Efficient CNN‐XGBoost technique for classification of power transformer internal faults against various abnormal conditions

M Raichura, N Chothani, D Patel - … Generation, Transmission & …, 2021 - Wiley Online Library
To increase the classification accuracy of a protection scheme for power transformer, an
effective convolution neural network (CNN) extreme gradient boosting (XGBoost) …

Current-transformer saturation detection using savitzky-golay filter

BM Schettino, CA Duque… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A new application of the Savitzky-Golay (SG) filters in current-transformer saturation
detection is proposed. The ability of the SG filters to handle noisy signals improves the …

An enhanced sub-cycle statistical algorithm for inrush and fault currents classification in differential protection schemes

M Tajdinian, M Allahbakhshi, A Bagheri… - International Journal of …, 2020 - Elsevier
Differential protection is a widely-used approach for power transformer protection, the
performance of which may be, at times, challenged due to the inrush current and current …

Development of an adaptive differential protection scheme for transformer during current transformer saturation and over‐fluxing condition

M Raichura, N Chothani, D Patel - … Transactions on Electrical …, 2021 - Wiley Online Library
Despite having several modern transformer protection schemes, the protection engineer
prefers the universally adopted unit‐type differential protection scheme for the current …

Detection of current transformer saturation based on variational mode decomposition analysis

AA Abdoos - IET Generation, Transmission & Distribution, 2016 - Wiley Online Library
Sometimes, current transformers (CTs) are saturated in power systems due to increase of
flux passing through the CT core. The distorted CT secondary current can lead to …

Real-time monitoring & protection of power transformer to enhance smart grid reliability

NG Chothani, MB Raichura, DD Patel… - 2018 IEEE electrical …, 2018 - ieeexplore.ieee.org
Due to deregulation of the power system, grid reliability becomes more complicated. Even,
day by day small-scale and renewable power generation is inserted in a distribution system …

Current-transformer saturation prevention using a controlled voltage-source compensator

E Hajipour, M Vakilian… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Current-transformer (CT) saturation causes severe distortion in the measured current
waveform which may lead to maloperation of the protective devices. This paper proposes a …

Bayesian deep neural network to compensate for current transformer saturation

S Key, SH Kang, NH Lee, SR Nam - IEEE Access, 2021 - ieeexplore.ieee.org
Current transformer saturation has a negative effect on the operation of IEDs, resulting in
their malfunction. Here, we present a technique to compensate for saturated waveforms …

Compensation of the current transformer saturation effects for transmission line fault location with impedance-differential relay

J Herlender, J Iżykowski, K Solak - Electric Power Systems Research, 2020 - Elsevier
In this paper, the impedance-differential protection dedicated to transmission lines is
analysed. The considerations are focused on the extra function of such protection, namely …

Adaptive digital differential protection of power transformer

D Patel, N Chothani, D Patel, N Chothani - Digital Protective Schemes for …, 2020 - Springer
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