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Mostafa Behtouei, Bruno Spataro, Luigi Faillace, Martina Carillo, Alberto Leggieri, Luigi Palumbo and Mauro Migliorati
Advanced technical solution for the design of a low perveance electron gun with a high quality beam dedicated to high power Ka-band klystrons is presented in this paper. The proposed electron gun can be used to feed linear accelerating structures at 36 G...
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Jianmin Qiu, Ying Yang, Xin Hong, Piotr Vasiljev, Dalius Mazeika and Sergejus Borodinas
This paper presents a disc-type ultrasonic piezoelectric motor, which is designed for micro flying vehicles. It provides a high output rotation speed under low operating voltage, compared with common piezoelectric devices, by employing a ?contact teeth? ...
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Alex Mezheritsky
A novel effective vibrational mode was discovered in the conventional transducer with an array of orthogonal (square) regular piezoelectric rods in 1-3 piezocomposite, containing the damping backing and front matching layers. The operational resonance in...
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Olexander Bolbas,Natalya Deyneko,Sergey Yeremenko,Olena Kyryllova,Oksana Myrgorod,Olexander Soshinsky,Nataliya Teliura,Nataliia Tsapko,Roman Shevchenko,Yuliia Yurchyk
Pág. 46 - 51
The mechanisms of CdTe S? degradation during operation are experimentally studied. Two mechanisms of degradation of such solar cells are identified. The first is the generation of defects in the transition region, which is caused by excess charge carrier...
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Hsin-Hui Hu, Yan-Wei Zeng and Kun-Ming Chen
Polycrystalline silicon (poly-Si) thin film transistors (TFT) with a tri-gate fin-like structure and wide drain were designed and simulated to improve gate-induced drain leakage (GIDL), ON-state current, and breakdown voltage. The GIDL of fin-like TFTs (...
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Antonio A. Martínez García,Miriam Vilaragut Llanes,Orlys E. Torres Breffe,Maykop Pérez Martínez
Pág. 83 - 93
La regulación de la tensión es el modo más elemental de control de los Sistemas Eléctricos de Potencia que mejora la estabilidad y la estabilidad transitoria. La introducción de reguladores de tensión muy rápidos facilita la capacidad del sistema de gene...
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U. P. Honcharov,N. V. Panasenko,V. V. Zamuruiev,V. V. Ivakhno,S. U. Krivosheyev,U. V. Chursina,M. V. Danilov,V. H. Sychenko,V. U. Ivanov
Pág. 82 - 89
The system under consideration is the PDU contact network of high-voltage direct current from the longitudinal line at the voltage of the order of units of kHz allowing to reduce drastically the mass of power electromagnetic elements in converters and to...
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Yu. P. Honcharov,M. V. Panasenko,V. M. Kozachok,V. V. Zamaruiev,V. V. Ivakhno,S. Yu. Kryvosheiev,O. I. Semenenko
Pág. 42 - 48
The power supply system of a contact network using a longitudinal line with points of communication without transformer is considered. The approach allowing to facilitate power filters and the way of switching of in-series connected semiconductor switche...
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V. V. Rybkin,M. O. Arbuzov
Pág. 107 - 109
Comparison of the longitudinal stresses monitoring methods in continuous welded rails is made. It is determined, that the magnetic method is perspective.
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