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Fault Protection Considerations for MVDC Shipboard Power Systems Operating with Pulsed-Power Loads

Marounfa ` Djibo, Paul Moses, Ike Flory
2021 WSEAS Transactions on power systems  
of Pulsed-Power Load (PPL) with and without faults on a shipboard MVDC distribution system.  ...  Furthermore, due to the absence of zero crossings in DC waveforms and unique transient fault signatures, it is challenging to design effective protection system schemes to isolate faults via conventional  ...  (a) Proposed Fault Controller and Disturbances Segregation Technique During operation of the system under test, the current flow in each power system cable section is supervised by a local communication-based  ... 
doi:10.37394/232016.2021.16.14 fatcat:g7ipswegorfzfn2mpgv6r6lvoi

Oil-Immersed Power Transformer Condition Monitoring Methodologies: A Review

Lan Jin, Dowon Kim, Ahmed Abu-Siada, Shantanu Kumar
2022 Energies  
A power transformer is one of the most critical and expensive assets in electric power systems.  ...  Concept of measurements and analysis of the results along with the future trend of condition monitoring techniques are presented.  ...  Acknowledgments: Authors sincerely acknowledge the support from BHP for providing a scholarship to the first author to conduct her research on high voltage assets condition monitoring methodologies.  ... 
doi:10.3390/en15093379 fatcat:7fiufggcw5gcfpdoetkymulo3a

ECCE 2020 Index

2020 2020 IEEE Energy Conversion Congress and Exposition (ECCE)  
Heavy Rare Earth Free Permanent Magnet Machines [#0741] 1780 Miller, Chad Series Arc Fault Detection and Localization in DC Distribution based on Master Controller [#0131] 2499 Mima, Akira Low-Inductance  ...  of Irreversible Demagnetization Fault with Non-Excited Phase Voltage in Brushless DC Motor Drive System [#0925] 748 Detection Technique for Manufacturing Imperfection of Rare-Earth Magnets on IPMSM  ... 
doi:10.1109/ecce44975.2020.9236355 fatcat:sbl4a4gonrf77kylohb3nbmhqa

Challenges, advances and future directions in protection of hybrid AC/DC microgrids

Sohrab Mirsaeidi, Xinzhou Dong, Shenxing Shi, Dimitrios Tzelepis
2017 IET Renewable Power Generation  
In these systems, DG sources are connected to local AC main grid to supply local loads, which reduce the stress on transmission systems [2], [3].  ...  Three phase AC5based power systems have existed for over one century due to easy transformation at different voltage levels and over long distances.  ...  and are considered as signature for detection and location of faults.  ... 
doi:10.1049/iet-rpg.2017.0079 fatcat:7wq2c6vh4bcjnlvocjfc4mnrti

A Comprehensive Analysis of Windings Electrical and Mechanical Faults Using a High-Frequency Model

Tahir, Tenbohlen
2019 Energies  
A key contribution of this paper is the winding assessment factor it introduces based on the standard deviation of difference (SDD) to detect and classify different electrical and mechanical faults.  ...  The measurement procedures for frequency response analysis (FRA) of power transformers are well documented in IEC and IEEE standards.  ...  The electric voltages (e) and magnetic fluxes (b) are allocated on the primary grid while the magnetic voltages (h) and dielectric fluxes (d) are allocated on the dual grid.  ... 
doi:10.3390/en13010105 fatcat:z7ljpa5g4zfmrkpgd5almy54oq

A Survey of Traveling Wave Protection Schemes in Electric Power Systems

Felipe Wilches-Bernal, Ali Bidram, Matthew J. Reno, Javier Hernandez-Alvidrez, Pedro Barba, Benjamin Reimer, Rudy Montoya, Christopher Carr, Olga Lavrova
2021 IEEE Access  
To this end, this paper reviews a wide range of FTPS in transmission and distribution AC systems as well as high voltage and medium voltage DC grids.  ...  TW protection schemes are based on high-frequency measurements and determining the arrival time of the fault wave signature.  ...  This paper describes objective technical results and analysis. Any subjective views or opinions that might be expressed in the paper do not necessarily represent the views of the U.S.  ... 
doi:10.1109/access.2021.3080234 fatcat:aoa232adrjcbhhohu5uotdhlqq

Perspectives on condition monitoring techniques of wind turbines

R Moeini, M Entezami, M Ratkovac, P Tricoli, H Hemida, R Hoeffer, C Baniotopoulos
2018 Wind Engineering : The International Journal of Wind Power  
In the analysis of the technical literature, it is noted that the effect of wind speed variation is not considered for traditional condition monitoring schemes.  ...  In this article, a comparison between existing condition monitoring techniques is carried out and recommendations on appropriate methods are provided.  ...  ACKNOWLEDGEMENTS This research is conducted as a part of "AEOLUS4FUTURE -Efficient harvesting of the wind energy" (H2020-MSCA-ITN-2014: Grant agreement no. 643167), founded by the European Commission's  ... 
doi:10.1177/0309524x18807028 fatcat:7g5id2n7ivdljiq3kgl7xmhawy


Ali Ibrahim Mansour
2018 Journal of Al-Azhar University Engineering Sector  
In current series circuits, only some ground faults can be detected and no automated fault location or state of health features are available.  ...  The purpose of this study is to investigate the feasibility of offline fault location and state of health technologies for airport series circuits used to provide power to light fixtures on the runway.  ...  Traveling Wave Methods In order to overcome the limitations of traditional fault location technologies, traveling wave based methods have been adopted for use in the electrical grid in recent years.  ... 
doi:10.21608/auej.2018.19055 fatcat:u2dchqajjbf2jmh5lkuzaa7mcy


2019 2019 20th International Conference on Intelligent System Application to Power Systems (ISAP)  
The proposed methodology is based on voltage measurement directly from a micro-phasor measurement unit (μPMU) and performing Concordia analysis on these signals.  ...  Scientific discussions are offered. pp. 179-183 TIS2.2 Recognition of Fault Location and Type in a Medium Voltage System with Distributed Generation Using Machine Learning Approach Adhishree Srivastava  ...  the local grid.  ... 
doi:10.1109/isap48318.2019.9065935 fatcat:n5yuhvudcfemzhr4tazxeei4fi

Food Volume Estimation in a Mobile Phone Based Dietary Assessment System

Md Hafizur Rahman, Qiang Li, M. Pickering, M. Frater, D. Kerr, C. Bouchey, E. Delp
2012 2012 Eighth International Conference on Signal Image Technology and Internet Based Systems  
These data could be used in the formulation of standard codes for interpretation of the frequency response analysis signatures of power transformers.  ...  TABLE IV IMPACT IV OF VARIOUS FAULTS ON TRANSFORMER FRA SIGNATURE This paper presents a comprehensive analysis of the effects of various faults on the FRA signatures of a transformer simulated by a high  ...  Fig. 12 . 12 Impact of high voltage bushing fault on the FRA signature of the HV winding Fig. 13 . 13 This fault occurs due to imbalanced magnetic forces generated in a winding as a result of a short-circuit  ... 
doi:10.1109/sitis.2012.146 dblp:conf/sitis/RahmanLPFKBD12 fatcat:phbses36hbcw3asa2q6ivgwdpm

2020 Index IEEE Systems Journal Vol. 14

2020 IEEE Systems Journal  
., +, JSYST Sept. 2020 4296-4307 Fault tolerant control Comparative Analysis of Communication Assisted Grid Synchronization Methods in Microgrids.  ...  ., +, JSYST June 2020 2323-2334 Detection of False Data Injection Attacks in Smart Grids Based on Graph Signal Processing.  ...  Principal component analysis Energy-Efficient Design of MI Communication-Based 3-D Non-Conventional WSNs.  ... 
doi:10.1109/jsyst.2021.3054547 fatcat:zf2aafvnfzbeje32qei5563myu

Artificial Intelligence based Sensor Data Analytics Framework for Remote Electricity Network Condition Monitoring [article]

Tharmakulasingam Sirojan
2021 arXiv   pre-print
An edge computing-based architecture is proposed to facilitate the high-frequency analysis for load identification.  ...  Artificial Intelligence (AI) based techniques are developed to classify faults and transients.  ...  On the other hand, medium latency data analysis with not critical.  ... 
arXiv:2102.03356v1 fatcat:mb42q6i7craptoulvkt3cvy22e

Signatures of Transient Overvoltages in Low Voltage Power Systems in Tea Factories and Their Implications on Insulation Deterioration and Allied Power Quality Issues

Earl A. R. L. Pannila, Mahesh Edirisinghe, Renato Procopio
2021 Journal of Electrical and Computer Engineering  
Electrical equipment and supply cables demand a better quality of supply, with the recent advancements in integrated sensitive solid-state controls.  ...  Divergently, proliferated heavy inductive motors and some performance additions based on power electronics have introduced power quality issues to the network.  ...  Acknowledgments e facilities provided by the Department of Physics, of Colombo, and Faculty of Engineering and Technology, Sri Lanka Technological Campus, are highly acknowledged. e authors wish to thank  ... 
doi:10.1155/2021/2623965 fatcat:gnfjyynlt5bglitx2iaz43qe6e

Electrical-Based Diagnostic Techniques for Assessing Insulation Condition in Aged Transformers

Issouf Fofana, Yazid Hadjadj
2016 Energies  
Currently there are a variety of electrical-based diagnostic techniques available for insulation condition monitoring of power transformers.  ...  in the insulation.  ...  One of the common methods used to localize the PD is the so called arrival time analysis [83] .  ... 
doi:10.3390/en9090679 fatcat:p62xtwlb7rdrvh2lqwhy3wu5cu

Solar generation control with time-synchronized phasors

Michael Mills-Price, Mesa Scharf, Steve Hummel, Michael Ropp, Dij Joshi, Greg Zweigle, Krishnanjan Gubba Ravikumar, Bill Flerchinger
2011 2011 64th Annual Conference for Protective Relay Engineers  
Generation assets must participate in system frequency support, local voltage regulation, and a variety of other system integrity protection schemes, collectively referred to as "grid support functions  ...  in supporting better grid operation.  ...  Loss of mains detection based on harmonic signatures falls within the family of "passive LOMD", in which LOMD is implemented by monitoring the voltage at the DG terminals and using that voltage information  ... 
doi:10.1109/cpre.2011.6035616 fatcat:rdqct5so4fe5zimti3v2oj3qza
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