Results 21 to 30 of about 70,906 (304)
Machines, 2023 In this paper, variable reactance (VR) criteria are proposed to mitigate voltage deviations in power transformers under light-load inductive and capacitive conditions, as well as for over-load conditions.
Marta Haro-Larrode
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A Solid State Transformer model for power flow calculations [PDF]
, 2017 This paper presents the implementation of a Solid State Transformer (SST) model in OpenDSS. The goal is to develop a SST model that could be useful for assessing the impact that the replacement of the conventional iron-and-copper transformer with the SST
Guerra Sánchez, Luis Gerardo +1 more
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Monitoring of medium voltage distribution networks by balance smart meters [PDF]
E3S Web of ConferencesThis study addresses the issue of monitoring the unbalanced load flow of power distribution networks. To that end, instead of relying on medium voltage meters, we make use of balance smart meters installed on the low-voltage side of distribution ...
Golub Irina +3 more
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The application of the dynamic programming method in investment optimization [PDF]
Megatrend Revija, 2016 This paper deals with the problem of investment in Measuring Transformers Factory in Zajecar and the application of the dynamic programming method as one of the methods used in business process optimization.
Petković Nina, Božinović Milan
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MATEC Web of Conferences, 2018 The present study is devoted to questions connected with influence of solar radiation and high values of ambient air temperatures on work of digital voltage transformers.
Gotovkina Elena +4 more
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Research on the traceability method based on half symmetric superposition
AIP Advances, 2022 In order to achieve high-accuracy self-calibration and traceability of electromagnetic standard voltage transformers, a measurement method that can be used for voltage ratio standard error voltage coefficients is proposed.
Jin Bao, Meimei Duan, Jun Li
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Energies, 2023 Power grids are a combined system where the electrical energy produced by the power plants is transmitted to consumers. This forms a specific interdependence where the recipients have a significant impact on the power quality.
Michal Kaczmarek, Ernest Stano
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Overview of Research Status of DC Bias and Its Suppression in Power Transformers
Energies, 2022 In this article, the sources of DC bias and its effects on power transformers are first summarized. Secondly, the article classifies and summarizes the current DC bias calculation problems of power transformers, and puts forward some interesting ...
Youliang Sun +3 more
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Voltage distribution in multi‐cascaded transformer
Electrical Engineering in Japan, 1997 The voltage distribution for lightning surges in multicascaded transformers that will be used for converter transformers in self-excited dc transmission was studied using model transformers. There was good agreement between measured data and calculated results.
Tatsuhito Nakajima +4 more
openaire +2 more sources
Optimal passive filter design for effective utilization of cables and transformers under non-sinusoidal conditions [PDF]
, 2014 Transformers and cables have overheating and reduced loading capabilities under non-sinusoidal conditions due to the fact that their losses increases with not only rms value but also frequency of the load current.
Aleem, SHEA +3 more
core +1 more source