Results 21 to 30 of about 7,136,886 (221)

Power Transformer Modeling for Inrush Current Calculation [PDF]

, 2010
In this thesis a general purpose transformer model for low and medium frequency transient studies is developed and verified. The inrush current phenomena during no-load energization of power transformer is analyzed with special attention.
Chiesa, Nicola
core   +1 more source

Voltage compensation-type inrush current limiter for reducing power transformer inrush current

IET Electric Power Applications, 2012
When a transformer is initially energised, its iron core is driven into saturation, which will result in high-amplitude magnetising inrush current. For lessening this transient phenomenon, a voltage compensation-type inrush current limiter (VCT-ICL) is presented in this study.
H.-T. Tseng, J.-F. Chen
openaire   +1 more source

Inrush Transient Current Mitigation

, 2012
The main goal of this Major Qualifying Project was to design and implement an inrush transient current mitigation technique for high power full-wave bridge rectifiers with capacitive loads.
Espaillat, Luis Rafael, Chu, Norbert, Amilcar, Marcus Calixte   +2 more
core   +3 more sources

Inrush Current Management During Medium Voltage Microgrid Black Start With Battery Energy Storage System

IEEE Access, 2022
This paper addresses the black start of medium voltage distribution networks (MV-DNs) by a battery energy storage system (BESS). The BESS consists of a two-level voltage source inverter interfacing MV-DN which has limited overcurrent capability.
Mahdi Shahparasti, Hannu Laaksonen, Kimmo Kauhaniemi, Panu Lauttamus, Stefan Strandberg, Jan Strandberg   +5 more
doaj   +1 more source

A New method for winding connected to the ground internal fault localization in the transformer using the extended Kalman Filter

Franklin Open
Inrush current in the transformer may assume as fault current for the protective equipment. Thus, it is important to distinguish the inrush current from the internal fault current in the transformer.
Mohammad Ali Taghikhani, Mohammad Fallah Ziarani   +1 more
doaj   +1 more source

Micro-Grid Inrush Current Stability Analysis [PDF]

, 2021
Transient currents can severely impact the operation of weak or islanded grids. Inrush current electromagnetic compatibility challenges, due to their unpredictable and intermittent nature, are very difficult to identify.
Alexander Matthee, Niek Moonen, Moonen, Niek; id_orcid, Leferink, Frank; id_orcid, Moonen, Niek, Leferink, Frank, Matthee, Alexander, Frank Leferink   +7 more
core   +2 more sources

Commutation failure suppression strategy of hybrid DC transmission based on active current limiting

电力工程技术, 2022
Aiming at the problem of large inrush current when the commutation fails in the hybrid direct current (DC) transmission system,the relationship between the inrush current amplitude and the voltage source converter (VSC) is firstly derived.
MA Wenzhong, LI Zhaoyuan, ZHANG Kuitong, HAN Jia, LI Mushu, YAO Minrui   +5 more
doaj   +1 more source

Application of saturated core transformer as inrush current limiter

e-Prime: Advances in Electrical Engineering, Electronics and Energy
An inrush current is a transient current that results from a sudden change in the exciting voltage across a transformer's windings. Reducing the inrush current of transformers is desirable due to mechanical stresses and negligent operation of protective ...
Mehrdad Tarafdar-Hagh, Noorallah Hasanlouei, Kashem Muttaqi, Kamran Taghizad-Tavana, Sayyad Nojavan, Meysam Abdi   +5 more
doaj   +1 more source

Dynamic geo‐hydrogeological monitoring‐driven situational awareness for real‐time floor water inrush risk prediction in deep mining

Deep Underground Science and Engineering, EarlyView.
The fused data extracted from the distributed monitoring system as the data basis, combined with dynamic geological data, are imported into a deep learning model. As the geological conditions of mining and excavation change, the risk of water inrush at the working face is retrieved in real time.
Yongjie Li, Huiyong Yin, Fangying Dong, Tao Wu, Chao Zhang   +4 more
wiley   +1 more source

Reduced-Capacity Inrush Current Suppressor Using a Matrix Converter in a Wind Power Generation System with Squirrel-Cage Induction Machines

Energies, 2016
This paper describes the reduced capacity of the inrush current suppressor using a matrix converter (MC) in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs). These SCIMs are switched over depending on
Sho Shibata, Hiroaki Yamada, Toshihiko Tanaka, Masayuki Okamoto   +3 more
doaj   +1 more source