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Chunjie Wang, Linghao Guo, Peng Chen, Qiang Fu and Lin Cui
To sustainably power ocean sensors by harvesting ocean wave energy, an annular electromagnetic generator (A-EMG) based on the principle of Faraday electromagnetic induction is proposed in this paper. The specific structure and working principle of the ge...
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Dongyang Sun, Fanyi Meng and Wenqiang Shen
In the power transmission of doubly-fed induction generators (DFIGs), sub-synchronous oscillation (SSO) can occur due to the influence of series compensation capacitance and long-distance transmission. SSO not only affects the output of the DFIG but also...
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Jiaming Zhang, Jun Fang, Tianhong Zhang, Lingwei Li and Xinglong Zhang
Today, the more electric aircraft (MEA) concept is gaining tremendous popularity. As a key component of the MEA, a more electric auxiliary power unit (MEAPU) integrated model with high accuracy and real-time performance is essential when conducting coope...
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Ioan Filip, Florin Dragan and Iosif Szeidert
The starting point to design a minimum variance control law consists in identifying a linearized mathematical model (valid around an operating point) of a nonlinear process, respectively the on-line estimation of the parameters of this model. This paper ...
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Ezzeddine Touti, Hossem Zayed, Remus Pusca and Raphael Romary
Renewable energy systems have been extensively developed and they are attractive to become widespread in the future because they can deliver energy at a competitive price and generally do not cause environmental pollution. However, stand-alone energy sys...
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Jannatul Mawa Akanto, Md. Rifat Hazari and Mohammad Abdul Mannan
According to the grid code specifications, low voltage ride-through (LVRT) is one of the key factors for grid-tied wind farms (WFs). Since fixed-speed wind turbines with squirrel cage induction generators (FSWT-SCIGs) require an adequate quantity of reac...
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Boyu Qin, Hengyi Li, Xingyue Zhou, Jing Li and Wansong Liu
In recent years, considerable advances were made in wind power generation. The growing penetration of wind power makes it necessary for wind turbines to maintain continuous operation during voltage dips, which is stated as the low-voltage ride-through (L...
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Rion Takahashi, Atsushi Umemura and Junji Tamura
This paper proposes the application of an adjustable speed diesel engine-driven power plant employing a doubly-fed induction generator to an isolated small-scale power system including renewable power sources. This type of power plant can contribute to f...
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Dejian Yang, Hong-Chao Gao, Lei Zhang, Jingjiao Li, Xinsong Zhang and Liang Hua
Converter-interfaced doubly-fed induction generators (DFIGs) can provide short-term frequency support (STFS) capability by releasing rotating kinetic energy. After arresting the frequency decrease, the rotor speed should return to its initial operating c...
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Anatolij Perederko
Pág. 22 - 27
Research on a contact induction displacement sensor over short distances is presented. A ferrite core with a winding and a movable armature is used as a sensor. There is an air gap between the core and the armature.To solve the problem of improving the a...
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