Results 31 to 40 of about 11,108 (308)

Rotordynamic Faults: Recent advances in diagnosis and prognosis [PDF]

, 2013
Diagnosis and condition monitoring in rotating machinery has been a subject of intense research for the last century. Recent developments indicate the drive towards integration of diagnosis and prognosis algorithms in future Integrated Vehicle Health ...
Ian K. Jennions, Walker, Ryan B., Perinpanayagam, Suresh, Jennions, Ian K., Sureshkumar Perinpanayagam, Ryan Walker   +5 more
core   +1 more source

Preventive Control Strategy of Cascading Fault considering Safety and Economy

Journal of Electrical and Computer Engineering, 2021
The operation and structure of the power system are becoming increasingly complex, and the probability of cascading fault increases. To this end, this paper proposes a cascading fault preventive control strategy that considers safety and the economy ...
Hui-Qiong Deng, Jie Luo, Chen-Chen Li, Pei-Qiang Li, Rong-Jin Zheng   +4 more
doaj   +1 more source

Dynamic Studies for 100% Converter-based Irish Power System

, 2021
The 9th Renewable Power Generation Conference (RPG 2021), Dublin, Ireland (held online), 1-2 March 2021Given increasing shares of wind and/or solar power in many power systems, the possibility of a 100% power converter-based system becomes more plausible.
Zhao, Xianxian, X. Zhao, D. Flynn, Flynn, Damian   +3 more
core   +1 more source

Variation aware analysis of bridging fault testing [PDF]

, 2008
This paper investigates the impact of process variation on test quality with regard to resistive bridging faults. The input logic threshold voltage and gate drive strength parameters are analyzed regarding their process variation induced influence on ...
Ingelsson, Urban, Harrod, Peter, Bashir M. Al-Hashimi, Al-Hashimi, Bashir M., Urban Ingelsson, Peter Harrod   +5 more
core   +1 more source

Overcurrent limiting control with frequency fluctuation suppression under asymmetric faults for voltage source converters

International Journal of Electrical Power & Energy Systems
Asymmetric faults are a common voltage fault in the power grid, with the rapid development of wind and photovoltaic power generation, grid-connected power generation systems based on voltage source converters (VSCs) will also be affected by asymmetric ...
Andong Liu, Jun Liu
doaj   +1 more source

Analysis and Treatment of Generator Vibration Faults in a Power Plant

IOP Conference Series: Earth and Environmental Science, 2020
Abstract This paper presents a detail research on a vibration high fault after overhaul occurred on a generator. During the overhaul, the generator rotor is returned to factory for processing and replaces section across the line of the generator excitation end.
Baotong Chai, Qing Meng Zeng, Zhengfeng Wu   +2 more
openaire   +1 more source

Design Methodology of Power-Level Modulation for PV Power Loss Minimization and DC Series Arc Fault Detection and Extinguishing

IEEE Access
With the recent surge in the use of photovoltaic (PV) power systems, the incidence of DC series arc faults has significantly increased, which causes voltage drops within these systems.
Wan Kim, Hwa-Pyeong Park
doaj   +1 more source

Impact of large-scale photovoltaic-energy storage power generation system access on differential protection of main transformer under symmetrical faults

Frontiers in Energy Research, 2023
The low voltage ride-through (LVRT) requirements demand large-scale photovoltaic (PV) power generation system remain connected to the grid during faults. It results in considerable impact on the characteristics of fault current.
Guosheng Yang, Jiaqi Zhang, Hao Zhang, Congbo Wang, Yujia Zhu, Xiaolong Chen   +5 more
doaj   +1 more source

Generalized discrete‐time equivalent model for interfacing the grid‐connected photovoltaic system

IET Generation, Transmission & Distribution, 2023
The power system dynamics have consistently challenged the rapid and persistent proliferation of photovoltaic (PV) systems in power systems. In this paper, the authors propose the generalized discrete‐time equivalent model (GDEM) of PV power generation ...
Fu Shen, Yutao Zhang, Gefei Qiu, Zhiwen Yang, Shiwei Li, Guangbing Yang   +5 more
doaj   +1 more source

A Real-Time Digital Twin and Neural Net Cluster-Based Framework for Faults Identification in Power Converters of Microgrids, Self Organized Map Neural Network

Energies, 2022
In developing distribution networks, the deployment of alternative generation sources is heavily motivated by the growing energy demand, as by environmental and political motives.
Juan R. Lopez, Jose de Jesus Camacho, Pedro Ponce, Brian MacCleery, Arturo Molina   +4 more
doaj   +1 more source