Results 71 to 80 of about 24,183 (312)

Research on Operation Principle and Control of Novel Hybrid Excitation Bearingless Permanent Magnet Generator

Energies, 2016
Under the condition of load changing, the magnetic field of traditional permanent magnet generators (PMG) is hard to be adjusted, and the mechanical bearings are significantly worn.
Huangqiu Zhu, Yamin Hu
doaj   +1 more source

Effects of Design Parameters on Performance of Brushless Electrically Excited Synchronous Reluctance Generator [PDF]

, 2018
Permanent magnet synchronous generators, doubly fed induction generators, and traditional electrically excited synchronous generators are widely used for wind power applications, especially large offshore installations.
Jia, Guanglong, Jovanovic, Milutin, Ma, Dandan, Wang, Hao, Zhang, Fengge   +4 more
core   +1 more source

Development of a Prediction Model for Progression Risk in High‐Grade Gliomas Based on Habitat Radiomics and Pathomics

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To investigate the value of constructing models based on habitat radiomics and pathomics for predicting the risk of progression in high‐grade gliomas. Methods This study conducted a retrospective analysis of preoperative magnetic resonance (MR) images and pathological sections from 72 patients diagnosed with high‐grade gliomas (52 ...
Yuchen Zhu, Yuxi Gong, Weilin Xu, Xingjian Sun, Gefei Jiang, Lei Qiu, Kexin Shi, Mengxing Wu, Yinjiao Fei, Jinling Yuan, Jinyan Luo, Yurong Li, Yuandong Cao, Minhong Pan, Shu Zhou   +14 more
wiley   +1 more source

Electromagnetic performance analysis of a new high‐speed hybrid excitation synchronous machine

IET Electric Power Applications
To facilitate the regulation of the air‐gap magnetic field of permanent magnet synchronous machines, a novel topology of a high‐speed hybrid excitation synchronous machine (HESM) was presented.
Wu Su, Nan Lin, Xianbiao Zhang, Dong Wang   +3 more
doaj   +1 more source

Dynamic Analysis of Permanent Magnet Synchronous Generator with Power Electronics

Advances in Electrical and Computer Engineering, 2010
Permanent magnet DC motor-generators (PMDC, PMSG) have been widely used in industrial and energy sectors recently. Power control of these systems can be achieved by controlling the output voltage.
OZCIRA, S., BEKIROGLU, N., ONER, Y.
doaj   +1 more source

Design and optimization of air‐cored double‐sided linear permanent magnet generators for wave energy conversion

Energy Science & Engineering, 2022
Recently, linear generators have been widely employed to convert oceanic wave energy into electricity. Among various linear generators, linear permanent magnet generators (LPMGs) have gained attention due to their special characteristics such as high ...
Sabiyeh Niknafs, Abbas Shiri, Sajad Bagheri   +2 more
doaj   +1 more source

Prototype of an axial flux permanent magnet generator for wind energy systems applications [PDF]

, 2007
Small scale wind power applications require a cost effective and mechanically simple generator in order to be a reliable energy source. The use of direct driven generators, instead of geared machines, reduces the number of drive components, which offers ...
Costa, A.F., Ferreira, Ângela P., Silva, Amândio M.   +2 more
core   +1 more source

Association of CDKN2A/B Homozygous Deletion and Extent of Resection With Survival of Patients With WHO CNS5 Grade 4 Astrocytoma

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives WHO grade 4 astrocytomas are associated with poor prognosis, and their prognostic factors remain controversial. This study aimed to identify the prognostic factors and develop a management algorithm for these patients. Methods This study retrospectively included 151 CNS5 adult grade 4 astrocytomas from two medical centers.
Jiawei Cai, Guanglin Zhu, Qiu He, Chen Luo, Lingyun Zhuo, Xingfu Wang, Yiming Chen, Xiaoyong Chen, Wendong You, Jiaheng Xu, Yuanxiang Lin, Dezhi Kang, Shuai Wu, Zanyi Wu   +13 more
wiley   +1 more source

Direct‐Drive Vernier Machine With Innovative Stator Design for Enhanced Demagnetisation Withstand Capability

IET Electric Power Applications
This paper proposes a Vernier machine with an improved stator design that adopts open stator slots and permanent magnets installed on both the rotor and stator.
Dileep Kumar Kana Padinharu, Guang‐Jin Li, Guang‐Bo Zhang, Zi‐Qiang Zhu, Peng Wang, Richard Clark, Ziad Azar   +6 more
doaj   +1 more source

PM wind generator topologies\ud [PDF]

, 2005
The objective of this paper is to provide a comparison among permanent magnet (PM) wind generators of different topologies. Seven configurations are chosen for the comparison, consisting of both radial-flux and axial-flux machines. The comparison is done
Yicheng, Chen, Pillay, Pragasen, Khan, A.   +2 more
core   +1 more source