Power transformer protection based on decision tree approach

O Ozgonenel, S Karagol - IET Electric Power Applications, 2014 - Wiley Online Library
This study introduces the concept of decision tree (DT) classification, a new approach to
power transformer differential protection. The proposed technique is based on processing …

Fuel cell systems reliability and availability enhancement by develo** a fast and efficient power switch open-circuit fault detection algorithm in interleaved DC/DC …

D Guilbert, A N'Diaye, A Gaillard, A Djerdir - International Journal of …, 2016 - Elsevier
Due to the low and unregulated voltage generated by fuel cells, power electronic
conditioning systems such as DC/DC converter are required in Fuel Cell Systems (FCS) …

A correlation based method for discrimination between inrush and short circuit currents in differential protection of power transformer using discrete wavelet transform …

M Rasoulpoor, M Banejad - International Journal of Electrical Power & …, 2013 - Elsevier
This paper presents a new method for discrimination between magnetic inrush current and
internal fault current in the differential protection of power transformer. The proposed method …

Adaptive differential protection of three-phase power transformers based on transient signal analysis

MO Oliveira, AS Bretas, GD Ferreira - … Journal of Electrical Power & Energy …, 2014 - Elsevier
This paper presents a three-phase power transformer percentage differential protection
formulation based on transient signal analysis. The proposed formulation uses discrete …

New approach for power transformer protection based on intelligent hybrid systems

D Barbosa, DV Coury, M Oleskovicz - IET generation, transmission & distribution, 2012 - IET
A power transformer needs continuous monitoring and fast protection as it is a very
expensive piece of equipment and an essential element in an electrical power system. The …

Interturn faults detection of transformers by diagnosis of neutral current

MS Ballal, HM Suryawanshi, MK Mishra… - … on Power Delivery, 2015 - ieeexplore.ieee.org
Interturn short-circuit faults are the leading cause of power transformer's failure. If not
detected at the incipient stage, these faults usually develop into more severe faults that …

Transformer differential protection by online core modeling and orthogonal polynomials

B Khalkhali, J Sadeh - IEEE Transactions on Power Delivery, 2014 - ieeexplore.ieee.org
By expressing the newly defined “magnetic pseudo-characteristic” in terms of orthogonal
polynomials, a new method is proposed to discriminate between inrush and fault currents. In …

Digital differential protection technique of transmission line using instantaneous active current: theory, simulation and experiment

X Deng, R Yuan, T Li, W Liu, Y Shen… - IET Generation …, 2015 - Wiley Online Library
Current differential protection is widely used as the main protection in UHV/EHV (Ultra/Extra
High Voltage) transmission lines with advantages of simple principle, high reliability and …

Induced voltages ratio-based algorithm for fault detection, and faulted phase and winding identification of a three-winding power transformer

BE Lee, JW Park, PA Crossley, YC Kang - Energies, 2014 - mdpi.com
This paper proposes an algorithm for fault detection, faulted phase and winding
identification of a three-winding power transformer based on the induced voltages in the …

Healthy and faulty mode detection in power distribution networks based on park transformation

R Dashti, M Daisy, MH Aliabadi - Electric power systems research, 2021 - Elsevier
Distribution Network (DN) face sundry transient conditions, resulting in incorrect detection of
fault and mal-operation based on load type, capacity, and number of transformers in the …