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Comparative Study on Energy Efficiency Evaluation Methods of Variable Frequency Motor System

  • Paerhati AbudoukelimuEmail author
  • Su’an Ge
  • Yanfeng Sun
  • Yongguang Ge
  • Peng Li
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 691)

Abstract

The evaluation of the energy consumption is the focus of the motor running condition monitoring. At present, frequency conversion motor system did not install the torque sensor. In view of this situation, first of all, this paper fully considers the basic principle of frequency conversion motor system, as well as nameplate method, slip method, current method and equivalent circuit method. Then, this paper presents a energy consumption calculation method based on the input and output data of variable frequency motor and motor speed. Therefore, non-intrusive energy efficiency on-line evaluation is realized. The method can apply to variable frequency motor system without torque sensor. In this paper, 37 kW motor is used as an example. Above-mentioned different methods were experimentally verified. The accuracy of the proposed method is verified under different operating frequencies.

Keywords

Frequency conversion motor system Efficiency Energy saving Online evaluation 

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • Paerhati Abudoukelimu
    • 1
    Email author
  • Su’an Ge
    • 1
  • Yanfeng Sun
    • 1
  • Yongguang Ge
    • 1
  • Peng Li
    • 1
  1. 1.Experimental Research Institute of Xinjiang Oilfield CompanyXinjiangChina

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