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

doi:10.1109/TIE.2017.2698408

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

Not published at VTT

Research output: Contribution to journal › Article › Scientific › peer-review

94 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 language	English
Article number	7938756
Pages (from-to)	8427-8436
Number of pages	10
Journal	IEEE Transactions on Industrial Electronics
Volume	64
Issue number	11
DOIs	https://doi.org/10.1109/TIE.2017.2698408
Publication status	Published - 1 Nov 2017
MoE publication type	A1 Journal article-refereed

Keywords

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

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10.1109/TIE.2017.2698408

Cite this

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title = "Design Aspects of High-Speed Electrical Machines with Active Magnetic Bearings for Compressor Applications",

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.",

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

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AU - Uzhegov, Nikita

AU - Smirnov, Alexander

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AU - Ahn, Ji Hun

AU - Heikkinen, Janne

AU - Pyrhonen, Juha

PY - 2017/11/1

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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.

KW - AC machine

KW - active magnetic bearing (AMB)

KW - compressors

KW - electrical design

KW - high-speed (HS) drive

KW - induction machines (IM)

KW - permanent magnet (PM) machines

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

Abstract

Keywords

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