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Xiaoyu Liu, Chong Zhao, Hao Guo and Zhongcheng Wang
In order to investigate the effect of different influencing factors on the application of temperature differential power generation in the ship exhaust gas and to explore the potential of waste heat recovery and the utilization of exhaust gas during ship...
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H. H. Basov,M. I. Falaleiev
Pág. 28 - 29
Different ways of increasing efficiency of electric transmission in the rolling stock and methods of improving the power efficiency in the use of valve transformers with the variable structure of power circuit are examined in the article. The methods of ...
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Tianhao Cai, Feng Lyu, Tianzhi Wang and Fushi Huang
Conventional cabled seafloor observatories (CSOs) power in-situ instruments via wet-mated or dry-mated direct electrical contact (DEC) connectors to achieve long-term and real-time observation. However, the DEC connectors have high risks of water leakage...
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Lu Sun, Shuguo Gao, Tianran Li, Jiaxin Yao, Ping Wang and Jianhao Zhu
The instability of the winding-cushion structure is one of the primary causes of transformer failures. Insulation cushion compression and offset are the predominant forms leading to structural instability. Therefore, this paper, using the SFSZ7-31500/110...
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Ke Li, Xuan Meng and Xiaodong Sun
In recent years, electric vehicles have developed rapidly. However, many electric cars are equipped with permanent magnet synchronous motors. Permanent magnet synchronous motors have several disadvantages: For example, permanent magnets tend to demagneti...
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Liang Huang, Chao Wu, Dao Zhou and Frede Blaabjerg
Continuously expanding deployments of distributed power generation systems are transforming conventional centralized power grids into mixed distributed electrical networks. The higher penetration and longer distance from the renewable energy source to th...
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Sunghwan Kim and Haiyoung Jung
This study is about an improved high-quality light-emitting diode (LED) converter for a T8 LED tube. The converter is separated into the AC driving circuit and DC driving circuit. Also, the LED tube was applied with an output ripple eliminator for the op...
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Wisam Abed Kattea Al-Maliki, Nabeel Sameer Mahmoud, Hussein M. H. Al-Khafaji, Falah Alobaid and Bernd Epple
Dynamic simulation provides an efficient approach for improving the efficiency of parabolic trough power plants and control circuits. In the dynamic simulation, the possibilities and operating conditions of the plant are evaluated regarding materials, pr...
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Huy Hoang Nguyen, Duy Manh Luong and Gia Duong Bach
The power amplifier (PA) and low-noise amplifier (LNA) are the most critical components of transceiver systems including radar, mobile communications, satellite communications, etc. While the PA is the key component of the transmitter (TX), the LNA is th...
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Su Zhao, Gang Huang and Qi Zhu
For an energy-harvesting wireless transmission system, considering that a transmitter which can harvest energy from nature has two kinds of extra energy consumption, circuit consumption and storage losses, the optimization models are set up in this paper...
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Su Zhao, Gang Huang and Qi Zhu
For an energy-harvesting wireless transmission system, considering that a transmitter which can harvest energy from nature has two kinds of extra energy consumption, circuit consumption and storage losses, the optimization models are set up in this paper...
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Eun-Taek Sung, Sangyong Park and Donghyun Baek
In this paper, output capacitor-less low-dropout (LDO) regulator using active-feedback and current-reuse feedforward compensation (AFCFC) is presented. The open-loop transfer function was obtained using small-signal modeling. The stability of the propose...
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Sunghun Jung and Heon Jeong
Customer requirements for unmanned aerial vehicles (UAVs) with long flight times are increasing exponentially in the personal, commercial, and military use areas. Due to their limited payload, large numbers of on-board battery packs cannot be used and th...
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Gang Zhang, Jianglin Qian and Xinyu Zhang
A high-power reversible converter can achieve a variety of functions, such as recovering regenerative braking energy, expanding traction power capacity, and improving an alternating current (AC) grid power factor. A new hybrid traction power supply schem...
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Jakob Glasdam, Claus Leth Bak and Jesper Hjerrild
Switching overvoltages (SOV) are considered a possible source of component failures experienced in existing offshore wind farms (OWFs). The inclusion of sufficiently accurate and validated models of the main electrical components in the OWF in the simula...
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N. A. Kostin,O. H. Sheikina
Pág. 98 - 102
Analytical expression has been evaluated and instantaneous reactive power as a sign of exchange electrical energetic processes in the system of electric traction of direct current have been calculated.
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A. M. Mukha
Pág. 81 - 88
The results of determination of power loss level in magnetic conductor of high frequency three-phase traction transformer are presented in the article.
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N. H. Visin,B. T. Vlasenko,A. A. Sokolov
Pág. 162 - 165
The transitional processes in shunt circuit of traction engines, which armatures and excitation windings are connected in non-conducting direction as to the flowing power current, are considered in this paper. The changes in the control circuits of braki...
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M. H. Visin,B. T. Vlasenko,A. I. Kyiko,V. V. Kovalyov
Pág. 43 - 50
This paper deals with the well-grounded proposals for improving the efficient protection of traction motors from the short circuit and the slip of wheel sets.
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A. M. Afanasov
Pág. 59 - 62
The conditions of compensation of magnetic and mechanical losses during the test of hauling electric machines according to the Potier?s chart are considered.
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