Development of an Axial Gap Motor With Amorphous Metal Cores

Wang, Zhuonan; Masaki, Ryoso; Morinaga, Shigeki; Enomoto, Yûji; Itabashi, Hiromitsu; Ito, M.; Tanigawa, S.

doi:10.1109/tia.2011.2127430

Cited by 74 publications

(23 citation statements)

References 5 publications

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“…Research on creation of electrical machines with magnetic circuits of amorphous iron is actively conducted by Hitachi for low-power electrical machines (up to 5 kW) [23,24]. Publications do not provide information on electrical machines with a magnetic circuit of amorphous iron for higher power.…”

Section: Hsempm With a Magnetic Circuit Of Amorphous Ironmentioning

confidence: 99%

Improving the Efficiency of Electrical High-RPM Generators With Permanent Magnets and Tooth Winding

Исмагилов¹,

Vavilov²,

Karimov³

2018

PIER M

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Abstract-This paper solves the problem of minimizing losses in the stator magnetic core of high-speed electric machines with the use of amorphous iron. A fundamentally new technology for manufacturing of a stator magnetic core from segments of amorphous steel is developed by the authors. The feature of the new stator design is the possibility to use technological ducts located inside the stator as cooling ducts. This aspect significantly improves the heat dissipation from the active zone of the stator and, accordingly, minimizing temperature. The efficiency of this solution was studied using two power generators of 100 kW and 200 kW and rotational speeds of 60,000 rpm and 45,000 rpm respectively in the software complex Ansys Maxwell. Harmonic compositions of currents and voltages, flux density distributions in active elements of the generator in various operating modes were studied: under load, in a three-phase short-circuit and at idle. Also, the obtained data were compared with analogous models of an electrogenerator made of electrical steel. The results of the study showed the operability and effectiveness of the proposed technology. Based on the results of the research, a prototype of the stator magnetic core made from amorphous iron was created. Losses in the generator were experimentally measured. Also the results of experimental studies of aerodynamic losses are presented.

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Section: Hsempm With a Magnetic Circuit Of Amorphous Ironmentioning

confidence: 99%

Improving the Efficiency of Electrical High-RPM Generators With Permanent Magnets and Tooth Winding

Исмагилов¹,

Vavilov²,

Karimov³

2018

PIER M

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“…Figure 1 shows the obtained curve, which characterizes the decrease in the power density and efficiency as a power change function. The curve is based on the analysis of promising developments and industrially produced HSPM of the aviation systems [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]. Figure 1 shows that the minimum achieved energy density of commercial high-speed SG of the UAVs is 0.32-0.33 kg/kW at the power below 5 kW.…”

Section: Research Landscapementioning

confidence: 99%

“…This allows the steel loss minimization by 400-600% in comparison with the silicon or cobalt alloys. Research works on the design of electrical machines with a stator core made of amorphous alloy are presented in [22][23][24]. Nevertheless, the industrial SG designs for UAVs are not presented.…”

Section: Research Landscapementioning

confidence: 99%

Design, Optimization and Initial Testing of a High-Speed 5-Kw Permanent Magnet Generator for Aerospace Application

Исмагилов¹,

Vavilov²,

Miniyarov³

et al. 2017

PIER C

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Abstract-The article presents a new topology of the high-speed synchronous electrical machines with permanent magnets with the tooth-coil windings with a stator magnetic core made of amorphous alloys for prospective unmanned aerial vehicles. This is a multidisciplinary design algorithm with optimization elements, which are proposed to design such machines. Based on the proposed algorithm, calculations of several topologies were performed by using computer simulation methods. In addition, the analysis of the rotor dynamics as part of the turbojet engine of the unmanned aerial vehicle and the calculations of the mechanical rotor strength were performed. To minimize the eddy-current losses in permanent magnets, the multicriteria optimization of the slotted zone was carried out by using genetic algorithms. A cooling system was proposed, and thermal calculations were performed. To verify the proposed design algorithm and to evaluate the efficiency of the amorphous alloy, a full-sized 5 kW experimental sample with a rotational speed of 60,000 rpm was created. Results can be used to create new promising UAVs and to design electrical machines for other industrial applications.

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“…Taking advantage of the manufacture ease, AMM is also often used for axial-field PMSMs. 1,[5][6][7] Axial-field PMSMs are however not suited for all applications and in Ref. 8, a radial-field synchronous motor with surface-mounted magnets (SPMSM) is developed.…”

Section: Introductionmentioning

confidence: 99%

Core losses of an inverter-fed permanent magnet synchronous motor with an amorphous stator core under no-load

et al. 2016

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In this paper, an interior permanent magnet synchronous motor (IPMSM) with a stator core made of amorphous magnetic material (AMM) is presented. The IPMSM is driven by a voltage source three-phase inverter with classical pulse width modulation (PWM) control. The core losses under no-load condition are measured by experiment and compared to an equivalent IPMSM with a stator core made of NO steel. Under these conditions, the core losses are influenced by the stator, rotor and magnet shapes but also by the PWM carrier signal that implies a high frequency harmonic in the magnetic flux density. It is demonstrated that the AMM can reduce the core losses by about 56 %.

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Development of an Axial Gap Motor With Amorphous Metal Cores

Cited by 74 publications

References 5 publications

Improving the Efficiency of Electrical High-RPM Generators With Permanent Magnets and Tooth Winding

Improving the Efficiency of Electrical High-RPM Generators With Permanent Magnets and Tooth Winding

Design, Optimization and Initial Testing of a High-Speed 5-Kw Permanent Magnet Generator for Aerospace Application

Core losses of an inverter-fed permanent magnet synchronous motor with an amorphous stator core under no-load

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