Design Aspects of High-Speed Electrical Machines with Active Magnetic Bearings for Compressor Applications

Nikita Uzhegov, Alexander Smirnov, Cheol Hoon Park, Ji Hun Ahn, Janne Heikkinen, Juha Pyrhonen

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Abstract

Two-stage oil-free centrifugal air compressors can bring significant advantages and open new market opportunities for compressor manufacturers. One of the core technologies behind this compressor type is the high-speed electrical machine supported by active magnetic bearings. In this paper, the requirements set by the compressor on the electrical machine design are presented. The design solutions aimed to satisfy these requirements are discussed. Two case studies illustrate possible design approaches for the target application with examples of a 120-kW, 60 000-r/min induction machine with a solid rotor and a 225-kW, 50 000-r/min permanent-magnet synchronous machine (PMSM) with a full cylindrical magnet. The system design and simulation results are confirmed by measurements of a PMSM prototype.

Original languageEnglish
Article number7938756
Pages (from-to)8427-8436
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Volume64
Issue number11
DOIs
Publication statusPublished - 1 Nov 2017
MoE publication typeA1 Journal article-refereed

Fingerprint

Magnetic bearings
Compressors
Permanent magnets
Machine design
Magnets
Rotors
Systems analysis

Keywords

  • AC machine
  • active magnetic bearing (AMB)
  • compressors
  • electrical design
  • high-speed (HS) drive
  • induction machines (IM)
  • permanent magnet (PM) machines

Cite this

Uzhegov, Nikita ; Smirnov, Alexander ; Park, Cheol Hoon ; Ahn, Ji Hun ; Heikkinen, Janne ; Pyrhonen, Juha. / Design Aspects of High-Speed Electrical Machines with Active Magnetic Bearings for Compressor Applications. In: IEEE Transactions on Industrial Electronics. 2017 ; Vol. 64, No. 11. pp. 8427-8436.
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abstract = "Two-stage oil-free centrifugal air compressors can bring significant advantages and open new market opportunities for compressor manufacturers. One of the core technologies behind this compressor type is the high-speed electrical machine supported by active magnetic bearings. In this paper, the requirements set by the compressor on the electrical machine design are presented. The design solutions aimed to satisfy these requirements are discussed. Two case studies illustrate possible design approaches for the target application with examples of a 120-kW, 60 000-r/min induction machine with a solid rotor and a 225-kW, 50 000-r/min permanent-magnet synchronous machine (PMSM) with a full cylindrical magnet. The system design and simulation results are confirmed by measurements of a PMSM prototype.",
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Design Aspects of High-Speed Electrical Machines with Active Magnetic Bearings for Compressor Applications. / Uzhegov, Nikita; Smirnov, Alexander; Park, Cheol Hoon; Ahn, Ji Hun; Heikkinen, Janne; Pyrhonen, Juha.

In: IEEE Transactions on Industrial Electronics, Vol. 64, No. 11, 7938756, 01.11.2017, p. 8427-8436.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Design Aspects of High-Speed Electrical Machines with Active Magnetic Bearings for Compressor Applications

AU - Uzhegov, Nikita

AU - Smirnov, Alexander

AU - Park, Cheol Hoon

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AU - Heikkinen, Janne

AU - Pyrhonen, Juha

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AB - Two-stage oil-free centrifugal air compressors can bring significant advantages and open new market opportunities for compressor manufacturers. One of the core technologies behind this compressor type is the high-speed electrical machine supported by active magnetic bearings. In this paper, the requirements set by the compressor on the electrical machine design are presented. The design solutions aimed to satisfy these requirements are discussed. Two case studies illustrate possible design approaches for the target application with examples of a 120-kW, 60 000-r/min induction machine with a solid rotor and a 225-kW, 50 000-r/min permanent-magnet synchronous machine (PMSM) with a full cylindrical magnet. The system design and simulation results are confirmed by measurements of a PMSM prototype.

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KW - compressors

KW - electrical design

KW - high-speed (HS) drive

KW - induction machines (IM)

KW - permanent magnet (PM) machines

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