Articles de journaux
|
2022
|
35. | dos Santos Lima, Giovana Pereira; Ait-Amar, Sonia; Velu, Gabriel; Frezel, Philippe; Boudiba, Abdelhamid; Poelman, Mireille; Nicolay, Arnaud; Herze, Pierre-Yves: Performance Analysis Based on Thermal Aging Tests of Sol-Gel and Polymer Insulated Wires by Enameling and Extrusion Technology. Dans: Energies, vol. 15, no. 14, p. 5164, 2022, ISSN: 1996-1073. @article{PereiradosSantosLima2022,
title = {Performance Analysis Based on Thermal Aging Tests of Sol-Gel and Polymer Insulated Wires by Enameling and Extrusion Technology},
author = {Giovana Pereira dos Santos Lima and Sonia Ait-Amar and Gabriel Velu and Philippe Frezel and Abdelhamid Boudiba and Mireille Poelman and Arnaud Nicolay and Pierre-Yves Herze},
url = {https://www.mdpi.com/1996-1073/15/14/5164},
doi = {10.3390/en15145164},
issn = {1996-1073},
year = {2022},
date = {2022-07-01},
journal = {Energies},
volume = {15},
number = {14},
pages = {5164},
abstract = {This research activity aims to evaluate electrical insulation system (EIS) intended for electrical machine winding wires. The evaluation is based on mechanical, thermal, and electrical properties tests following international standards for enameled wires. Dielectric parameters such as dissipation factor, partial discharge inception voltage (PDIV), parallel capacitance, and parallel resistance behavior of different insulator configurations on twisted-pair samples are observed during thermal aging tests. Those configurations are formed of different combinations of dielectric layers based on conventional polymers (polyester-imide (PEI), polyamide-imide (PAI), polyimide (PI)) used as coating wires. A study using two mineral varnishes (silica-based) obtained by the sol-gel process integrated on these classical enamels an outer layer of extrusion of thermoplastic polymer with and without mineral fillers. Given the high consummation of energy and the use of unsustainable materials involving the production of wires, the principal interest of this work is to exploit new configurations of coating wire produced, with less environmental impact than conventional ones. This work investigates the impact of filled resins on the performance of insulating samples and the influence of the use of sol-gel solutions (mineral varnishes) on the insulated wire to increase the thermal class.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This research activity aims to evaluate electrical insulation system (EIS) intended for electrical machine winding wires. The evaluation is based on mechanical, thermal, and electrical properties tests following international standards for enameled wires. Dielectric parameters such as dissipation factor, partial discharge inception voltage (PDIV), parallel capacitance, and parallel resistance behavior of different insulator configurations on twisted-pair samples are observed during thermal aging tests. Those configurations are formed of different combinations of dielectric layers based on conventional polymers (polyester-imide (PEI), polyamide-imide (PAI), polyimide (PI)) used as coating wires. A study using two mineral varnishes (silica-based) obtained by the sol-gel process integrated on these classical enamels an outer layer of extrusion of thermoplastic polymer with and without mineral fillers. Given the high consummation of energy and the use of unsustainable materials involving the production of wires, the principal interest of this work is to exploit new configurations of coating wire produced, with less environmental impact than conventional ones. This work investigates the impact of filled resins on the performance of insulating samples and the influence of the use of sol-gel solutions (mineral varnishes) on the insulated wire to increase the thermal class. |
34. | Ait-Amar, Sonia; Saoudi, Rania; Vélu, Gabriel: Thermal Aging Study of an Anodized Aluminum Strip Wire for Winding and High Temperature Use. Dans: Energies, vol. 15, no. 15, p. 5362, 2022, ISSN: 1996-1073. @article{Ait-Amar2022a,
title = {Thermal Aging Study of an Anodized Aluminum Strip Wire for Winding and High Temperature Use},
author = {Sonia Ait-Amar and Rania Saoudi and Gabriel Vélu},
url = {https://www.mdpi.com/1996-1073/15/15/5362},
doi = {10.3390/en15155362},
issn = {1996-1073},
year = {2022},
date = {2022-07-01},
journal = {Energies},
volume = {15},
number = {15},
pages = {5362},
abstract = {Electrical machines are commonly used in industries and transport and are manufactured with enameled wire coils with polymer insulation. In extreme conditions, as in aeronautics and aerospace, where temperatures exceed 280 °C, the organic insulation deteriorates and it is necessary to find another way to insulate winding wires, in order to ensure a longer life duration of the insulation system and a better operating reliability of electric motors in these environments. Ceramics are more resistant to high temperatures than polymers and the proposed study focuses on the temperature dependence of the dielectric properties of anodized aluminum strips for use in high-temperature electrical machine windings. Different dielectric parameters are measured during thermal constraint. The purpose is to determine the temperature index of the anodized strip and propose a thermal stress life model.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Electrical machines are commonly used in industries and transport and are manufactured with enameled wire coils with polymer insulation. In extreme conditions, as in aeronautics and aerospace, where temperatures exceed 280 °C, the organic insulation deteriorates and it is necessary to find another way to insulate winding wires, in order to ensure a longer life duration of the insulation system and a better operating reliability of electric motors in these environments. Ceramics are more resistant to high temperatures than polymers and the proposed study focuses on the temperature dependence of the dielectric properties of anodized aluminum strips for use in high-temperature electrical machine windings. Different dielectric parameters are measured during thermal constraint. The purpose is to determine the temperature index of the anodized strip and propose a thermal stress life model. |
33. | Ait-Amar, Sonia; Koita, Abdoulay; Vélu, Gabriel: Interpretation of Eccentricity of an Enameled Wire by Capacitance Measurements. Dans: Energies, vol. 15, no. 8, p. 2802, 2022, ISSN: 1996-1073. @article{Ait-Amar2022,
title = {Interpretation of Eccentricity of an Enameled Wire by Capacitance Measurements},
author = {Sonia Ait-Amar and Abdoulay Koita and Gabriel Vélu},
url = {https://www.mdpi.com/1996-1073/15/8/2802},
doi = {10.3390/en15082802},
issn = {1996-1073},
year = {2022},
date = {2022-04-01},
journal = {Energies},
volume = {15},
number = {8},
pages = {2802},
abstract = {There are systems dedicated to measuring the eccentricity of enameled wires based on optical and electromagnetic phenomena. However, these methods are limited by the nature of the insulation and the conductor. The proposed solution consists of checking the wire eccentricity by an electrical measurement. Since it is a conductor on which an insulator is placed, the idea consists of forming a capacitor and measuring its capacitance in order to deduce the insulation thickness.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
There are systems dedicated to measuring the eccentricity of enameled wires based on optical and electromagnetic phenomena. However, these methods are limited by the nature of the insulation and the conductor. The proposed solution consists of checking the wire eccentricity by an electrical measurement. Since it is a conductor on which an insulator is placed, the idea consists of forming a capacitor and measuring its capacitance in order to deduce the insulation thickness. |
2020
|
29. | Roger, Daniel; Velu, Gabriel; Ait-Amar, Sonia; Babicz, Sylvain: High temperature machines: A comparison between ceramic-coated wires and anodized aluminum strips. Dans: International Journal of Applied Electromagnetics and Mechanics, vol. 63, no. 4, p. 715–724, 2020, ISSN: 13835416. @article{Roger2020,
title = {High temperature machines: A comparison between ceramic-coated wires and anodized aluminum strips},
author = {Daniel Roger and Gabriel Velu and Sonia Ait-Amar and Sylvain Babicz},
editor = {Jean-Philippe Lecointe and Ewa Napieralska and Andrzej Demenko},
url = {https://www.medra.org/servlet/aliasResolver?alias=iospress&doi=10.3233/JAE-209209},
doi = {10.3233/JAE-209209},
issn = {13835416},
year = {2020},
date = {2020-08-01},
journal = {International Journal of Applied Electromagnetics and Mechanics},
volume = {63},
number = {4},
pages = {715--724},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
28. | Roger, Daniel; Ait-Amar, Sonia; Napieralska-Juszczak, Ewa; Napieralski, Piotr: Proposition for Improving the Design of Motor Windings for Low-Pressure Environment. Dans: IEEE Transactions on Industry Applications, vol. 56, no. 3, p. 2491–2499, 2020, ISSN: 0093-9994. @article{Roger2020b,
title = {Proposition for Improving the Design of Motor Windings for Low-Pressure Environment},
author = {Daniel Roger and Sonia Ait-Amar and Ewa Napieralska-Juszczak and Piotr Napieralski},
url = {https://ieeexplore.ieee.org/document/8998178/},
doi = {10.1109/TIA.2020.2973944},
issn = {0093-9994},
year = {2020},
date = {2020-05-01},
journal = {IEEE Transactions on Industry Applications},
volume = {56},
number = {3},
pages = {2491--2499},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
2019
|
27. | Ait-Amar, Sonia; Roger, Daniel; Savin, Serghei: Aging monitoring of electrical machines using winding high frequency equivalent circuits. Dans: Open Physics, vol. 17, no. 1, p. 670–677, 2019, ISSN: 2391-5471. @article{Ait-Amar2019,
title = {Aging monitoring of electrical machines using winding high frequency equivalent circuits},
author = {Sonia Ait-Amar and Daniel Roger and Serghei Savin},
url = {https://www.degruyter.com/document/doi/10.1515/phys-2019-0069/html},
doi = {10.1515/phys-2019-0069},
issn = {2391-5471},
year = {2019},
date = {2019-12-01},
journal = {Open Physics},
volume = {17},
number = {1},
pages = {670--677},
abstract = {This study defines a monitoring method based on impedance analysis in the upper part of the spectrum. It focuses on the analysis of the high frequency behavior of electrical machines windings considering the turn-to-turn capacitance variations (delta-C) due to insulation aging. An equivalent circuit is automatically generated from the turn arrangements in coils; parameters are computed considering the coil shape and the characteristics of insulation materials. PSpice analysis of the equivalent circuit yields the resonance frequencies to be monitored. With this software and a database giving the relationship between the turn-to-turn capacitance variation delta-C and the reduction of insulation performances due to aging, it is possible to build a monitoring system able to produce an alert when the probability of failure becomes higher than a predetermined level.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This study defines a monitoring method based on impedance analysis in the upper part of the spectrum. It focuses on the analysis of the high frequency behavior of electrical machines windings considering the turn-to-turn capacitance variations (delta-C) due to insulation aging. An equivalent circuit is automatically generated from the turn arrangements in coils; parameters are computed considering the coil shape and the characteristics of insulation materials. PSpice analysis of the equivalent circuit yields the resonance frequencies to be monitored. With this software and a database giving the relationship between the turn-to-turn capacitance variation delta-C and the reduction of insulation performances due to aging, it is possible to build a monitoring system able to produce an alert when the probability of failure becomes higher than a predetermined level. |
26. | Ait-Amar, Sonia; Roger, Daniel; Mateo, Emmanuel: An enameled wire with a semi-conductive layer: A solution for a better distibution of the voltage stresses in motor windings. Dans: Open Physics, vol. 17, no. 1, p. 652–656, 2019, ISSN: 2391-5471. @article{Ait-Amar2019a,
title = {An enameled wire with a semi-conductive layer: A solution for a better distibution of the voltage stresses in motor windings},
author = {Sonia Ait-Amar and Daniel Roger and Emmanuel Mateo},
url = {https://www.degruyter.com/document/doi/10.1515/phys-2019-0067/html},
doi = {10.1515/phys-2019-0067},
issn = {2391-5471},
year = {2019},
date = {2019-12-01},
journal = {Open Physics},
volume = {17},
number = {1},
pages = {652--656},
abstract = {The paper analyzes a possible improvement of Pulse Width Modulation (PWM) fed motor insulation according to a principle developed by the high voltages industry. The proposed principle consists in using a specific enameled wire made with an additional semi-conductive layer on its outer surface.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The paper analyzes a possible improvement of Pulse Width Modulation (PWM) fed motor insulation according to a principle developed by the high voltages industry. The proposed principle consists in using a specific enameled wire made with an additional semi-conductive layer on its outer surface. |
2018
|
24. | Roger, Daniel; Ait-Amar, Sonia; Napieralska, Ewa: A method to reduce partial discharges in motor windings fed by PWM inverter. Dans: Open Physics, vol. 16, no. 1, p. 599–604, 2018, ISSN: 2391-5471. @article{Roger2018c,
title = {A method to reduce partial discharges in motor windings fed by PWM inverter},
author = {Daniel Roger and Sonia Ait-Amar and Ewa Napieralska},
url = {https://www.degruyter.com/document/doi/10.1515/phys-2018-0078/html},
doi = {10.1515/phys-2018-0078},
issn = {2391-5471},
year = {2018},
date = {2018-10-01},
journal = {Open Physics},
volume = {16},
number = {1},
pages = {599--604},
abstract = {A new approach for designing ac motor windings free of partial discharges (PD) is proposed. The method consists of adding a thin conducting layer on the outer surface of the enameled wire used for building the machine winding. With this additional layer, PDs occur only in critical zones localized near the wire connections rather than randomly in the residual voids between turns. With such deterministic localizations, it is possible to reduce strongly the PD activity by adding small quantities of varnish in the determined critical zones. After studying the validity of the Paschen's hypotheses for this application, the Paschen's law is coupled to an electrostatic finite element analysis, for predicting the Partial Discharge Inception Voltage (PDIV), which corresponds to the electronic avalanche ignition in the air of critical zones.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
A new approach for designing ac motor windings free of partial discharges (PD) is proposed. The method consists of adding a thin conducting layer on the outer surface of the enameled wire used for building the machine winding. With this additional layer, PDs occur only in critical zones localized near the wire connections rather than randomly in the residual voids between turns. With such deterministic localizations, it is possible to reduce strongly the PD activity by adding small quantities of varnish in the determined critical zones. After studying the validity of the Paschen's hypotheses for this application, the Paschen's law is coupled to an electrostatic finite element analysis, for predicting the Partial Discharge Inception Voltage (PDIV), which corresponds to the electronic avalanche ignition in the air of critical zones. |
2017
|
21. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel; Cavallini, Andréa; Mancinelli, Paolo: Behavior of anodized aluminum strip under sine and square wave voltage. Dans: IEEE Transactions on Dielectrics and Electrical Insulation, vol. 24, no. 1, p. 39–46, 2017, ISSN: 1070-9878. @article{Babicz2017,
title = {Behavior of anodized aluminum strip under sine and square wave voltage},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu and Andréa Cavallini and Paolo Mancinelli},
url = {http://ieeexplore.ieee.org/document/7873458/},
doi = {10.1109/TDEI.2016.005834},
issn = {1070-9878},
year = {2017},
date = {2017-02-01},
journal = {IEEE Transactions on Dielectrics and Electrical Insulation},
volume = {24},
number = {1},
pages = {39--46},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
2016
|
16. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel: Dielectric characteristics of an anodized aluminum strip. Dans: IEEE Transactions on Dielectrics and Electrical Insulation, vol. 23, no. 5, p. 2970–2977, 2016, ISSN: 1070-9878. @article{Babicz2016c,
title = {Dielectric characteristics of an anodized aluminum strip},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu},
url = {http://ieeexplore.ieee.org/document/7736860/},
doi = {10.1109/TDEI.2016.7736860},
issn = {1070-9878},
year = {2016},
date = {2016-10-01},
journal = {IEEE Transactions on Dielectrics and Electrical Insulation},
volume = {23},
number = {5},
pages = {2970--2977},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
2015
|
12. | Ait-Amar, Sonia; Zeddam, Ahmed: Protection contre la foudre. Principes généraux et normes en vigueur. Dans: Techniques de l'ingénieur, vol. D1335, 2015. @article{Ait-Amar2015,
title = {Protection contre la foudre. Principes généraux et normes en vigueur},
author = {Sonia Ait-Amar and Ahmed Zeddam},
year = {2015},
date = {2015-01-01},
journal = {Techniques de l'ingénieur},
volume = {D1335},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
2013
|
7. | Savin, Serghei; Ait-Amar, Sonia; Roger, Daniel: Cable aging influence on motor diagnostic system. Dans: IEEE Transactions on Dielectrics and Electrical Insulation, vol. 20, no. 4, p. 1340–1346, 2013, ISSN: 1070-9878. @article{Savin2013b,
title = {Cable aging influence on motor diagnostic system},
author = {Serghei Savin and Sonia Ait-Amar and Daniel Roger},
url = {http://ieeexplore.ieee.org/document/6571454/},
doi = {10.1109/TDEI.2013.6571454},
issn = {1070-9878},
year = {2013},
date = {2013-08-01},
journal = {IEEE Transactions on Dielectrics and Electrical Insulation},
volume = {20},
number = {4},
pages = {1340--1346},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
6. | Savin, Serghei; Ait-Amar, Sonia; Roger, Daniel: Turn-to-turn capacitance variations correlated to PDIV for AC motors monitoring. Dans: IEEE Transactions on Dielectrics and Electrical Insulation, vol. 20, no. 1, p. 34–41, 2013, ISSN: 1070-9878. @article{Savin2013d,
title = {Turn-to-turn capacitance variations correlated to PDIV for AC motors monitoring},
author = {Serghei Savin and Sonia Ait-Amar and Daniel Roger},
url = {http://ieeexplore.ieee.org/document/6451339/},
doi = {10.1109/TDEI.2013.6451339},
issn = {1070-9878},
year = {2013},
date = {2013-02-01},
journal = {IEEE Transactions on Dielectrics and Electrical Insulation},
volume = {20},
number = {1},
pages = {34--41},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
|
Actes
|
2022
|
32. | dos Santos Lima, Giovana Pereira; Ait-Amar, Sonia; Vélu, Gabriel; Frezel, Philippe: Study of new ecological magnet wires performances during thermal aging tests. Dans: IEEE 4th International Conference on Dielectrics (ICD), Palermo, Italy, 2022. @inproceedings{PereiradosSantosLima2022b,
title = {Study of new ecological magnet wires performances during thermal aging tests},
author = {Giovana Pereira dos Santos Lima and Sonia Ait-Amar and Gabriel Vélu and Philippe Frezel},
year = {2022},
date = {2022-07-01},
booktitle = {IEEE 4th International Conference on Dielectrics (ICD)},
address = {Palermo, Italy},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
31. | Ait-Amar, Sonia: Existing standards to qualify magnet wire. Focus on Mechanical & Dielectrical tests. Dans: INTERREG Project Hi Ecowire, 2022. @inproceedings{Ait-AmarDjennad2022,
title = {Existing standards to qualify magnet wire. Focus on Mechanical & Dielectrical tests},
author = {Sonia Ait-Amar},
year = {2022},
date = {2022-04-01},
booktitle = {INTERREG Project Hi Ecowire},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
30. | dos Santos Lima, Giovana Pereira; Ait-Amar, Sonia; Vélu, Gabriel: Observation du PDIV durant le vieillissement thermique des fils isolés à base de sol-gel et de résines d'extrusion. Dans: 7èmes Journées Scientifiques 2022 GT Matériaux Diélectriques, Grenoble, France, 2022. @inproceedings{PereiradosSantosLima2022a,
title = {Observation du PDIV durant le vieillissement thermique des fils isolés à base de sol-gel et de résines d'extrusion},
author = {Giovana Pereira dos Santos Lima and Sonia Ait-Amar and Gabriel Vélu},
year = {2022},
date = {2022-03-01},
booktitle = {7èmes Journées Scientifiques 2022 GT Matériaux Diélectriques},
address = {Grenoble, France},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2019
|
25. | Hachour, Samir; Ait-Amar, Sonia; Delmotte, François; Velu, Gabriel: A Belief Function Solution for Stator Insulation Robustness Study. Dans: 9th International Conference on Power and Energy Systems (ICPES), p. 1–5, Perth, Australia, 2019, ISBN: 9781728126586. @inproceedings{Hachour2019,
title = {A Belief Function Solution for Stator Insulation Robustness Study},
author = {Samir Hachour and Sonia Ait-Amar and François Delmotte and Gabriel Velu},
url = {https://ieeexplore.ieee.org/document/9105428/},
doi = {10.1109/ICPES47639.2019.9105428},
isbn = {9781728126586},
year = {2019},
date = {2019-12-01},
booktitle = {9th International Conference on Power and Energy Systems (ICPES)},
pages = {1--5},
address = {Perth, Australia},
abstract = {This paper proposes a model-based decision taking solution for electrical machines winding insulation robustness study. The solution is based on the Belief Function (BF) theory. It is processed in two main steps: a first one aims to learn Weibull model parameters from some labeled aging Partial Discharge Inception Voltage (PDIV) data. Then a second classification step separates some unlabeled PDIV data according to the learnt Weibull models. The classification results can give information on the robustness and the reliability of the Electrical Insulation System (EIS) under a thermal constraint.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
This paper proposes a model-based decision taking solution for electrical machines winding insulation robustness study. The solution is based on the Belief Function (BF) theory. It is processed in two main steps: a first one aims to learn Weibull model parameters from some labeled aging Partial Discharge Inception Voltage (PDIV) data. Then a second classification step separates some unlabeled PDIV data according to the learnt Weibull models. The classification results can give information on the robustness and the reliability of the Electrical Insulation System (EIS) under a thermal constraint. |
2018
|
23. | Sellah, Mahdi; Wecxteen, Jean-François; Ait-Amar, Sonia; Roger, Daniel: Partial discharge investigations in laminated busbars. Dans: 2nd International Conference on Dielectrics (ICD), p. 1–4, Budapest, Hungary, 2018, ISBN: 978-1-5386-6389-9. @inproceedings{Sellah2018,
title = {Partial discharge investigations in laminated busbars},
author = {Mahdi Sellah and Jean-François Wecxteen and Sonia Ait-Amar and Daniel Roger},
url = {https://ieeexplore.ieee.org/document/8514581/},
doi = {10.1109/icd.2018.8514581},
isbn = {978-1-5386-6389-9},
year = {2018},
date = {2018-07-01},
booktitle = {2nd International Conference on Dielectrics (ICD)},
pages = {1--4},
address = {Budapest, Hungary},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
22. | Roger, Daniel; Ait-Amar, Sonia; Napieralska, Ewa; Napieralski, Piotr: A Proposition for Improving the Design of Motor Windings for low-Pressure Environment. Dans: IEEE Transportation and Electrification Conference and Expo (ITEC), p. 406–411, Long Beach, CA, USA, 2018, ISBN: 9781538630488. @inproceedings{Roger2018b,
title = {A Proposition for Improving the Design of Motor Windings for low-Pressure Environment},
author = {Daniel Roger and Sonia Ait-Amar and Ewa Napieralska and Piotr Napieralski},
url = {https://ieeexplore.ieee.org/document/8450175/},
doi = {10.1109/ITEC.2018.8450175},
isbn = {9781538630488},
year = {2018},
date = {2018-06-01},
booktitle = {IEEE Transportation and Electrification Conference and Expo (ITEC)},
pages = {406--411},
address = {Long Beach, CA, USA},
abstract = {In low-pressure environment, partial discharges (PDs) appear for lower voltages, shortening strongly the machines life times fed by PWM inverters. A new approach is proposed for designing AC motor windings free of PD at low pressure. The method consists of adding a thin resistive layer on the outer surface of the enameled wire used for winding the machine. Thereby, PDs occur only in critical zones, near the wire connections, rather than randomly in coils. Consequently, a coil design with a small additional quantity of varnish in critical zones can increase strongly the partial discharge inception voltage (PDIV). The paper proposes a theoretical analysis of the improvement based on Paschen's law for its application in non homogenous electrical fields.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
In low-pressure environment, partial discharges (PDs) appear for lower voltages, shortening strongly the machines life times fed by PWM inverters. A new approach is proposed for designing AC motor windings free of PD at low pressure. The method consists of adding a thin resistive layer on the outer surface of the enameled wire used for winding the machine. Thereby, PDs occur only in critical zones, near the wire connections, rather than randomly in coils. Consequently, a coil design with a small additional quantity of varnish in critical zones can increase strongly the partial discharge inception voltage (PDIV). The paper proposes a theoretical analysis of the improvement based on Paschen's law for its application in non homogenous electrical fields. |
2017
|
20. | Ait-Amar, Sonia; Velu, Gabriel; Frezel, Philippe: Dielctric Parameters Study of Potting Resin. Dans: IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2017), p. 209–212, Fort Worth, TX, USA, 2017. @inproceedings{Aitamar2017,
title = {Dielctric Parameters Study of Potting Resin},
author = {Sonia Ait-Amar and Gabriel Velu and Philippe Frezel},
year = {2017},
date = {2017-10-01},
booktitle = {IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2017)},
pages = {209--212},
address = {Fort Worth, TX, USA},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
19. | Sellah, Mahdi; Ait-Amar, Sonia; Roger, Daniel; Wecxteen, Jean-François: Localisation des zones singulières propices aux décharges partielles dans les busbars laminés. Dans: Journées couplées SEEDS / Jeunes Chercheurs en Génie Électrique, Arras, France, 2017. @inproceedings{Sellah2017,
title = {Localisation des zones singulières propices aux décharges partielles dans les busbars laminés},
author = {Mahdi Sellah and Sonia Ait-Amar and Daniel Roger and Jean-François Wecxteen},
year = {2017},
date = {2017-06-01},
booktitle = {Journées couplées SEEDS / Jeunes Chercheurs en Génie Électrique},
address = {Arras, France},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
18. | Roger, Daniel; Ait-Amar, Sonia; Napieralska, Ewa: A method to reduce partial discharges in the windings of motor fed by PWM inverters. Dans: XVIII International Symposium on Electromagnetic Fields (ISEF), Lodz, Poland, 2017. @inproceedings{Roger2017b,
title = {A method to reduce partial discharges in the windings of motor fed by PWM inverters},
author = {Daniel Roger and Sonia Ait-Amar and Ewa Napieralska},
year = {2017},
date = {2017-01-01},
booktitle = {XVIII International Symposium on Electromagnetic Fields (ISEF)},
address = {Lodz, Poland},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
17. | Roger, Daniel; Ait-Amar, Sonia; Napieralska, Ewa: A method for determining the voltage distribution in the windings of high temperature inverter-fed motors. Dans: XVIII International Symposium on Electromagnetic Fields (ISEF), Lodz, Poland, 2017. @inproceedings{Roger2017a,
title = {A method for determining the voltage distribution in the windings of high temperature inverter-fed motors},
author = {Daniel Roger and Sonia Ait-Amar and Ewa Napieralska},
year = {2017},
date = {2017-01-01},
booktitle = {XVIII International Symposium on Electromagnetic Fields (ISEF)},
address = {Lodz, Poland},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2016
|
15. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel: Temperature and humidity dependence of anodized aluminum strip. Dans: IEEE 1st International Conference on Dielectrics (ICD), p. 979–982, Montpellier, France, 2016, ISBN: 9781509028023. @inproceedings{Babicz2016b,
title = {Temperature and humidity dependence of anodized aluminum strip},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu},
url = {http://ieeexplore.ieee.org/document/7547781/},
doi = {10.1109/ICD.2016.7547781},
isbn = {9781509028023},
year = {2016},
date = {2016-07-01},
booktitle = {IEEE 1st International Conference on Dielectrics (ICD)},
volume = {2},
pages = {979--982},
address = {Montpellier, France},
abstract = {High temperature machines are progressively showing their interest as more and more electrical engineering problems required them: air extractor fans for fire emergency equipment, aeronautical actuators. It is therefore needed to develop heat-resistant insulation to increase the reliability under high temperature. A proposed solution is the use of anodized aluminum strip which insulation is from the family of ceramics. Previous works determined the dielectric behavior of this strip under high temperature stress. This machine, whose coils will be wound with this strip, will be exposed to various surroundings conditions. The aim of this paper is to determine the dielectric behavior of this strip under climate conditions as varying humidity level and negative temperature. Partial Discharge Inception Voltage (PDIV) as well as Breakdown Voltage (BV) are studied. The results are correlated with the Paschen's law using humidity and temperature corrections.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
High temperature machines are progressively showing their interest as more and more electrical engineering problems required them: air extractor fans for fire emergency equipment, aeronautical actuators. It is therefore needed to develop heat-resistant insulation to increase the reliability under high temperature. A proposed solution is the use of anodized aluminum strip which insulation is from the family of ceramics. Previous works determined the dielectric behavior of this strip under high temperature stress. This machine, whose coils will be wound with this strip, will be exposed to various surroundings conditions. The aim of this paper is to determine the dielectric behavior of this strip under climate conditions as varying humidity level and negative temperature. Partial Discharge Inception Voltage (PDIV) as well as Breakdown Voltage (BV) are studied. The results are correlated with the Paschen's law using humidity and temperature corrections. |
14. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel: Evaluation of the boron oxide healing performance in the case of anodized aluminum strip coils. Dans: IEEE 1st International Conference on Dielectrics (ICD), p. 983–986, Montpellier, France, 2016, ISBN: 9781509028023. @inproceedings{Babicz2016,
title = {Evaluation of the boron oxide healing performance in the case of anodized aluminum strip coils},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu},
url = {http://ieeexplore.ieee.org/document/7547782/},
doi = {10.1109/ICD.2016.7547782},
isbn = {9781509028023},
year = {2016},
date = {2016-07-01},
booktitle = {IEEE 1st International Conference on Dielectrics (ICD)},
volume = {2},
pages = {983--986},
address = {Montpellier, France},
abstract = {A research topic is more and more subject of interest in electrical engineering: the development of electric machines that can withstand high temperature as high as 400 °C. A proposed solution is the use of anodized aluminum strip which insulation is from the family of ceramics. This insulation layer has a good resistance to this range of temperature as its melting point is around 2000 °C. Microscopic observations of this strip revealed cracks of the alumina layer on the edge: coils made with this strip show a premature breakdown. The purpose of this paper is to determine the efficiency of boron oxide deposited on coil edges to improve breakdown voltage level.},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
A research topic is more and more subject of interest in electrical engineering: the development of electric machines that can withstand high temperature as high as 400 °C. A proposed solution is the use of anodized aluminum strip which insulation is from the family of ceramics. This insulation layer has a good resistance to this range of temperature as its melting point is around 2000 °C. Microscopic observations of this strip revealed cracks of the alumina layer on the edge: coils made with this strip show a premature breakdown. The purpose of this paper is to determine the efficiency of boron oxide deposited on coil edges to improve breakdown voltage level. |
13. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel: Etude d'un isolant plat anodisé pour la conception de machines électriques alimentées en MLI. Dans: Journées couplées SEEDS / Jeunes Chercheurs en Génie Électrique, Laval, France, 2016. @inproceedings{Babicz2016a,
title = {Etude d'un isolant plat anodisé pour la conception de machines électriques alimentées en MLI},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu},
year = {2016},
date = {2016-03-01},
booktitle = {Journées couplées SEEDS / Jeunes Chercheurs en Génie Électrique},
address = {Laval, France},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2015
|
11. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel: Optimized method for winding a coil with anodized aluminum tape. Dans: XVII International Symposium on Electromagnetic Fields (ISEF), Valencia, Spain, 2015. @inproceedings{Babicz2015,
title = {Optimized method for winding a coil with anodized aluminum tape},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu},
year = {2015},
date = {2015-09-01},
booktitle = {XVII International Symposium on Electromagnetic Fields (ISEF)},
address = {Valencia, Spain},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2014
|
10. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel: Preliminary study of using anodized aluminum strip for electrical motor windings. Dans: IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2014), p. 176–179, Des Moines, IA, USA, 2014, ISBN: 978-1-4799-7525-9. @inproceedings{Babicz2014a,
title = {Preliminary study of using anodized aluminum strip for electrical motor windings},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu},
url = {https://ieeexplore.ieee.org/document/6995808/},
doi = {10.1109/CEIDP.2014.6995808},
isbn = {978-1-4799-7525-9},
year = {2014},
date = {2014-10-01},
booktitle = {IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2014)},
pages = {176--179},
address = {Des Moines, IA, USA},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
9. | Cozonac, Dorin; Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel; Cavallini, Andréa; Wang, Peng: Study on ceramic insulation wires for motor windings at high-temperature. Dans: IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2014), p. 172–175, Des Moines, IA, USA, 2014, ISBN: 978-1-4799-7525-9. @inproceedings{Cozonac2014,
title = {Study on ceramic insulation wires for motor windings at high-temperature},
author = {Dorin Cozonac and Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu and Andréa Cavallini and Peng Wang},
url = {http://ieeexplore.ieee.org/document/6995757/},
doi = {10.1109/CEIDP.2014.6995757},
isbn = {978-1-4799-7525-9},
year = {2014},
date = {2014-10-01},
booktitle = {IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2014)},
pages = {172--175},
address = {Des Moines, IA, USA},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
8. | Babicz, Sylvain; Ait-Amar, Sonia; Velu, Gabriel: Etude d'un conducteur en aluminium avec une isolation électrique sans solvants pour la conception de machines tournantes. Dans: CONférence Francophone sur l'Eco-conception en Génie Electrique (CONFREGE), Albi, France, 2014. @inproceedings{Babicz2014,
title = {Etude d'un conducteur en aluminium avec une isolation électrique sans solvants pour la conception de machines tournantes},
author = {Sylvain Babicz and Sonia Ait-Amar and Gabriel Velu},
year = {2014},
date = {2014-05-01},
booktitle = {CONférence Francophone sur l'Eco-conception en Génie Electrique (CONFREGE)},
address = {Albi, France},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2013
|
5. | Savin, Serghei; Ait-Amar, Sonia; Roger, Daniel: New characterization method of the electrical machines insulation aging. Dans: 9th International Conference on Electromechanical and Power Systems, Chisinau, Moldova, 2013. @inproceedings{Savin2013c,
title = {New characterization method of the electrical machines insulation aging},
author = {Serghei Savin and Sonia Ait-Amar and Daniel Roger},
year = {2013},
date = {2013-10-01},
booktitle = {9th International Conference on Electromechanical and Power Systems},
address = {Chisinau, Moldova},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
4. | Savin, Serghei; Ait-Amar, Sonia; Roger, Daniel: Aging monitoring of electrical machines using winding high frequency equivalent circuits. Dans: XVI International Symposium on Electromagnetic Fields (ISEF), Ohrid, Macedonia, 2013. @inproceedings{Savin2013a,
title = {Aging monitoring of electrical machines using winding high frequency equivalent circuits},
author = {Serghei Savin and Sonia Ait-Amar and Daniel Roger},
year = {2013},
date = {2013-09-01},
booktitle = {XVI International Symposium on Electromagnetic Fields (ISEF)},
address = {Ohrid, Macedonia},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
3. | Fireteanu, Virgiliu; Constantin, Alexandru-Ionel; Romary, Raphaël; Pusca, Rémus; Ait-Amar, Sonia: Finite element investigation of the short-circuit fault in the stator winding of induction motors and harmonics of the neighboring magnetic field. Dans: 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED), p. 337–342, Valencia, Spain, 2013, ISBN: 978-1-4799-0025-1. @inproceedings{Fireteanu2013,
title = {Finite element investigation of the short-circuit fault in the stator winding of induction motors and harmonics of the neighboring magnetic field},
author = {Virgiliu Fireteanu and Alexandru-Ionel Constantin and Raphaël Romary and Rémus Pusca and Sonia Ait-Amar},
url = {http://ieeexplore.ieee.org/document/6645725/},
doi = {10.1109/DEMPED.2013.6645725},
isbn = {978-1-4799-0025-1},
year = {2013},
date = {2013-08-01},
booktitle = {9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives (SDEMPED)},
pages = {337--342},
address = {Valencia, Spain},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2. | Ait-Amar, Sonia; Fatallah, Mohamed Ben; Habas, Amélia; Habas, Jean-Pierre; Notingher, Pétru; Frezel, Philippe: Properties of a new ecofficient coating for magnet wire. Dans: 11th IEEE International Conference on Solid Dielectrics (ICSD), p. 553–556, Bologna, Italy, 2013, ISBN: 978-1-4673-4461-6. @inproceedings{Ait-Amar2013,
title = {Properties of a new ecofficient coating for magnet wire},
author = {Sonia Ait-Amar and Mohamed Ben Fatallah and Amélia Habas and Jean-Pierre Habas and Pétru Notingher and Philippe Frezel},
url = {http://ieeexplore.ieee.org/document/6619761/},
doi = {10.1109/ICSD.2013.6619761},
isbn = {978-1-4673-4461-6},
year = {2013},
date = {2013-06-01},
booktitle = {11th IEEE International Conference on Solid Dielectrics (ICSD)},
pages = {553--556},
address = {Bologna, Italy},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|
1. | Boughanmi, Walid; Manata, Jean‐Paul; Ait-Amar, Sonia; Roger, Daniel: Electrical machines insulation: Towards low environmental impact solutions. Dans: 11th IEEE International Conference on Solid Dielectrics (ICSD), p. 557–560, Bologna, Italy, 2013, ISBN: 978-1-4673-4461-6. @inproceedings{Boughanmi2013,
title = {Electrical machines insulation: Towards low environmental impact solutions},
author = {Walid Boughanmi and Jean‐Paul Manata and Sonia Ait-Amar and Daniel Roger},
url = {http://ieeexplore.ieee.org/document/6619762/},
doi = {10.1109/ICSD.2013.6619762},
isbn = {978-1-4673-4461-6},
year = {2013},
date = {2013-06-01},
booktitle = {11th IEEE International Conference on Solid Dielectrics (ICSD)},
pages = {557--560},
address = {Bologna, Italy},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
|