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Electric Power Systems Research, ISSN 0378-7796, 09/2014, Volume 114, pp. 60 - 67
...) as an optimal feature extraction and selection tool for a wavelet packet transform based transformer differential protection... 
Entropy approach | Power transformer | Internal fault | Minimum description length criterion | Inrush current | Wavelet packet analysis | INTERNAL FAULTS | IMPROVED OPERATION | CLASSIFICATION | ARTIFICIAL NEURAL-NETWORK | POWER TRANSFORMERS | ENGINEERING, ELECTRICAL & ELECTRONIC | Algorithms
Journal Article
International Journal of Electrical Power and Energy Systems, ISSN 0142-0615, 12/2017, Volume 93, pp. 283 - 290
... side’s output of electronic transformer is the differential signal of primary side. So, the integration circuit can be omitted when using differential travelling wave signal directly... 
Rogowski coil based electronic current transformer | Differential output | PSCAD/EMTDC | Travelling wave pilot protection | Capacitance divided electronic voltage transformer | PRINCIPLE | ENGINEERING, ELECTRICAL & ELECTRONIC | Electric transformers
Journal Article
Electric power systems research, ISSN 0378-7796, 01/2018, Volume 154, pp. 140 - 150
•The proposed differential protection algorithm is based on current and voltage ratios aided by current direction criterion... 
Current and voltage ratios | Differential relay | Internal fault | Inrush current | INTERNAL FAULTS | RELAY | FUZZY-LOGIC | ALGORITHM | NEURAL-NETWORK | ENGINEERING, ELECTRICAL & ELECTRONIC | Electric transformers | Electrical engineering | Control engineering | Algorithms
Journal Article
Electric Power Systems Research, ISSN 0378-7796, 06/2017, Volume 147, pp. 55 - 61
•The distribution of currents in Scott transformers is described.•Different methods for differential protection of Scott transformers are described... 
Scott transformers | Differential protection | SYSTEM | 3-PHASE POWER TRANSFORMERS | SATURATION | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Energy Procedia, ISSN 1876-6102, 06/2017, Volume 117, pp. 1165 - 1171
Transformer inrush currents during energization result in mal operation of transformer differential protection, due to the flow of magnetizing current only on the primary / source side of the transformer... 
differential protection | inrush current | transformer protection | orthogonal polynomials
Journal Article
IEEE Transactions on Power Electronics, ISSN 0885-8993, 12/2016, Volume 31, Issue 12, pp. 8218 - 8236
Journal Article
IEEE Journal of Solid-State Circuits, ISSN 0018-9200, 12/2005, Volume 40, Issue 12, pp. 2609 - 2618
Journal Article
Electric power systems research, ISSN 0378-7796, 2014, Volume 115, pp. 57 - 64
•A new technique for blocking the operation of the transformer differential relay when subjected to magnetizing inrush current is presented... 
Power transformer | Inrush restaint | Digital relay | Inrush current | Phase angle difference (PAD) | Differential protection | RELAY | DISCRIMINATION | MAGNETIZING INRUSH | ARTIFICIAL NEURAL-NETWORK | FAULTS | ENGINEERING, ELECTRICAL & ELECTRONIC | Electric transformers
Journal Article
International Journal of Electrical Power and Energy Systems, ISSN 0142-0615, 02/2019, Volume 105, pp. 305 - 314
•Hausdorff distance algorithm is applied to transformer differential protection.•The sinusoidal similarity difference between inrush and fault currents is utilized... 
Anti-interference performance | Sinusoidal similarity | Transformer differential protection | Hausdorff distance (HD) algorithm | CT saturation | INTERNAL FAULTS | ALGORITHM | VALIDATION | SIMULATION | POWER TRANSFORMERS | ENGINEERING, ELECTRICAL & ELECTRONIC | DISCRIMINATION | HAUSDORFF DISTANCE | INRUSH CURRENTS | Electrical engineering | Algorithms | Electromagnetism
Journal Article
International Journal of Electrical Power and Energy Systems, ISSN 0142-0615, 02/2019, Volume 105, pp. 753 - 764
....•The phase and harmonic characteristics of wave shapes at both end of zero-sequence differential protection is utilized to identify the external fault removal and the true internal fault... 
Zero-sequence differential protection | Hausdorff distance | Mal-operation | Recovery inrush | Waveform comparison | CT saturation | FAULT | INRUSH | POWER TRANSFORMERS | ENGINEERING, ELECTRICAL & ELECTRONIC | Electric transformers | Electrical engineering | Algorithms | Electromagnetism | Electric current converters | Analysis | Electric properties
Journal Article
Electric power systems research, ISSN 0378-7796, 2014, Volume 111, pp. 78 - 84
•We perform tests on internal partitions of the power transformer.•The proposed method does not depend on the harmonic components of the differential current... 
Gradient vector | Power transformers | Internal faults | Inrush current | Differential current gradient | Differential protection | ENGINEERING, ELECTRICAL & ELECTRONIC | Electric transformers | Methods
Journal Article
IEEE Transactions on Power Delivery, ISSN 0885-8977, 12/2017, Volume 32, Issue 6, pp. 2537 - 2545
Journal Article
International Journal of Electrical Power and Energy Systems, ISSN 0142-0615, 07/2019, Volume 109, pp. 207 - 216
•An advanced differential protection is proposed for single core PSTs.•Tap position is estimated as an input to the protection relay... 
Current transformer | Delta hexagonal | Phase shifting transformer (PST) | Phase shift | CT saturation | ENGINEERING, ELECTRICAL & ELECTRONIC | Electric transformers | Analysis | Methods
Journal Article
International Journal of Electrical Power and Energy Systems, ISSN 0142-0615, 06/2019, Volume 108, pp. 96 - 106
•A new power transformer differential protection based on the instantaneous-current-value negative sequence is proposed... 
Power transformer | Instantaneous-current-value negative sequence signal | Differential protection | SHORT-CIRCUIT | INRUSH | ENGINEERING, ELECTRICAL & ELECTRONIC | Electric transformers | Electric power systems | Algorithms
Journal Article
IEEE journal of solid-state circuits, ISSN 1558-173X, 2018, Volume 53, Issue 8, pp. 2151 - 2163
Journal Article
International Journal of Circuit Theory and Applications, ISSN 0098-9886, 03/2017, Volume 45, Issue 3, pp. 407 - 418
Summary This paper reports a novel oscillator circuit topology based on a transformer‐coupled π‐network. As a case study, the proposed oscillator topology has... 
CMOS | 60 GHz | oscillator topology | transformer | circuit analysis | phase noise | π‐network | π-network | 60 GHz
Journal Article
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