Zobrazeno 1 - 10
of 579
pro vyhledávání: '"Open-phase"'
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 160, Iss , Pp 110105- (2024)
Doubly-fed variable speed pumped storage unit (VSPSU) adopts slip ring injection AC excitation mode, and its rotor side structure is complex and prone to open-phase faults. It is very important to configure specific open-phase imbalance protection to
Externí odkaz:
https://doaj.org/article/2d1218f795fb4235ade8fcb6835dc7f3
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110056- (2024)
The open-phase operation of the AC connection line connecting the wind farm and MMC generates negative sequence current in the system, which cause the overcurrent, overvoltage, power fluctuation and other problems. It seriously affects the power tran
Externí odkaz:
https://doaj.org/article/7d27b5251e434657b1e5a9e867b5aa77
Autor:
Ahmed T. Abdel-Wahed, Zia Ullah, Ayman S. Abdel-Khalik, Mostafa S. Hamad, Shehab Ahmed, Noha Elmalhy
Publikováno v:
IEEE Access, Vol 12, Pp 72345-72360 (2024)
Permanent magnet (PM) machines equipped with fractional slot concentrated windings (FSCW) offer a compelling solution for electric vehicles (EVs), boasting high torque and power density, high efficiency, a wide operational range, and several other ad
Externí odkaz:
https://doaj.org/article/5363014473cb419f80c70686aad1fb0e
Publikováno v:
World Electric Vehicle Journal, Vol 15, Iss 11, p 488 (2024)
In this paper, the fault-tolerant operation of an electric-drive-reconstructed onboard charger (EDROC) designed on the basis of an asymmetrical six-phase permanent magnet synchronous machine (ASPMSM) drive is studied and discussed for cases where an
Externí odkaz:
https://doaj.org/article/f6fc1419c9f24c1997dc944023032fc0
Publikováno v:
Energies, Vol 17, Iss 20, p 5198 (2024)
In this article, an optimized fault-tolerant control (FTC) method without current judgement is proposed for open-switch faults (OSFs) in dual three-phase permanent magnet synchronous motor (DTPMSM) drives. The reason for the torque ripple under OSFs
Externí odkaz:
https://doaj.org/article/40b070dd875f411f84eccf414cc959a5
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 432-441 (2023)
In order to quickly and accurately calculate fault-tolerant capability of multi-phase surface-mount permanent magnet synchronous motor (SPMSM) at condition of asymmetrical fault, based on subdomain model, an analytical model for multi-phase SPMSM wit
Externí odkaz:
https://doaj.org/article/69e29e730b47437eb683e6ef8d502a1c
Publikováno v:
Energies, Vol 17, Iss 11, p 2660 (2024)
In the existing literature, direct torque control (DTC) by synthesizing virtual vectors can effectively suppress low-order harmonic currents under the single open-phase fault (OPF) of the five-phase permanent magnet synchronous motor (PMSM), but the
Externí odkaz:
https://doaj.org/article/cbb282a563f94a2c8ca08c0b86a9c8a7
Publikováno v:
Trials, Vol 24, Iss 1, Pp 1-14 (2023)
Abstract Background Uveal melanoma is the most common primary intraocular tumor in adults. In Sweden, at least 100 patients are diagnosed with the disease each year. Almost half of the patients develop metastases, with a median survival time of 1 yea
Externí odkaz:
https://doaj.org/article/8873b029bf9e4545a6f78d89c7aff08b
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 6, Iss 4, Pp 422-437 (2022)
The paper presents an accurate analytical subdomain model for predicting the electromagnetic performance in the symmetrical dual three-phase surface-mounted permanent magnet synchronous machine (PMSM) under open-phase faulty conditions. The model der
Externí odkaz:
https://doaj.org/article/215c2fd2598f4011b6edce7700bd863a
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 6866-6875 (2022)
A robust control scheme of a wind turbine system (WTS) based on a dual star induction generator (DSIG) in normal and open-phase fault (OPF) mode is presented in this paper. The strong point of this generator that recently attracted the attention of s
Externí odkaz:
https://doaj.org/article/58c3088a67484c2c8f3f5a0d67b9a5e8