A holistic DC link architecture design method for multiphase integrated modular motor drives

Verkroost, Lynn; Vansompel, Hendrik; Belie, Frederik De; Sergeant, Peter

doi:10.1109/iemdc.2019.8785391

Cited by 7 publications

(2 citation statements)

References 21 publications

(30 reference statements)

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“…Another form of windings for the BLDC machine is using printed circuit board (PCB) as shown in Figure 20b [75]. Furthermore, integration of power electronics on the machines outer frame can be made as shown in the example shown in Figure 20c, which is referred to as modular electric machines [76]. In such machines, the stator core and the power electronic modules share the same cooling jacket to improve the machine power density.…”

Section: Slotless Pcb Windings and Modular Electrical Machinesmentioning

confidence: 99%

Electrical Machines Winding Technology: Latest Advancements for Transportation Electrification

2022

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The ever-increasing demand for higher-power dense electrical machines has resulted in different electrical, mechanical, and thermal stresses, which can eventually cause machine failure. For this reason, the management of stresses and losses must be thoughtfully investigated to have a highly reliable electrical machine. The literature agrees that winding losses are the dominant loss mechanism in many electrical machines. However, statements vary on how to mitigate these losses along with the aforementioned stresses. To avoid winding failure, a study of the various winding topologies would allow for a better consideration of the challenges and limitations in the performance of different electrical machines. To this aim, this paper introduces a comprehensive review for different winding topologies. Many reported cases in the literature are summarized and compared. Moreover, the utilization of additive manufacturing (AM) in the production of the machine windings is presented, showing a high level of maturity of this emerging technology. Finally, different challenges facing the design of machine windings are introduced including the AC high frequency losses, thermal management, mechanical and acoustic problems, insulation aging, automated production, and winding manufacturability.

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Section: Slotless Pcb Windings and Modular Electrical Machinesmentioning

confidence: 99%

Electrical Machines Winding Technology: Latest Advancements for Transportation Electrification

2022

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“…The reduction of the dc-link current ripple is hence key to address the challenges in the PE design of IMMDs. Nevertheless, other dc-link capacitor design considerations, such as dc-link voltage ripple reduction or energy storage capacity, should be taken into account as well [25]. Although an elaborate study on the effect of dc-link voltage ripple constraints on the dc-link capacitor design falls outside the scope of this article, it is interesting to note that the peak-to-peak dc-link voltage ripple amplitude is proportional to the dc-link current ripple [22].…”

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Simultaneous DC-Link and Stator Current Ripple Reduction With Interleaved Carriers in Multiphase Controlled Integrated Modular Motor Drives

Verkroost

Bozalakov

Belie

et al. 2021

IEEE Trans. Ind. Electron.

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To meet the demand for increasingly high power density in electric drives, the concept of a so-called integrated modular motor drive has emerged. The machine is composed of multiple identical modules, which receive individual control signals for multiphase control, to reduce unwanted stator current harmonics. Each module is equipped with its own power electronic converter, which is integrated in the machine housing. This integration imposes strict constraints on the dc-link capacitor design. To reduce the dc-link current ripple, and hence relax the design constraints on the dc-link capacitor, without compromising the possibility to eliminate unwanted stator current harmonics by means of multiphase control, a new interleaving strategy is proposed in this article. The n modules of the machine are split into p subgroups of m modules for interleaving, while the n-phase control is preserved. An analytical model, simulations and experimental results are provided for a 4 kW test setup, confirming that multiphase control can be combined with interleaving. As a result, both the stator current harmonic distortion and the dc-link current ripple can be reduced simultaneously.

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Integration and Cooling Strategies for WBG-based Current-Source Inverters-Based Motor Drives

Lee

Torres

Dai

et al. 2021

2021 IEEE Energy Conversion Congress and Exposition (ECCE)

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A holistic DC link architecture design method for multiphase integrated modular motor drives

Cited by 7 publications

References 21 publications

Electrical Machines Winding Technology: Latest Advancements for Transportation Electrification

Electrical Machines Winding Technology: Latest Advancements for Transportation Electrification

Simultaneous DC-Link and Stator Current Ripple Reduction With Interleaved Carriers in Multiphase Controlled Integrated Modular Motor Drives

Integration and Cooling Strategies for WBG-based Current-Source Inverters-Based Motor Drives

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