Zobrazeno 1 - 10
of 279
pro vyhledávání: '"Jinghua Ji"'
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 8, Iss 2, Pp 202-215 (2024)
In recent years, motor drive systems have garnered increasing attention due to their high efficiency and superior control performance. This is especially apparent in aerospace, marine propulsion, and electric vehicles, where high performance, efficie
Externí odkaz:
https://doaj.org/article/18a1ec36aee04b229502c3f61516f1e1
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 7, Iss 1, Pp 73-80 (2023)
As members of doubly salient magnetless linear machines, linear variable flux reluctance (LVFR) and wound field flux reversal (LWFFR) machines inherit the merits of conventional magnetless linear machines such as low cost, high flux adjustment capabi
Externí odkaz:
https://doaj.org/article/0bf1af01763f40cf985667a8eb5be503
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 6, Iss 4, Pp 413-421 (2022)
The paper develops accurate analytical subdomain models for predicting the magnetic and armature reaction fields in fault-tolerant flux-switching permanent-magnet machines. The entire region is divided into five subdomains, followed by rotor slots, a
Externí odkaz:
https://doaj.org/article/c9346927d5934ff59cf4815fc6467a4d
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 6, Iss 4, Pp 465-472 (2022)
Dual three-phase permanent-magnet synchronous machines (DTP-PMSM) connected with a single neutral point provide a loop for zero-sequence current (ZSC). This paper proposes a novel space vector pulse width modulation (SVPWM) strategy to suppress the Z
Externí odkaz:
https://doaj.org/article/26eabcfa4fa44441a478aa849d0c8148
Publikováno v:
Energies, Vol 16, Iss 17, p 6214 (2023)
The Double Permanent Magnet Vernier (DPMV) machine is well known for its high torque density and magnet utilization ratio. This paper aims to investigate the torque generation mechanism and its improved design in DPMV machines for hub propulsion base
Externí odkaz:
https://doaj.org/article/02e4c5661e6a4f698ab1d3ab1cd566e6
Publikováno v:
IET Renewable Power Generation, Vol 15, Iss 9, Pp 1976-1984 (2021)
Abstract The classical switching‐table‐based direct power control usually employs one active voltage vector during the whole sample period, which will bring distinct current harmonics and large power ripple. This paper proposes an improved deadbe
Externí odkaz:
https://doaj.org/article/6a055f49dbf1488eac0e455df1fef91f
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 4, Iss 3, Pp 198-205 (2020)
In this paper, a new auxiliary teeth structure is proposed for fault-tolerant permanent magnet (PM) generators, which can reduce the short-circuit currents. Firstly, the short-circuit current and the phase to phase isolation of the fault-tolerant gen
Externí odkaz:
https://doaj.org/article/e90522833ac94f2bab8655024d6a52f4
Publikováno v:
Chinese Journal of Electrical Engineering, Vol 6, Iss 1, Pp 41-51 (2020)
In this study, several types of linear actuators that adopt different permanent-magnet (PM) topologies are studied and compared. These linear actuators are based on the concept of PM magnetic screw transmission, which offers high force density, high
Externí odkaz:
https://doaj.org/article/d564c518af1b449aa0da94879a8f73d6
Publikováno v:
Chinese Journal of Electrical Engineering, Vol 5, Iss 4, Pp 40-50 (2019)
The influence of bread-loaf shaped magnet poles under parallel magnetization on the cogging torque of surface-mounted permanent magnet (SPM) motors is studied. For the SPM motors having magnetic poles with eccentricity and sine harmonic compensation,
Externí odkaz:
https://doaj.org/article/850b9460f3364282b52c203b6d11fd93
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 3, Iss 1, Pp 12-18 (2019)
Due to their excellent efficiency, power density and constant power speed region, interior permanent-magnet (IPM) machines are very suitable for electric vehicles (EVs). This paper proposed a new IPM rotor topology, which can offer high reluctance to
Externí odkaz:
https://doaj.org/article/711a04ce2571477981cffed31356aa35