Induction motor tradeoff for VSD driven pumps and fans

Teddy Nickolayevsky*, Sigmond Singer

*Corresponding author for this work

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

Abstract

In this paper a new approach in overall drive system choice for centrifugal applications is proposed. This approach lies in tradeoff between number of induction motor poles and overall system efficiency and investment. The proposed technique of induction motor and proper drive selection based on theoretical proof that high nominal speed motor have better efficiency at any operated speed that low speed one in spite of nominal torque is equivalent for both. In present article curves, that represents induction motor efficiency changes versus speed when it driven by VSD, theoretically calculated for various pole number motors at various load types, speeds and VSD control techniques. Based on calculated data energy efficiency and tradeoff analysis for various types of motors and loads was carried out.

Original languageEnglish
Title of host publication2006 IEEE 24th Convention of Electrical and Electronics Engineers in Israel, IEEEI
Pages270-274
Number of pages5
DOIs
StatePublished - 2006
Event2006 IEEE 24th Convention of Electrical and Electronics Engineers in Israel, IEEEI - Eilat, Israel
Duration: 15 Nov 200617 Nov 2006

Publication series

NameIEEE Convention of Electrical and Electronics Engineers in Israel, Proceedings

Conference

Conference2006 IEEE 24th Convention of Electrical and Electronics Engineers in Israel, IEEEI
Country/TerritoryIsrael
CityEilat
Period15/11/0617/11/06

Keywords

  • Centrifugal load
  • Efficiency
  • Induction motor
  • Tradeoff
  • Variable speed drive

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