Search Results - "Toporkov, D. M."

Evaluation of Asynchronous Traction Motor Losses when Operating from a Frequency Converter by Zhilin, O. A., Toporkov, D. M.

“…This article is devoted to the evaluation of additional power losses that occur in an asynchronous traction motor operating from a frequency converter. An…”
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Torque Pulsations in Machines with Fractional Slot Windings and Permanent Magnets by Babitsky, D. Yu, Toporkov, D. M., Heinrich, G. O.

“…A study of torque pulsations in electrical machines with fractional slot windings and permanent magnets has been carried out. The design of a magnetic system…”
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Application of a Magnetically Conductive Wedge in the Stator Design of Synchronous Salient-Pole Machines with Fractional-Slot Tooth Winding by Popov, I. L., Toporkov, D. M., Babitsky, D. Yu

“…Often, one of the requirements put forward when designing synchronous machines with electromagnetic excitation is a low shaft speed, but it is not always…”
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Optimization of Hydrogenerator Rotor Geometry with a Fractional Slot Concentrated Winding for the TPPs and Small HPPs by Popov, I. L., Toporkov, D. M.

“…Generators of tidal and small hydroelectric power stations usually work together with a multiplier or a frequency converter. Using a fractional single-tooth…”
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Effect of Permanent-Magnet Temperature and Rotor-Magnet-System Design on the External Characteristic of a Magnetoelectrically Excited Generator Operating in an Autonomous Load Mode by Babitsky, D. Yu, Toporkov, D. M.

“…That adjusting excitation flux in the case of permanent-magnet generators is impossible is the reason for special requirements for the external characteristic…”
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A Methodology for Recalculation of Parameters of Submersible Induction Motors Operating in Nonnominal Modes by Toporkov, D. M., Domakhin, E. A., Fakhreeva, V. V., Lobacheva, A. S., Chusovitin, G. N.

“…In this paper, we consider methods for calculating nonnominal operating modes of induction motors used in wells with individual characteristics. The results of…”
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Methods to Improve the Harmonic Composition of the Magnetic Field in Electric Machines with Fractional Slot Winding by Babitskii, D. Yu, Toporkov, D. M., Pristup, A. G., Temlyakova, Z. S.

“…A specific feature of fractional slot windings is the harmonic composition of the magnetic field that contains a number of nonworking harmonics having adverse…”
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A study of cogging torque in permanent magnet synchronous machines with fractional slot windings by Pristup, A. G., Toporkov, D. M., Shevchenko, A. F.

“…Results of an investigation of cogging torque in permanent magnet synchronous machines with fractional slot windings are given, and the nature of their origin…”
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Construction and design features of permanent magnet electric motors for general industrial purposes by Shevchenko, A. F., Pristup, A. G., Novokreshchenov, O. I., Toporkov, D. M., Korneev, V. V.

“…Issues of permanent magnet synchronous motor with a fractional slot winding design are discussed in this paper. Fractional slot concentrated windings are…”
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