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Generator Backup Overcurrent Protection
IEEE Transactions on Industry Applications, 1982A concern that the characteristics and correct application of the generator backup relay are misunderstood is addressed in this report to the Power Systems Protection Committee. It is inherently a secure device, and rarely has the opportunity to operate in its intended capacity. So the question was asked, ``Do generator backup overcurrent relays really
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Overcurrent protective device coordination by computer
IEEE Transactions on Industry Applications, 1982Overcurrent protective device coordination is defined, and the advantages of computerizing this process are explained. A computer program written by the authors, who are engineers responsible for performing coordination studies, is discussed. The program was written with emphasis on engineering flexibility.
Robert A. Kennedy, Larry E. Curtis
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Electronic Fuse Overcurrent Protection
2005/2006 PES TD, 2006The use of fuse save schemes to avoid sustained outages due to temporary faults is well known in the utility industry. The scheme is limited in application due to fault current levels fuse speeds and relay-breaker speeds. This paper describes application of electronic sectionalizers to overcome these limitations and the results of implementation of ...
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DC overcurrent protection-Where we stand
Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting, 1993The procedures used to determine the DC ratings for fuses and the issues pertinent to ensuring a proper DC fuse application are discussed. For a better understanding of how fuses are rated for DC, Underwriters Laboratories UL Standard 198L is examined.
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Communication Assisted Overcurrent Protection of Microgrid
2015 International Conference on Computational Intelligence and Communication Networks (CICN), 2015An intelligent micro grid controller system with over current protection capability in both the grid-connected and the islanded modes of operation is proposed. To achieve the above strategy a model of small portion of distribution network as if it were a micro grid will be developed and considered.
O.V. Gnana Swathika, S. Hemamalini
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Overcurrent and earth fault protection
1993Fuses are a very satisfactory form of protection for the lower voltage and current sections of power networks because their operating time/current characteristics are similar in form to the withstand time/current characteristics of the circuits they protect.
C. Christopoulos, A. Wright
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Computer Aided Protection (Overcurrent) Coordination Studies
2009 Second International Conference on Computer and Electrical Engineering, 2009A well designed and reliable power system requires an efficient and reliable protection scheme with protection coordination at its core. This paper discusses computer aided protection coordination in brief comprising of its significance, procedures and vital components.
Mohd Hendra Hairi +4 more
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Transformer Overcurrent Protection???a Ten-Point View
IEEE Power Engineering Review, 1982A rapid analysis can be made of overcurrent protection with current magnitudes at only ten points in the time domain using a digital computer with graphics capability. Benefits of this approach include a convenient visual representation and permanent record of the particular application being studied.
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Overcurrent protection function for SPD disconnectors
2011 7th Asia-Pacific International Conference on Lightning, 2011A thermal protection function (thermal disconnector) is usually built into voltage clamping-type surge protective devices (SPDs) such as metal oxide varistors (MOVs) for electric power. In addition, if excess voltage or degradation of an SPD causes a large fault current flow, an overcurrent protection function (current disconnector) is used.
Atsushi Sato +2 more
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