Results 1 to 10 of about 123,509 (118)
Zhongguo dianli, 2023 Based on impedance analysis, this paper focuses on the circulation control of a modular multilevel converter (MMC) and conducts in-depth research on the stability impact of offshore wind farm integration based on a permanent magnetic synchronous ...
Shuting YANG +3 more
doaj +1 more source
Frontiers in Energy Research, 2021 In the northwest of China, a strategy to transmit the wind-thermal–bundled power from the local grid and doubly fed induction generator (DFIG)–based wind farms through a voltage source converter–based HVDC (VSC-HVDC) can be widely applied. However, since
Kun Sun, Wei Yao, Cai Yan, Jinyu Wen
doaj +1 more source
Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch
Energies, 2022 Low-voltage dc distribution offers high efficiency for grid integration of dc-based technologies such as photovoltaic and battery storage systems and new loads such as charging stations for electric vehicles due to reduced number of conversion stages ...
Jiajun Yang +5 more
doaj +1 more source
Impedance Model Study of Duct Sound Liner under High Speed Airflow
Kongzhi Yu Xinxi Jishu, 2022 Micro perforation plate (MPP) sound liner is a very effective method to control pipe noise in high-speed airflow environment based on the principle of Helmholtz resonator. It generally has single layer, double-layer or even multi-layer structure.
YAN Meng +3 more
doaj +3 more sources
Impedance Matching-Based Power Flow Analysis for UPQC in Three-Phase Four-Wire Systems
Energies, 2021 Different from the extant power flow analysis methods, this paper discusses the power flows for the unified power quality conditioner (UPQC) in three-phase four-wire systems from the point of view of impedance matching.
Xiaojun Zhao +5 more
doaj +1 more source
IEEE Access, 2020 The sequence impedance of modular multilevel converters (MMC) is the premise to analyze the stability of MMC-based high voltage direct current (HVDC) system.
Taiyuan Yin +7 more
doaj +1 more source
IET Cyber-systems and Robotics, 2023 This study addresses two issues about the interaction of the upper limb rehabilitation robot with individuals who have disabilities. The first step is to estimate the human's target position (also known as TPH).
Brahim Brahmi +2 more
doaj +1 more source
Energies, 2016 Wireless power transfer (WPT) is greatly affected when the transmission channel is surrounded by non-ferromagnetic metallic objects and the alternating magnetic field interacts with the metal conductor, which is more of an issue in wirelessly charged ...
Linlin Tan +5 more
doaj +1 more source
Stabilized Control for Power Electronics Transformer-Based Grid-Tied Inverter System
IEEE Access, 2023 The stability of a grid-tied inverter system will be compromised in weak grid conditions. In order to address this problem, researchers have proposed using a power electronics transformer (PET) to connect inverters and the grid.
Xiangbing Wang +4 more
doaj +1 more source
IEEE Access, 2020 MMC (Modular Multilevel Converter) is the preferred topology for renewable energy delivery, but renewable energy resources, such as wind farms, contains much harmonic components.
Bo Yue +6 more
doaj +1 more source