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citations
Cited by 13 publications
(6 citation statements)
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References 20 publications
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“…The key content in [10][11][12][13][14][15] is research on optimizing the cooling method for high efficiency. It is mentioned that it is necessary to improve the thermal characteristics because the characteristics deteriorate as the high-temperature characteristics of the PM motor continue to be maintained.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The key content in [10][11][12][13][14][15] is research on optimizing the cooling method for high efficiency. It is mentioned that it is necessary to improve the thermal characteristics because the characteristics deteriorate as the high-temperature characteristics of the PM motor continue to be maintained.…”
Section: Discussionmentioning
confidence: 99%
“…Recently, a mass-produced EV driving motor design technology mainly uses a hairpin winding technology for designing a stator winding using a round copper wire [5][6][7][8]. The advantage of the hairpin winding technology is that it is possible to secure the fill factor, which is the ratio of conductors in the stator slot, to more than 70% [9][10]. In addition, the area of the winding required to produce the same output is required to be smaller than that of the round copper wire [12].…”
Section: ░ 1 Introductionmentioning
confidence: 99%
“…Research activities on hairpin windings in recent years have mainly focused on electromagnetic design [15][16][17], AC losses [18][19][20], thermal management [21][22][23], insulation properties [24,25] as well as manufacturing process [26][27][28]. Quantitative performance comparisons were made in [10,15] which highlighted the advantages of hairpin windings over random windings.…”
Section: Ljmentioning
confidence: 99%
“…The current density distribution and resulting AC losses in the stator windings can vary significantly with the phase arrangement. In [23], analytical and FE results were provided to analyze the effect of phase arrangements on the current density distribution and winding resistance inside a single slot. The results indicated that the winding resistance increases when there is only one phase inside the slot (single-phase arrangement as depicted in Figure 4a), and decreases when two different phases are placed in the same slot (two-phase arrangement as depicted in Figure 4b).…”
Section: Winding Phase Arrangementmentioning
confidence: 99%
“…To extend the winding loss analysis to the motor level and investigate the impact of key operating points of EV traction machines; A previous study analyzed the impact of the phase arrangement on AC winding losses in a single slot using a 2D analytical model [20]. The results were similar to those in [23], wherein the worst-case AC losses occur when the slot contains only single-phase coils, and the losses decrease when the slot contains multiphase coils. Furthermore, the effect of the phase arrangement on the AC losses of the entire machine was investigated using a 2D analytical model [24].…”
mentioning
confidence: 92%