The Experts below are selected from a list of 30825 Experts worldwide ranked by ideXlab platform
Michael Adam Zagrodnik - One of the best experts on this subject based on the ideXlab platform.
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dc marine power system transient behavior and Fault Management aspects
IEEE Transactions on Industrial Informatics, 2019Co-Authors: Kuntal Satpathi, Abhisek Ukil, Michael Adam ZagrodnikAbstract:DC marine vessels with medium-voltage compact dc power systems are dominated by a significant amount of active loads and a finite number of generation sources. In such scenarios, the network configuration of the dc power system is expected to get dynamically altered to fulfill the required generation and load demands for the desired marine mission. Such varying network configurations make the transient responses significantly different from the conventional ac grids and the prospective dc grids. In this regard, this paper performs systematic transient studies to devise Fault Management strategies for the dc marine vessels. A platform supply vessel (PSV) is taken as an example of the marine vessel, due to its complex operating scenarios and wider applicability in the marine industry. Pole-to-pole short-circuit Faults are considered owing to its severity. A novel current-only directional protection for the dc PSV is proposed based on the directional zonal interlocking and short-time Fourier transform. The efficacy of the proposed method is substantiated by confirming against a range of Fault impedances initiated at the generator terminals, load terminals, lines, and buses of the dc PSV. All the analyses are conducted in the real-time simulation model of the dc PSV.
Kuntal Satpathi - One of the best experts on this subject based on the ideXlab platform.
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dc marine power system transient behavior and Fault Management aspects
IEEE Transactions on Industrial Informatics, 2019Co-Authors: Kuntal Satpathi, Abhisek Ukil, Michael Adam ZagrodnikAbstract:DC marine vessels with medium-voltage compact dc power systems are dominated by a significant amount of active loads and a finite number of generation sources. In such scenarios, the network configuration of the dc power system is expected to get dynamically altered to fulfill the required generation and load demands for the desired marine mission. Such varying network configurations make the transient responses significantly different from the conventional ac grids and the prospective dc grids. In this regard, this paper performs systematic transient studies to devise Fault Management strategies for the dc marine vessels. A platform supply vessel (PSV) is taken as an example of the marine vessel, due to its complex operating scenarios and wider applicability in the marine industry. Pole-to-pole short-circuit Faults are considered owing to its severity. A novel current-only directional protection for the dc PSV is proposed based on the directional zonal interlocking and short-time Fourier transform. The efficacy of the proposed method is substantiated by confirming against a range of Fault impedances initiated at the generator terminals, load terminals, lines, and buses of the dc PSV. All the analyses are conducted in the real-time simulation model of the dc PSV.
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short circuit Fault Management in dc electric ship propulsion system protection requirements review of existing technologies and future research trends
IEEE Transactions on Transportation Electrification, 2018Co-Authors: Kuntal Satpathi, Abhisek Ukil, Josep PouAbstract:Ease of integration of the variable speed diesel generators resulting in substantial reduction of the fuel consumption is the key motivation for the development of the dc shipboard power system (SPS). One of the impediments to the widespread adoption of the dc SPS, however, has been the lack of comprehensive Fault Management strategies during the short-circuit Faults. Such strategies comprise of Fault detection, Fault isolation, and reconfiguration of dc SPS. In the existing literature, all these aspects of Fault Management are dealt independently and mostly assuming ideal conditions. All the strategies are of utmost importance and it is needed to study them under a common framework which is the aim of this paper. This paper starts with a brief discussion on the characteristics of dc SPS along with recent modeling techniques. Subsequently, this paper describes the short-circuit Fault studies, Fault characteristics, and protection requirements. Finally, this paper outlines the working principle, advantages, and limitations of the Fault detection, isolation, and reconfiguration strategies developed for the dc power system and analyzes their suitability to the dc SPS. This paper is concluded by identifying the future research trends needed for the development of the short-circuit Fault Management strategies of dc SPS for critical marine missions.
H Levendel - One of the best experts on this subject based on the ideXlab platform.
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availability requirement for a Fault Management server in high availability communication systems
IEEE Transactions on Reliability, 2003Co-Authors: H LevendelAbstract:This paper investigates the availability requirement for the Fault Management server in high-availability communication systems. This study shows that the availability of the Fault Management server does not need to be 99.999% in order to guarantee a 99.999% system availability, as long as the fail-safe ratio (the probability that the failure of the Fault Management server does not bring down the system) and the Fault coverage ratio (probability that the failure in the system can be detected and recovered by the Fault Management server) are sufficiently high. Tradeoffs can be made among the availability of the Fault Management server, the fail-safe ratio, and the Fault coverage ratio to optimize system availability. A cost-effective design for the Fault Management server is proposed.
Abhisek Ukil - One of the best experts on this subject based on the ideXlab platform.
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dc marine power system transient behavior and Fault Management aspects
IEEE Transactions on Industrial Informatics, 2019Co-Authors: Kuntal Satpathi, Abhisek Ukil, Michael Adam ZagrodnikAbstract:DC marine vessels with medium-voltage compact dc power systems are dominated by a significant amount of active loads and a finite number of generation sources. In such scenarios, the network configuration of the dc power system is expected to get dynamically altered to fulfill the required generation and load demands for the desired marine mission. Such varying network configurations make the transient responses significantly different from the conventional ac grids and the prospective dc grids. In this regard, this paper performs systematic transient studies to devise Fault Management strategies for the dc marine vessels. A platform supply vessel (PSV) is taken as an example of the marine vessel, due to its complex operating scenarios and wider applicability in the marine industry. Pole-to-pole short-circuit Faults are considered owing to its severity. A novel current-only directional protection for the dc PSV is proposed based on the directional zonal interlocking and short-time Fourier transform. The efficacy of the proposed method is substantiated by confirming against a range of Fault impedances initiated at the generator terminals, load terminals, lines, and buses of the dc PSV. All the analyses are conducted in the real-time simulation model of the dc PSV.
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short circuit Fault Management in dc electric ship propulsion system protection requirements review of existing technologies and future research trends
IEEE Transactions on Transportation Electrification, 2018Co-Authors: Kuntal Satpathi, Abhisek Ukil, Josep PouAbstract:Ease of integration of the variable speed diesel generators resulting in substantial reduction of the fuel consumption is the key motivation for the development of the dc shipboard power system (SPS). One of the impediments to the widespread adoption of the dc SPS, however, has been the lack of comprehensive Fault Management strategies during the short-circuit Faults. Such strategies comprise of Fault detection, Fault isolation, and reconfiguration of dc SPS. In the existing literature, all these aspects of Fault Management are dealt independently and mostly assuming ideal conditions. All the strategies are of utmost importance and it is needed to study them under a common framework which is the aim of this paper. This paper starts with a brief discussion on the characteristics of dc SPS along with recent modeling techniques. Subsequently, this paper describes the short-circuit Fault studies, Fault characteristics, and protection requirements. Finally, this paper outlines the working principle, advantages, and limitations of the Fault detection, isolation, and reconfiguration strategies developed for the dc power system and analyzes their suitability to the dc SPS. This paper is concluded by identifying the future research trends needed for the development of the short-circuit Fault Management strategies of dc SPS for critical marine missions.
Satpathi Kuntal - One of the best experts on this subject based on the ideXlab platform.
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Short-circuit Fault Management in DC electric ship propulsion system : protection requirements, review of existing technologies and future research trends
'Institute of Electrical and Electronics Engineers (IEEE)', 2018Co-Authors: Satpathi Kuntal, Ukil Abhisek, Pou JosepAbstract:Ease of integration of the variable speed diesel generators resulting in substantial reduction of the fuel consumption is the key motivation for the development of the dc shipboard power system (SPS). One of the impediments to the widespread adoption of the dc SPS, however, has been the lack of comprehensive Fault Management strategies during the short-circuit Faults. Such strategies comprise of Fault detection, Fault isolation, and reconfiguration of dc SPS. In the existing literature, all these aspects of Fault Management are dealt independently and mostly assuming ideal conditions. All the strategies are of utmost importance and it is needed to study them under a common framework which is the aim of this paper. This paper starts with a brief discussion on the characteristics of dc SPS along with recent modeling techniques. Subsequently, this paper describes the short-circuit Fault studies, Fault characteristics, and protection requirements. Finally, this paper outlines the working principle, advantages, and limitations of the Fault detection, isolation, and reconfiguration strategies developed for the dc power system and analyzes their suitability to the dc SPS. This paper is concluded by identifying the future research trends needed for the development of the short-circuit Fault Management strategies of dc SPS for critical marine missions.Accepted versio
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DC marine power system : transient behavior and Fault Management aspects
'Institute of Electrical and Electronics Engineers (IEEE)', 2018Co-Authors: Satpathi Kuntal, Ukil Abhisek, Pou Josep, Nag, Soumya Shubhra, Zagrodnik, Michael AdamAbstract:DC marine vessels with medium-voltage compact dc power systems are dominated by a significant amount of active loads and a finite number of generation sources. In such scenarios, the network configuration of the dc power system is expected to get dynamically altered to fulfill the required generation and load demands for the desired marine mission. Such varying network configurations make the transient responses significantly different from the conventional ac grids and the prospective dc grids. In this regard, this paper performs systematic transient studies to devise Fault Management strategies for the dc marine vessels. A platform supply vessel (PSV) is taken as an example of the marine vessel, due to its complex operating scenarios and wider applicability in the marine industry. Pole-to-pole short-circuit Faults are considered owing to its severity. A novel current-only directional protection for the dc PSV is proposed based on the directional zonal interlocking and short-time Fourier transform. The efficacy of the proposed method is substantiated by confirming against a range of Fault impedances initiated at the generator terminals, load terminals, lines, and buses of the dc PSV. All the analyses are conducted in the real-time simulation model of the dc PSV.Accepted versio
