Comprehensive Evaluation Method of Energy-saving Effect for Frequency Conversion System Based on Total Harmonic Components

Authors

  • Cao Ying School of Mechanical Science and Engineering, Northeast Petroleum University, 163318, Daqing, China
  • Li Hui Energy-saving Technology Monitoring and Evaluation Center of CNPC, No.552 Xibin Road, Daqing, 163453, China
  • Paerhati Xinjiang Oilfield Company Experiment and Detection Research Institute of CNPC, No. 29 Junggar Road, Karamay, 834000, China
  • Xu Xiu-fen School of Mechanical Science and Engineering, Northeast Petroleum University, 163318, Daqing, China
  • Ge Yong-guang Xinjiang Oilfield Company Experiment and Detection Research Institute of CNPC, No. 29 Junggar Road, Karamay, 834000, China

DOI:

https://doi.org/10.13052/dgaej2156-3306.3633

Keywords:

Frequency conversion system, energy-saving indicators, total harmonic components, energy-saving effect, comprehensive evaluation, weighted matrix.

Abstract

With the development and application of frequency conversion technology,
the types of frequency conversion equipment are becoming more and more
diverse, and the corresponding energy efficiency testing and evaluation meth-
ods are different, which leads to inconsistencies in the selection of equipment
and the operation analysis and evaluation of the frequency conversion system.
It is urgent to find an effective solution. By analyzing the problems of the
current energy-saving test and evaluation methods of the frequency con-
version system, the energy-saving evaluation index system and calculation
method based on the total harmonic components are proposed. Establish a
harmonic evaluation index system covering 9 indicators. On this basis, 6 core
harmonic indicators are selected, and the comprehensive harmonic influence
coefficient and weight matrix are introduced to establish a comprehensive evaluation method for energy-saving effects based on harmonic total com-
ponents and weighted matrix model. On this basis, 15 different working
conditions of the energy-saving test and analysis evaluation experiments for
of frequency conversion system have been carried out. The results show that
the total harmonic components analysis method proposed in this paper can
reflect the energy efficiency level of the frequency conversion system and
its equipments more realistically on the premise of meeting the analysis and
actual operation requirements on site. At the same time, the established com-
prehensive evaluation method of energy saving effect can comprehensively
and reasonably analyze the impact of harmonics on the performance of the
frequency conversion system. In addition, it provides theoretical guidance for
reasonably determining the optimal operating conditions of the system and
equipment, and taking corresponding harmonic prevention measures to effec-
tively improve the quality of power transmission and the actual energy-saving
effects of frequency conversion technology.

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Author Biographies

Cao Ying, School of Mechanical Science and Engineering, Northeast Petroleum University, 163318, Daqing, China

Cao Ying received the bachelor’s degree in automation from Shanghai Mar-
itime University in 2008, the master’s degree in power electronics and power
transmission from Northeast Petroleum University in 2011, and the philoso-
phy of doctorate degree in Oil & Gas Engineering from Northeast Petroleum
University in 2016, respectively. She is currently working as a Lecturer at
the School of Mechanical Science and Engineering, Energy-saving Research
and Development Center, Northeast Petroleum University. Her research areas
include power electronics, fault diagnosis, oil & gas field energy-saving technology research, standardization management, energy management and
policy research. Since 2011, she has been the Secretary of the National Oil
and Gas Standardization Technical Committee - Energy and Water Saving
Technical Committee of Oil and Gas Field (SAC/TC355/SC11). She is the
author of four books, more than 20 articles, and more than 20 standards.

Li Hui, Energy-saving Technology Monitoring and Evaluation Center of CNPC, No.552 Xibin Road, Daqing, 163453, China

Li Hui received the bachelor’s degree in Petroleum Engineering from Daqing
Petroleum Institute in 2008, the master’s degree in Oil & Gas field devel-
opment engineering from Northeast Petroleum University in 2011. He is
currently working as an engineer and deputy director in the Daqing Oil-
field Energy Conservation Technology Monitoring and Evaluation Center of
CNPC. His research areas include energy consumption monitoring of key
energy-consuming equipment in oil & gas fields, research and application of
energy-saving technologies for key energy-using systems in oil & gas fields,
energy audit and energy saving review.

Paerhati, Xinjiang Oilfield Company Experiment and Detection Research Institute of CNPC, No. 29 Junggar Road, Karamay, 834000, China

Paerhati received the bachelor’s degree in electric automation from Dalian
University of Technology in 1996. He is currently working as a Senior
Engineer and Director at the Experiment and Detection Research Institute, PetroChina Xinjiang Oilfield Company. His research areas include electrical
automation, energy consumption testing and analysis, energy-saving mon-
itoring, intelligent testing technology and method research, energy-saving
management of oilfield production systems.

Xu Xiu-fen, School of Mechanical Science and Engineering, Northeast Petroleum University, 163318, Daqing, China

Xu Xiu-fen received the bachelor’s degree in petroleum mining machinery
from Daqing Petroleum Institute in 1992, the master’s degree in petroleum
mining machinery from Daqing Petroleum Institute in 1995, and the phi-
losophy of doctorate degree in electromechanical engineering from Harbin
Institute of Technology in 2005, respectively. She is currently working as
a Professor at the School of Mechanical Science and Engineering, Energy-
saving Research and Development Center, Northeast Petroleum University.
Her research areas include mechatronics, energy-saving technology research
in oil and gas fields, standardized management. Since 2013, she has been
the Secretary General of the National Oil and Gas Standardization Technical
Committee - Energy and Water Saving Technical Committee of Oil and Gas
Field (SAC/TC355/SC11).

Ge Yong-guang, Xinjiang Oilfield Company Experiment and Detection Research Institute of CNPC, No. 29 Junggar Road, Karamay, 834000, China

Ge Yong-guang received the bachelor’s degree in electrical engineering
and automation from North China Institute of Water Conservancy and Hydropower in 2005. He is currently working as a Senior Engineer and
Director at the Experiment and Detection Research Institute, PetroChina
Xinjiang Oilfield Company. His research areas include electrical automation,
energy-saving monitoring and management, intelligent testing technology
and method research.

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Published

2021-07-06

How to Cite

Ying, C., Hui, L. ., Paerhati, Xiu-fen, X. ., & Yong-guang, G. . (2021). Comprehensive Evaluation Method of Energy-saving Effect for Frequency Conversion System Based on Total Harmonic Components. Distributed Generation &Amp; Alternative Energy Journal, 36(3), 239–268. https://doi.org/10.13052/dgaej2156-3306.3633

Issue

2021: Vol 36 Iss 3

Section

Articles