Results 101 to 110 of about 44,519 (152)

Modeling human synchronization to rhythmic patterns with varying statistical regularities.

Acta Psychol (Amst)
Giomo D, Mancinelli F, Ravignani A, Bueti D.   +3 more
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Pre-Synchronization Control Strategy for Grid Connection of Synchronverter Cluster

2021 IEEE 4th International Electrical and Energy Conference (CIEEC), 2021
It is found that large inrush currents and power oscillations occur when a synchronverter cluster is connected to the utility grid. In this paper, we propose a pre-synchronization control strategy to minimize the inrush current and suppress the power oscillation in the grid-tied synchronverters.
Yingjie Tan, Xia Shen, Min Xu
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Combined Pre-Synchronization and Power Sharing Control for Microgrid Applications

2020 55th International Universities Power Engineering Conference (UPEC), 2020
With the increased penetration of distributed generation in the power distribution systems, it becomes a requirement for microgrids to switch between islanding and grid-connected operation modes. When the line impedance of each micro-source in the microgrid is different, this will cause a mismatch in the output power of the micro-sources.
Li Lei, Mohammed A. Elgendy, Neal Wade, Salaheddine Ethni   +3 more
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Research on Pre-Synchronization Control Strategy for Microgrid VSG Inverter

2019 14th IEEE Conference on Industrial Electronics and Applications (ICIEA), 2019
In the microgrid, the virtual synchronous generator (VSG) technology realizes the friendly access of the distributed power supply and improves the stability of the power system by simulating the operating mechanism of the synchronous generator (SG). However, the VSG inverter has a large impact current at the moment when it is switching from off-grid to
Mengxiang Zhang, Minchao Liu, Xuemei Zheng, Haoyu Li, Yanxue Yu, Zhenwei Li   +5 more
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A Pre-synchronization Strategy for Grid-forming Virtual Oscillator Controlled Inverters

2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020
Voltage controlled inverters in ac systems are susceptible to damage if the controller is not properly initialized before startup. Since currents are not controlled explicitly, the voltage reference of the controller must be closely aligned with the point of common coupling voltage to prevent large current transients when power delivery begins. In this
Minghui Lu, Soham Dutta, Victor Purba, Sairaj Dhople, Brian Johnson   +4 more
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Adaptive Pre-Synchronization and Discrete-Time Implementation for Unified Virtual Oscillator Control

2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021
Unified virtual oscillator controller (uVOC) is a nonlinear time-domain controller which offers robust synchronization and enhanced fault ride-through for grid-following (GFL) and grid-forming (GFM) converters without the need for switching to a back-up controller.
M A Awal, Md Rifat Kaisar Rachi, Md Rashed Hassan Bipu, Hui Yu, Iqbal Husain   +4 more
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Pre-synchronization Control Method of Virtual Synchronous Generator with Alterable Inertia

2019 IEEE 10th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), 2019
Virtual synchronous generator (VSG) is considered to be a promising grid-connect method for distributed generators (DGs) due to its inertial response and grid support ability. Just the same as conventional synchronous generators, the VSG should be regulated in synchronism with the point of common coupling (PCC) before grid-connection to avoid inrush ...
Pengxiang Xing, Xuanyue Jia, Chunzheng Tian, Yubin Mao, Linlin Yu, Xiaoliang Jiang   +5 more
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Research on Pre-Synchronization Control Strategy of Optical Storage VSG Off-Grid Switching

Review of Computer Engineering Studies, 2022
In the optical storage DC microgrid in island mode, in view of the large inrush current problem of the inverter controlled by the optical storage VSG when switching from off-grid to grid-connected operation mode, a pre-synchronization control strategy based on secondary frequency regulation and voltage regulation was proposed.
Yufei Peng, Hua Li, Xiaoyan Li, Jikang Wang, Xinyu Zhang   +4 more
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Pre-synchronization control for parallel inverters based on power line communication

2008 IEEE Power Electronics Specialists Conference, 2008
A novel wireless parallel control for inverters based on power line communication (PLC) is proposed, where the pre-synchronized control for voltage reference is realized beyond the current distribution control. The PLC modem chip is controlled by digital signal processor (DSP) to realize data transmitting and receiving operations through power line. By
null Zhongyi He, null Xiaona Wang, null Yan Xing, null Yundong Ma   +3 more
openaire   +1 more source