FPGA-Based Smart Sensor to Detect Current Transformer Saturation during Inrush Current Measurement [PDF]
Sensors, 2023 Current transformer saturation affects measurement accuracy and, consequently, protection reliability. One important concern in the case of overcurrent protections is the discrimination between faults and inrush current in power transformers.
G. de J. Martínez-Figueroa +2 more
doaj +6 more sources
Transmission Line Distance Protection Under Current Transformer Saturation [PDF]
Journal of Modern Power Systems and Clean Energy, 2021 Conventional transmission line distance protection approaches are subject to malfunction under reverse fault-induced current transformer (CT) saturation for the typically employed breaker-and-a-half configuration.
Yuping Zheng +5 more
doaj +2 more sources
Digital Current Measurement Element for Operation During Current Transformer Severe Saturation
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2018 The development and implementation of a digital current measurement element for proper operation during current transformer (CT) magnetic core severe saturation are considered.
Yu. V. Rumiantsev +3 more
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Current transformer (CT) saturation classification using empirical mode decomposition (EMD) and relevance vector machine (RVM) [PDF]
Scientific ReportsThe fault is taking place in the power system where the saturation of the Current Transformer (CT) is occurring, among other variations of system parameters.
Nilesh Chothani +3 more
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An enhanced protection scheme for power transformers integrating alpha plane analysis [PDF]
Scientific ReportsPower transformers play a critical role in electric power systems by facilitating connections between subsystems with different voltage levels. Ensuring their reliable operation and protection against faults is essential for maintaining network stability.
Ahmed S. Sayed +4 more
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Influence of Current Transformer Saturation on Operation of Current Protection
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2010 An analysis of the influence of instrument current transformer errors on operation of current protection of power supply diagram elements has been carried out in the paper.
F. A. Romaniouk +5 more
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Detection of Current Transformer Saturation Based on Machine Learning
MathematicsOne of the tasks in the operation of electric power systems is the correct functioning of the protection system and emergency automation algorithms. Instrument voltage and current transformers, operating in accordance with the laws of electromagnetism ...
Ismoil Odinaev +5 more
doaj +3 more sources
Application of saturated core transformer as inrush current limiter
e-Prime: Advances in Electrical Engineering, Electronics and EnergyAn inrush current is a transient current that results from a sudden change in the exciting voltage across a transformer's windings. Reducing the inrush current of transformers is desirable due to mechanical stresses and negligent operation of protective ...
Mehrdad Tarafdar-Hagh +5 more
doaj +4 more sources
The study on the Mal-operation of the transformer current differential protection during external faults cause by CT saturation [PDF]
E3S Web of Conferences, 2021 This paper analyses the unusual mal-operation of the differential protection for transformer current differential protection during the external fault. The mal-operation reason is researched in detail, based on the mathematical analysis, the simulation ...
Wu Jianhong +5 more
doaj +1 more source
Substation protection method for missing measurement information of transformer and bus connecting line [PDF]
E3S Web of Conferences, 2021 In order to solve the problems of protection misoperation and refusing to operate caused by the lack of measurement information in smart substation, a substation protection method which can effectively eliminate the influence of transformer inrush ...
Liu Wei +8 more
doaj +1 more source