Zobrazeno 1 - 10
of 341
pro vyhledávání: '"Jawad Faiz"'
Publikováno v:
IET Electric Power Applications, Vol 18, Iss 10, Pp 1095-1106 (2024)
Abstract Direct drive permanent magnet (PM) motors have become a very attractive choice for electric vehicles. Generally, PM motors are divided into PM synchronous motors (PMSMs) and PM flux‐modulated motors (PMFMMs). High torque density is the mai
Externí odkaz:
https://doaj.org/article/72185ecea9164e4886e2658d1af127f6
Publikováno v:
IET Electric Power Applications, Vol 18, Iss 9, Pp 1005-1020 (2024)
Abstract One of the most common faults in electric machines is a turn‐to‐turn short circuit (TTSC), which may destroy coil insulation and demagnetise the magnet. In addition, the phase‐to‐phase short circuit (PPSC) fault, which can have even
Externí odkaz:
https://doaj.org/article/121b24320f3047238ef79c5ea80a24a8
Publikováno v:
CES Transactions on Electrical Machines and Systems, Vol 8, Iss 2, Pp 216-226 (2024)
The magnetic flux in a permanent magnet transverse flux generator (PMTFG) is three-dimensional (3D), therefore, its efficacy is evaluated using 3D magnetic field analysis. Although the 3D finite-element method (FEM) is highly accurate and reliable fo
Externí odkaz:
https://doaj.org/article/ff7c5ed32946405d8366836933325afe
Autor:
Jawad Faiz, Majid Maktobian
Publikováno v:
IET Electrical Systems in Transportation, Vol 2024 (2024)
As the reduction of greenhouse gas emissions becomes crucial, electric vehicles (EVs) are expected to enter the market extensively in the coming years. The efficiency of the electrical motor used in EVs plays a significant role in their overall perfo
Externí odkaz:
https://doaj.org/article/5b5bc1ec06c84d2f85196baf56417c7d
Publikováno v:
IET Electric Power Applications, Vol 17, Iss 3, Pp 392-408 (2023)
Abstract The spoke‐type arrangement of permanent magnets (PMs) in rotor of Vernier PM (VPM) machines was first introduced in a dual‐stator topology to overcome low‐power drawback of VPM machines. However, this structure is mostly applicable for
Externí odkaz:
https://doaj.org/article/a9030cf0a3d5451592ec8613bae03f8c
Autor:
Sohrab Amini, Jawad Faiz
Publikováno v:
IET Electric Power Applications, Vol 16, Iss 9, Pp 966-984 (2022)
Abstract Performance analysis of a linear permanent magnet Vernier machine (LPMVM), which has a complex structure, is mostly based on the finite element methods, while for its optimisation or sensitivity analysis a quick mathematical technique is des
Externí odkaz:
https://doaj.org/article/b3866fc63e844414b6524ff77c449436
Publikováno v:
IET Science, Measurement & Technology, Vol 16, Iss 4, Pp 219-241 (2022)
Abstract Permanent magnet (PM) machines have gained increasing attention from the industry because of their potential merits over conventional electrical machines. High‐temperature level in electrical machines is a major factor that can adversely i
Externí odkaz:
https://doaj.org/article/9c6064741eec41188cd6c959d9e64376
Autor:
Ehsan Mazaheri‐Tehrani, Jawad Faiz
Publikováno v:
IET Electric Power Applications, Vol 16, Iss 3, Pp 277-299 (2022)
Abstract Flux‐based fault diagnosis methods have attracted ever‐increasing attention from technical communities because of their potential diagnostic capabilities and ability to overcome weaknesses of the traditional methods such as motor current
Externí odkaz:
https://doaj.org/article/00995abfd7d644c6997effe6eb90d2e1
Publikováno v:
IET Electric Power Applications, Vol 15, Iss 12, Pp 1630-1647 (2021)
Abstract Operation of Vernier machines is based on flux modulation. They have some advantages including maintaining the rated torque in motor applications and the rated output power in generator applications at low speeds, high torque density and rel
Externí odkaz:
https://doaj.org/article/74843231a0844c7b84b6b6dae7cf98df
Publikováno v:
IET Generation, Transmission & Distribution, Vol 15, Iss 13, Pp 1972-1983 (2021)
Abstract Thermal models are widely used for diagnosing thermal faults, predicting the thermal behaviour, estimating hot spots, and evaluating the loading capacity. This paper uses a new advanced thermal model, thermography method, and computational f
Externí odkaz:
https://doaj.org/article/1e2ffa10e66845fc9f770369d04cbc8f