Zobrazeno 1 - 10
of 1 136
pro vyhledávání: '"Zi-Qiang Zhu"'
Publikováno v:
IET Electric Power Applications, Vol 18, Iss 10, Pp 1279-1292 (2024)
Abstract This paper investigates the benefits and challenges of the multi‐MW direct‐drive offshore wind Vernier generators. It is worth noting that the comparison of generator topologies presented in ref. [1] was for the same power level and ther
Externí odkaz:
https://doaj.org/article/c62bd7ad98c64ac9bda8e4608a410d02
Publikováno v:
IET Electric Power Applications, Vol 18, Iss 10, Pp 1187-1199 (2024)
Abstract A rotor speed signature analysis‐ (RSSA‐)based inter‐turn short circuit (ITSC) fault diagnostic method is proposed, which is robust with regard to speed‐ and current‐loop bandwidths of permanent magnet synchronous machine (PMSM) dr
Externí odkaz:
https://doaj.org/article/d4a334a78d504788af0ccd73e0e9b38f
Autor:
Gang Duan, Ya‐Fei Lu, Hong‐Liang Chen, Zi‐Qiang Zhu, Shuo Yang, Yun‐Qing Wang, Jian‐Qiang Wang, Xing‐Hai Jia
Publikováno v:
Kaohsiung Journal of Medical Sciences, Vol 40, Iss 7, Pp 621-630 (2024)
Abstract Suitable biomaterials with seed cells have promising potential to repair bone defects. However, bone marrow mesenchymal stem cells (BMSCs), one of the most common seed cells used in tissue engineering, cannot differentiate efficiently and ac
Externí odkaz:
https://doaj.org/article/59f14ea7e5da49b79b1f50b4b6698923
Publikováno v:
IEEE Access, Vol 12, Pp 158766-158787 (2024)
Electrical machines equipped with fractional slot concentrated windings (FSCW) have shown great promise at low power levels to improve the electromagnetic performance of PM machines. Principally, they offer shorter end windings, greater manufacturing
Externí odkaz:
https://doaj.org/article/3089a2a2a4a14ec3a263646e92be2e50
Autor:
Zhitong Ran, Zi-Qiang Zhu
Publikováno v:
IEEE Access, Vol 12, Pp 147709-147722 (2024)
This paper presents a comparative analysis of electromagnetic performance of radial flux dual-rotor surface-mounted permanent magnet (SPM) machines with fractional slot non-overlapping windings, with reference to external- and internal-rotor SPM mach
Externí odkaz:
https://doaj.org/article/5549404b4d164003b92fad3e9b68313a
Publikováno v:
IEEE Access, Vol 12, Pp 89599-89612 (2024)
This paper systematically investigates the effect of multi-tooth numbers on electromagnetic performances of conventional and consequent-pole (CP) vernier permanent magnet (PM) synchronous machines (VPMSMs), including average torque, overload capabili
Externí odkaz:
https://doaj.org/article/c60e5c535e0c46e0ade6b1bda465d37e
Autor:
Isaac Rudden, Peng Wang, Henghui Li, Guang-Jin Li, Zi-Qiang Zhu, Alexander Duke, Richard Clark
Publikováno v:
IEEE Access, Vol 12, Pp 84680-84690 (2024)
This paper presents a novel method for addressing the challenge of dq-transformation in fractional-slot machines with star-delta connected concentrated windings. These machines have no neutral point, preventing direct measurement of mutual inductance
Externí odkaz:
https://doaj.org/article/821814543bdf46cda51b4eca2be14bd0
Publikováno v:
IEEE Access, Vol 12, Pp 65386-65402 (2024)
Uncertainty is a key issue in thermal analysis and management for permanent magnet (PM) synchronous machines (PMSMs) and always occurs in both conduction and convection heat transfers. However, this issue has not been evaluated thoroughly. Therefore,
Externí odkaz:
https://doaj.org/article/f4ee157d0bea4975ba91a55cb2bbaa60
Publikováno v:
Energies, Vol 17, Iss 12, p 2958 (2024)
This paper investigates the use of fractional-slot concentrated windings (FSCWs) in large-scale (MW level) offshore wind generators. It focuses specifically on a power rating of 3 MW and uses an existing direct-drive synchronous PM machine (DD-SPM) w
Externí odkaz:
https://doaj.org/article/af06ff855af3459bafbabc1e9e63beb1
Publikováno v:
IET Electric Power Applications, Vol 17, Iss 8, Pp 1111-1121 (2023)
Abstract A general analytical model is developed in a concise block matrix form for surface‐mounted permanent magnet (SPM) machines with series‐parallel coil connections under inter‐turn short circuit (ITSC) fault. In the model, branch currents
Externí odkaz:
https://doaj.org/article/a4c8896c8e09407cac99f9fb221ae1db