Multi-Disciplinary Design of High-RPM Electric Generator with External Rotor for Unmanned Aerial Vehicle

Vavilov, Vyacheslav; Исмагилов, Ф. Р.; Khayrullin, Irek; Karimov, Ruslan

doi:10.15866/irease.v9i4.10340

Cited by 2 publications

(3 citation statements)

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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%

“…In addition to UAVs with a turbojet engine, the tasks of creating high-efficiency SGs are also in the UAVs on electric traction. Now the main direction of their development is the use of hybrid schemes, where the SG is the main energy source for the traction motor and largely determines the UAV capabilities, flight time and its speed characteristics [5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

“…In [6][7][8] it is shown that HSPMs with an external rotor are better than with an inner rotor due to their high power density. However, it is difficult to integrate such machines on the shaft.…”

Section: Introductionmentioning

confidence: 99%

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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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