Suppression of Vibration in PMSM Caused by Time-Varying Load for Reciprocating Compressor

Soo Hwan Park, Jae Hyun Kim, Chi Sung Park, Yun Jae Won, Myung Seop Lim

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper deals with the vibration characteristics of permanent magnet synchronous motors (PMSMs) when there is time-varying load generated in the reciprocating compressor. As the reciprocating mechanism is necessary for compressing the refrigerant, the time-varying load torque is inevitable in compressor. However, this load torque affects to the system dynamics such as the speed fluctuation. These speed ripple cause unexpected vibration characteristics because they induce sideband components in the time harmonics of the electromagnetic force of PMSM. Therefore, we analyzed the vibration characteristics of PMSM according to time harmonics variation and conduct a study to suppress sideband vibration by adopting harmonic current injection method.

Original languageEnglish
Title of host publication2024 International Conference on Electrical Machines, ICEM 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350370607
DOIs
StatePublished - 2024
Event2024 International Conference on Electrical Machines, ICEM 2024 - Torino, Italy
Duration: 1 Sep 20244 Sep 2024

Publication series

Name2024 International Conference on Electrical Machines, ICEM 2024

Conference

Conference2024 International Conference on Electrical Machines, ICEM 2024
Country/TerritoryItaly
CityTorino
Period1/09/244/09/24

Keywords

  • Amplitude modulation
  • frequency modulation
  • permanent magnet synchronous motors
  • reciprocating compressor
  • time-varying load

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