Academic literature on the topic 'Slot insulation'

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Journal articles on the topic "Slot insulation"

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Azizi, D., and A. Gholami. "Optimum Scheme for Insulation System in HV Generator Based on Electromagnetic Analysis." Engineering, Technology & Applied Science Research 1, no. 3 (2011): 49–53. http://dx.doi.org/10.48084/etasr.14.

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Electrical insulations are one of the basic parts of electrical machinery in any sizes and characteristics. Focusing on insulating, studies on the operation of industrial-electrical machinery came to the fact that the most important part of a machine is the Stator. This fact reveals the requirement for inspection of the electrical machine insulation along with the electromagnetic tensions. Therefore with respect to insulation system improvement of stator, the HV generator can be optimized. Dielectric parameters such as insulation thickness, spacing, material types, geometry of winding and slot
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Lecointe, Jean-Philippe, Stéphane Duchesne, Dorin Cozonac, Gabriel Vélu, and Krzysztof Komeza. "High temperature machine: Characterization of materials for the electrical insulation." Open Physics 18, no. 1 (2020): 674–82. http://dx.doi.org/10.1515/phys-2020-0109.

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AbstractThis paper aims to present and analyze the materials adapted to design a machine that can work with a high current density without any specific cooling system. In other words, the machine is equipped with material that supports high internal temperature, about 500°C. Candidate materials are selected and the authors indicate that inorganic insulation should be preferred for conductors and slot insulations. Tests are carried out on material selection through measurement of the turn-to-turn voltage, insulation resistances, and the parallel capacitances.
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Liu, Yi. "Decorative Mortise Slot Insulation Board Exterior Insulation System Integration and Quality Control of Construction Elements." Applied Mechanics and Materials 71-78 (July 2011): 4160–65. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.4160.

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This paper used for exterior insulation system, a new form - decorative mortise slot insulation board exterior insulation systems integration, construction technology, a careful study and discussion, and through concrete examples and practical engineering Construction, operation points of the construction and quality control.
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Leonov, A. "IMPROVING THE HEAT RESISTANCE OF POLYMER ELECTRICAL INSULATION SYSTEMS FOR THE MODERNIZATION OF INDUCTION MOTORS." Eurasian Physical Technical Journal 18, no. 1 (2021): 34–42. http://dx.doi.org/10.31489/2021no1/34-42.

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Ensuring high power, efficiency and reliability of induction motor operation while providing small weight– size parameters represents an up-to-date problem. One of the factors limiting the reduction of weight–size parameters when increasing capacities of induction motors is the failure of the insulation system. Therefore, there is a strong need for studying the issues of slot fill when designing an induction motor, taking into account an increase in the heat resistance class of electrical insulation systems. The purpose of the present research is to develop a polymeric electrical insulation sy
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Tien, H. C., and K. Vafai. "Pressure Stratification Effects on Multiphase Transport Across a Vertical Slot Porous Insulation." Journal of Heat Transfer 112, no. 4 (1990): 1023–31. http://dx.doi.org/10.1115/1.2910474.

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In this work, thermal stratification effects on heat and mass transfer in a porous insulation are analyzed. The vertical boundaries of the porous system are partially permeable for simulating holes or cracks in wall. Hydrostatic pressure variations are considered on the vertical boundaries and a set of realistic boundary conditions is imposed on the system under consideration. The transient intercoupled equations governing the complicated transport process along with the convective boundary conditions are solved by an efficient numerical scheme. The dependence of the Nusselt number and the fie
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Li, Wei Li, Zhen Xing Wu, and Fei Yang Huo. "Influence of Main Insulation Thermal Aging on Stator Temperature Field in Large Turbo-Generator." Advanced Materials Research 433-440 (January 2012): 7505–10. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.7505.

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The eddy current loss of stator strands in the in-phase slot and out-phase slot was calculated by the finite element method (FEM). 3D static heat transfer equations and equivalent variation equations of large turbo-generator under the Cartesian coordinates system were given. The stator temperature field of large turbo-generator was calculated by using 3D FEM, and the influence of thermal conductivity reduced due to main insulation aging both in in-phase slot and out-phase slot on the stator was analyzed. The obtained conclusions will provide theoretical basis for fault prediction and fault dia
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Nurzyński, Jacek. "Empirical Study on the Sound Insulation of Simple Slot Ventilators." Building Acoustics 13, no. 3 (2006): 223–41. http://dx.doi.org/10.1260/135101006778605406.

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Andreev, A. M., A. Sh Azizov, I. A. Andreev, A. N. Smirnov, A. A. Stepanov, and G. A. Nazarov. "Particularities of measuring partial discharges in stator windings insulation systems of high-voltage electrical machines." Safety and Reliability of Power Industry 14, no. 1 (2021): 61–68. http://dx.doi.org/10.24223/1999-5555-2021-14-1-61-68.

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The purpose of the article is to provide potential tools that can make a significant contribution to the identification of partial discharges (PD). Different types of partial discharges occur in stator winding insulation and a few partial discharges may occur simultaneously. Internal partial discharges are electrical discharges that occur in voids in the insulation of the stator winding. In typical stator insulation systems that use epoxy bonded mica tapes, insulation degradation due to internal partial discharges is usually slow (many years or decades). External partial discharges (slot PD an
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Melnichenko, A. P., A. V. Papkov, and V. M. Pak. "Development of rotor slot insulation for turbogenerators with high electrical and mechanical characteristics." Russian Electrical Engineering 82, no. 4 (2011): 197–98. http://dx.doi.org/10.3103/s1068371211040092.

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Stefe, Blaz, and Marjan Jenko. "Modeling of Insulation Paper Damage in the Assembly of a Solid Slot Winding." IEEE Access 8 (2020): 27831–50. http://dx.doi.org/10.1109/access.2020.2971678.

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Dissertations / Theses on the topic "Slot insulation"

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Elschich, Ahmed. "Thermo-mechanical Fatigue of Electrical Insulation System in Electrical machine." Thesis, Karlstads universitet, Avdelningen för maskin- och materialteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-62579.

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Electrical machines in electrified heavy-duty vehicles are subjected to dynamic temperature loadings during normal operation due to the different driving conditions. The Electrical Insulation System (EIS) in a stator winding is aged as an effect of these dynamic thermal loads. The thermal loads are usually high constant temperatures and thermal cycling. The high average constant thermal load is well-known in the electrical machine industry but little is known about the effect of temperature cycling. In this project, the ageing of the EIS in stator windings due to temperature cycling is examine
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Krejčí, Zbyšek. "Účinky pulzního namáhání na vlastnosti elektroizolačních materiálů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219267.

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The labor discusses experimental verification of the dielectric properties of pulsed stress slot insulation Isonom NMN. During the pulse stress is investigated in particular component of a complex permittivity depending on frequency and temperature during the electrical stress in the form of pulses of different intensities of electric field supplied.
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Přikryl, Tomáš. "Absorpční charakteristiky namáhaných drážkových izolací." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218777.

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Master's thesis is monitoring changes in basic dielectric properties. Monitoring changes in absorbency of characteristics and temporal dependences in rezistance with change of relative humidity. On the colection samples were measured temporal dependences charged and uncharged currents in ambient temperature and 0%, 55%, 75%, 95% relative humidity. The next part of my work is monitoring temporal dependences interior rezistance in the time of ageing in different humidities. Experiments were made on material ISONOM NKN and NMN.
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Khajooeizadeh, Arash. "Metal-insulator-semiconductor (MIS) slow-wave structures." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=99773.

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Metal-insulator-semiconductors (MIS) are one of the most basic elements in the digital and microwave circuits. Theoretical and experimental investigation has shown that the dominant mode of propagation in MIS is not a quasi-TEM mode at all frequencies. It has been shown that an MIS transmission line is in fact a slow-wave structure in a certain frequency range. Slow-wave structures offer a large effective permittivity, therefore, can be employed to create large propagation delay and to reduce the guided wavelength. These characteristics can be utilized to design compact passive elements such a
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Faggiani, Rémi. "Resonant nanophotonics : structural slow light and slow plasmons." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0396/document.

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L'augmentation de l'interaction lumière-matière aux échelles micro et nanométriques est un des fers de lance de la nanophotonique. En effet, le contrôle de la répartition spatiale de la lumière grâce à l'interaction résonante entre nanostructures et ondes électromagnétiques a conduit aux développements de nombreuses applications dans des domaines variés tels que les télécommunications,la spectroscopie et la détection d'objets. Le ralentissement de la lumière, sujet de la thèse, obtenue grâces à l'interférence d'ondes contre-propageantes dans des milieux périodiques ou le confinement sub-longue
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Books on the topic "Slot insulation"

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Walter Khobe, Ochieng. Part III The Relationship Between the Judiciary and the Political Branches, 12 Judicial–Executive Relations in Kenya Post-2010: The Emergence of Judicial Supremacy? Oxford University Press, 2016. http://dx.doi.org/10.1093/law/9780198759799.003.0013.

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This chapter examines the relationship between the judicial and the executive branch in Kenya. Kenya has long seen a deferent, politically controlled judiciary. The 2010 constitution, however, takes a number of steps to safeguard judicial independence, in line with the general concern to limit executive power. The 2010 reforms include the creation of a Judicial Services Commission that aims to end the previous presidential control of appointments and the insulation of judicial funding from executive control. Several aspects of the new appointment procedures have already been defended in decisi
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Book chapters on the topic "Slot insulation"

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Steglich, Patrick, Claus Villringer, Silvio Pulwer, Mauro Casalboni, and Sigurd Schrader. "Design Optimization of Silicon-on-Insulator Slot-Waveguides for Electro-optical Modulators and Biosensors." In Springer Proceedings in Physics. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30137-2_11.

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Choudhary, Neha, Veer Chandra, and Rakesh Ranjan. "Design of Silicon-on-Insulator Based Mode Splitters with Asymmetrical Variation of Slots." In Lecture Notes in Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2818-4_15.

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Huber, R., C. Kübler, H. Ehrke, et al. "THz Slow Motion of an Ultrafast Insulator-Metal Transition in VO2: Coherent Structural Dynamics and Electronic Correlations." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-95946-5_58.

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Steglich, Patrick. "Silicon-on-Insulator Slot Waveguides: Theory and Applications in Electro-Optics and Optical Sensing." In Emerging Waveguide Technology. InTech, 2018. http://dx.doi.org/10.5772/intechopen.75539.

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Verma, Nitanshi, and Arijit Baral. "Effect of slow decaying trapped charges on PDC data and associated diagnosis of power transformer insulation." In Foundations and Frontiers in Computer, Communication and Electrical Engineering. CRC Press, 2016. http://dx.doi.org/10.1201/b20012-70.

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Cantor, Brian. "The Fermi Level." In The Equations of Materials. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198851875.003.0013.

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The Fermi level is the maximum energy of the electrons in a material. Effectively there is a Fermi equation: EF = E <sub>max</sub>. This chapter examines the discrete electron energy levels in individual atoms as a consequence of the Pauli exclusion principle, the corresponding energy bands in a material composed of many atoms or molecules, and the way in which conductor, insulator and semiconductor materials depend on the position of the Fermi level relative to the energy bands. It explains: the concepts of electron mobility, mean free path and conductivity; the dielectric effect and capacitance; p-type, n-type, intrinsic and extrinsic semiconductors; and the behaviour of some simple microelectronic devices. Enrico Fermi was the son of a minor railway official in Rome. He had a meteoric scientific career in Italy, developing Fermi-Dirac statistics for the energies of fundamental fermion particles (such as electrons and protons), discovering the neutrino, and explaining the behaviour of different materials under bombardment from fast and slow neutrons. After initially joining Mussolini’s Fascist Party, he became unhappy at the level of anti-Semitism (his wife was Jewish) and left suddenly for America, immediately after receiving the Nobel Prize in Sweden. At Columbia and Chicago Universities and at Los Alamos National Labs, he played a key scientific role in developing controlled fission in an atomic pile, leading to the development of the atomic bomb towards the end of the Second World War, and the nuclear energy industry after the war.
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Goldfinger, Eliot. "Animals with Limb Variations Skeleton & Superficial Muscles (Side View)." In Animal Anatomy for Artists. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780195142143.003.0013.

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Kangaroo characteristics: Forelimb small; has five digits with strong claws. Large, powerful hind limb with long, strong, narrow foot. Muscular thigh; muscle mass of lower leg positioned on upper half, toward knee. In foot, large fourth and smaller fifth digits transmit force during locomotion; first digit missing, small digits two and three bound together by skin. Long tail, thick at base, used for body support at rest and balance during hopping. Fast locomotion is by leaping with hind limbs only. Walking: Hind limbs, forelimbs, and tail in contact with ground at various times. Sitting: Body rests on entire foot and tail; arms hang loosely. Pouch in female opens forward, supported by two long, thin bones. Sea lion characteristics: Webbed flipper-like forefoot and hind foot. Front flipper thicker on front edge. Skin of flipper extends past tips of toe bones, supported by individual cartilages attached to ends of toe bones. Noticeable claws on three middle toes of hind foot; other claws tiny and inconspicuous. Front flipper triangular; hind flipper rectangular. Hind limb can be advanced forward—can walk, but thigh and lower leg encased in skin of abdomen (seals can’t walk—their hind limbs permanently extended backward). Elbow also enclosed in body skin, but forearms are free. Body streamlined (torpedo-shaped) for swimming. Thick insulating blubber layer between skin and muscles. Thick, flexible, muscular neck. Pelvis and femur small. Sternum has forward projection. Small external ears present (absent in seals). Ears and slit-like nostrils can be closed under water. Short, stubby tail. Very short hair; fur much darker when wet. Body uniform in color (no spots). Males larger than females. Closely related to terrestrial carnivores. Pinniped is not scientific classification, but means “fin footed.”
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Conference papers on the topic "Slot insulation"

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Stone, G. C., and C. Maughan. "Vibration Sparking and Slot Discharge in Stator Windings." In 2008 IEEE International Symposium on Electrical Insulation. IEEE, 2008. http://dx.doi.org/10.1109/elinsl.2008.4570298.

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Miller, M. L. "Turbine generator stator slot thermal conductivity." In Proceedings: Electrical Insulation Conference and Electrical Manufacturing and Coil Winding Conference. IEEE, 1999. http://dx.doi.org/10.1109/eeic.1999.826181.

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Levesque, M., C. Hudon, and E. David. "Insulation degradation analysis of stator bars subjected to slot partial discharges." In 2013 IEEE Electrical Insulation Conference (EIC). IEEE, 2013. http://dx.doi.org/10.1109/eic.2013.6554293.

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Levesque, M., C. Hudon, M. Belec, and E. David. "Evolution of Slot Partial Discharges under Electrical, Thermal and Mechanical Stresses." In 2008 IEEE International Symposium on Electrical Insulation. IEEE, 2008. http://dx.doi.org/10.1109/elinsl.2008.4570299.

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Kim, Yong Joo, Geun Ju Kim, Jung Il Kim, Hee Dong Kim, and Tae Sik Kong. "Capacitive Slot Coupler for on-line partial discharge monitoring of stator winding insulation." In 2014 IEEE Electrical Insulation Conference (EIC). IEEE, 2014. http://dx.doi.org/10.1109/eic.2014.6869383.

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Vaclav, M., P. Josef, T. Pavel, and T. Oldrich. "Pulse Voltage and its Aging Effect on PD Characteristics of Slot Insulation." In 2008 IEEE International Symposium on Electrical Insulation. IEEE, 2008. http://dx.doi.org/10.1109/elinsl.2008.4570398.

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Hudon, C., M. Chaaban, M. Belec, and D. N. Nguyen. "Effect of temperature and thermal expansion on slot partial discharge activity." In 2007 Electrical Insulation Conference and Electrical Manufacturing Expo. IEEE, 2007. http://dx.doi.org/10.1109/eeic.2007.4562602.

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Shanel, M., J. C. Duart, J. G. Marchetta, R. C. Wicks, E. Wang, and S. Ren. "Novel slot and phase insulation options for machines fed from voltage converters." In 2017 INSUCON - 13th International Electrical Insulation Conference (INSUCON). IEEE, 2017. http://dx.doi.org/10.23919/insucon.2017.8097181.

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Kampker, Achim, Kai Kreiskother, Max Kleine Buning, and Michael Adam. "Thin-walled injection molding for slot insulation of long stator sheet stacks." In 2016 6th International Electric Drives Production Conference (EDPC). IEEE, 2016. http://dx.doi.org/10.1109/edpc.2016.7851329.

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Levesque, M., C. Hudon, M. Belec, and E. David. "Measurements of slot partial discharges with an antenna during accelerated aging." In 2009 IEEE Electrical Insulation Conference (EIC) (Formerly EIC/EME). IEEE, 2009. http://dx.doi.org/10.1109/eic.2009.5166390.

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