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Negative Sequence Current Injection Based Active Islanding Detection Method
IEEE Transactions on Industry ApplicationsThis article presents a fast and accurate active islanding detection scheme for a grid-tied voltage source inverter (VSI). In the proposed scheme, the VSI generates a small negative sequence voltage to continuously inject a small negative sequence ...
Prabir Ranjan Kasari +2 more
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DNA Sequencing With Positive and Negative Errors
Journal of Computational Biology, 1999The problem addressed in this paper is concerned with DNA sequencing by hybridization. An algorithm is proposed that solves a computational phase of this approach in the presence of both positive and negative errors resulting from the hybridization experiment. No a priori knowledge of the nature and source of these errors is required.
Jacek Blazewicz +4 more
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Negative sequence impedance of converters
IEE Proceedings B Electric Power Applications, 1981The fundamental frequency behaviour of power convertors to unbalanced supply voltages is described in the paper. The model used caters for the effect of variable unbalance, variable firing angle, different firing systems, and the effect of a noninfinite DC reactance. The results are of use for a wide range of applications, such as HVDC and power drives.
R. Yacamini, W.J. Smith
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Mining high-utility sequences with positive and negative values
Information Sciences, 2023zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wensheng Gan +2 more
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A review of negative sequence current
2010 63rd Annual Conference for Protective Relay Engineers, 2010Sequence component analysis plays an essential role in analyzing power system faults and explaining some power system phenomena. It is very well known that negative sequence current could cause rotor damage, and that damage is highly detrimental to rotating machines such as motors and generators.
John Wang, Randy Hamilton
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Negative priming and sequence learning
European Journal of Cognitive Psychology, 2002Three experiments used a novel sequence learning task, in which participants responded to changes in location of one visual stimulus whilst ignoring another. Experiment 1 demonstrated negative priming effects in this task, in that responses to individual sequence elements were disrupted when the attended stimulus (e.g., red asterisk) appeared at the ...
Josephine J. Cock +2 more
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Calculation of negative-sequence losses and negative-sequence resistance of turbogenerators
IEEE Transactions on Power Apparatus and Systems, 1975The negative-sequence losses and their calculation are of great significance for large turbogenerators having high utilization factors. A generalized method for the determination of negative-sequence losses and negative-sequence resistance is given. With the help of equivalent circuits, accounting for all the given constructional particularities of the
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