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International Workshop on Applied Measurements for Power Systems
It goes without saying that the presence of instrument transformers (ITs) is crucial for all monitoring activities of the power network. However, in-field operating conditions are far from being like the laboratory's ideal ones.
Virginia Negri +3 more
semanticscholar +1 more source
It goes without saying that the presence of instrument transformers (ITs) is crucial for all monitoring activities of the power network. However, in-field operating conditions are far from being like the laboratory's ideal ones.
Virginia Negri +3 more
semanticscholar +1 more source
Calibration of Burdens for Instrument Transformers
International Instrumentation and Measurement Technology Conference, 2020The first part of this paper deals with the influence of burden accuracy on the errors of current and voltage instrument transformers. The requirement stated in the prepared standard, corresponding to a tolerance of burden value B ± 3 % and power factor ...
K. Draxler +3 more
semanticscholar +1 more source
International Conference on Communication and Electronics Systems
In this study, we address the challenge of identifying multiple predominant instruments in polyphonic music using Compact Convolution Transformers (CCT).
L. C. R., R. Rajan
semanticscholar +1 more source
In this study, we address the challenge of identifying multiple predominant instruments in polyphonic music using Compact Convolution Transformers (CCT).
L. C. R., R. Rajan
semanticscholar +1 more source
Line Parameters Estimation in Presence of Uncalibrated Instrument Transformers
2019 2nd International Colloquium on Smart Grid Metrology (SMAGRIMET), 2019This paper presents a method to estimate parameters of a 3-phase line segment using PMU data. The novelty of this method is that it is capable of giving accurate estimates even in the presence of non-calibrated instrument transformers at both ends of the
R. S. Singh +4 more
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Low Cost Procedure for Frequency Characterization of Voltage Instrument Transformers
International Instrumentation and Measurement Technology Conference, 2019The paper introduces a simplified method for the frequency characterization of instrument transformers for transmission and distribution grids.
P. S. Letizia +6 more
semanticscholar +1 more source
On the Impact of Winding Selection of Current Instrument Transformers for PMU Measurements
International Symposium on Advanced Topics in Electrical Engineering, 2019Monitoring and control of the energy transfer in electricity grids is performed using the information provided by complex measurement systems, most of them including voltage and current instrument transformers.
Hariss Nicorescu, M. Eremia, M. Albu
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Diagnostic Measurement Practices for Instrument Transformers
2019 IEEE PES GTD Grand International Conference and Exposition Asia (GTD Asia), 2019Statistical study indicates that around 95% of Instrument Transformer failures are not maintenance related but are result of either causes introduced before putting into service or due to incorrect operation.
Khushbu Thakur
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Instrument transformers influence on harmonic measurements for grid code compliance
2018 IEEE 4th Global Electromagnetic Compatibility Conference (GEMCCON), 2018With an increased penetration of renewable energy sources in South Africa, especially photovoltaic (PV) and wind farm generating plants, power quality is becoming more important for utilities. With that also the accuracy of the measurements involved. For
R. Murray, J. D. de Kock
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Evaluation of Low-Power Instrument Transformers for Generator Differential Protection
IEEE Transactions on Power Delivery, 2018In hydroelectric power plants, which are characterized by particularly high short-circuit current levels and high time constants, conventional current transformer specifications can result in increased equipment dimensions, thus complicating their ...
M. Normandeau, J. Mahseredjian
semanticscholar +1 more source