2321452.

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Wang, Jionggeng, Wenxin Mei, Zhixian Cui, et al. "Experimental and numerical study on penetration-induced internal short-circuit of lithium-ion cell." Applied Thermal Engineering 171 (May 2020): 115082. http://dx.doi.org/10.1016/j.applthermaleng.2020.115082.

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Strezoski, Luka V., and Marija D. Prica. "Short-circuit analysis in large-scale distribution systems with high penetration of distributed generators." IEEE/CAA Journal of Automatica Sinica 4, no. 2 (2017): 243–51. http://dx.doi.org/10.1109/jas.2017.7510517.

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