Results 11 to 20 of about 734,487 (348)
The purification of hydrometallurgical process solutions by Fe(III) precipitation is a common and large-scale industrial operation. This step is notorious for valuable metal loss occurring with the iron precipitation product, which is usually directed to
Tasawar Javed, Edouard Asselin
doaj +1 more source
High-Efficiency Drive Method of Adjustable Field IPMSM Utilizing Magnetic Saturation
This paper describes a high-efficiency drive method of an adjustable field Interior Permanent Magnet Synchronous Motor (IPMSM) utilizing magnetic saturation.
Kiyohiro Iwama, Toshihiko Noguchi
doaj +1 more source
Comprehensive Analysis of the AC Copper Loss for High Speed PM Machine With Form-Wound Windings
The skin effect and proximity effect at high frequencies would greatly increase the AC copper loss of high speed permanent magnet machines (HSPMMs), especially for form-wound windings.
Guanghui Du +5 more
doaj +1 more source
Electrically-excited flux-switching machines are advantageous in simple and reliable structure, good speed control performance, low cost, etc., so they have arouse wide concerns from new energy field.
Hui Wen +5 more
doaj +1 more source
Amorphous alloy has been proposed to replace silicon steel as the stator core material of high-speed asynchronous motors so as to reduce their core losses. However, it is found that this is at the expense of increasing the copper loss.
Jiahao Zhang +6 more
doaj +1 more source
Nanocomposites of metallic copper and spinel ferrite films: Growth and self-assembly of copper particles [PDF]
Nanocomposites of metallic copper and iron oxides films have been prepared by RF-sputtering of pure CuFeO2 delafossite target. The films are made of copper and spinel ferrite crystallites of less than 10 nm in diameter. The content of metallic copper and
Barnabé, Antoine +5 more
core +3 more sources
The configuration of conventional high-speed Permanent Magnet Synchronous Motors (PMSMs) is usually long and thin, with overlong axial end winding lengths, which is not suitable for those applications that place severe restrictions on the axial length ...
Yuan Wan +3 more
doaj +1 more source
The effect of winding topologies on the performance of flux-switching permanent magnet machine having different number of rotor poles [PDF]
Comparison of the electromagnetic performance of a flux-switching permanent magnet (PM) machine having two separate stators as well as different winding topologies is investigated in this paper.
Chukwuemeka Chijioke Awah +1 more
doaj +1 more source
Analysis of Copper Loss of Permanent Magnet Synchronous Motor With Formed Transposition Winding
In recent years, the hairpin winding flat wire motor has received more and more attention because of its high power density and high torque, but the problem of increased AC copper loss caused by the increase of its wire diameter has restricted the use of
Yanping Liang +5 more
doaj +1 more source
Different from the copper loss of general permanent magnet (PM) motors, the copper loss of ultra‐high‐speed permanent magnet motors (UHSPMSM) includes DC losses and eddy current losses, which lead to difficulty in analysis.
Qixing Gao +3 more
doaj +1 more source

