The Cause of Mechanical Vibration of Palasher Synchronous Motors and its Removal | Zendy

Jiří Pavelka | Zendy; J Šimek | Zendy; Pavel Kobrle | Zendy; Petr Kokeš | Zendy

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The Cause of Mechanical Vibration of Palasher Synchronous Motors and its Removal

Author(s) -

Jiří Pavelka,

J Šimek,

Pavel Kobrle,

Petr Kokeš

Publication year - 2019

Publication title -

transactions on electrical engineering

Language(s) - English

Resource type - Journals

ISSN - 1805-3386

DOI - 10.14311/tee.2019.4.068

Subject(s) - stator , vibration , electromagnetic coil , span (engineering) , compensation (psychology) , torque , flux (metallurgy) , engineering , voltage , electrical engineering , control theory (sociology) , acoustics , computer science , physics , structural engineering , materials science , artificial intelligence , psychology , control (management) , psychoanalysis , metallurgy , thermodynamics

The paper describes the procedure and the result of the analysis of mechanical vibrations of mining machines at the Palasher mine in the Russian Federation. The cause of these vibrations was the change in the magnitude of the magnetic flux in the air gap. The simulations showed the possibility of eliminating these changes in magnetic flux by injecting suitable voltages into the stator windings. The implementation of this injection is further described by torque variable component feed-direct compensation. Finally, oscillography records are presented before and after injection.

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