Parameter determination of 0.5 hp induction motor based on load factor test - A case study

I. Daut*, N. Gomesh, M. Irwanto, Y. Yanawati, S. Nor Shafiqin, Y. M. Irwan

*Corresponding author for this work

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

6 Citations (Scopus)

Abstract

The load can influence the efficiency of the induction motor. Even if the load has higher or less load factor, it can reduce the efficiency of an induction motor by several percentage. By knowing this, it is important that an induction motor be loaded with an appropriate or load factor of 100%. In this paper, the experiment is conducted to prove that efficiency decreases when the 0.5 hp induction motor's is interfaced under low load factor condition and in this case a 65% load factor. The induction motor is interfaced with a DC generator and a variable resistance as load. In order to determined the efficiency and the mechanical output power of the induction motor, the voltage of the induction motor is varied from 0-415 volt and the appropriate data is taken. This is then analysis and several calculation formulas are used to determine the motor's parameters. After that the losses are segregated and from this we can compare the efficiency values in which it shows low efficiency of 66.62% based on output/input method and 66.34% by using the losses formula. This proofs that at low load factor the efficiency of the induction motor reduces.

Original languageEnglish
Title of host publicationInECCE 2011 - International Conference on Electrical, Control and Computer Engineering
Pages477-480
Number of pages4
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event1st International Conference on Electrical, Control and Computer Engineering 2011, InECCE 2011 - Kuantan, Malaysia
Duration: 21 Jun 201122 Jun 2011

Publication series

NameInECCE 2011 - International Conference on Electrical, Control and Computer Engineering

Conference

Conference1st International Conference on Electrical, Control and Computer Engineering 2011, InECCE 2011
Country/TerritoryMalaysia
CityKuantan
Period21/06/1122/06/11

Keywords

  • Efficiency
  • Energy Consumption
  • Load Factor
  • Mechanical output power
  • Motor Losses

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