Improving Operational Efficiency Transformers Used in Commercial Power Systems

Author(s):  
Albina Muhametzyanova ◽  
Elena Gracheva
2018 ◽  
Vol 2 (6) ◽  
Author(s):  
Chuanpeng Liu

Abstract: Network information communication technology in power systems is the key to ensuring the safe and efficient operation of power grids. The network information communication technology itself has advantages in automation operation and information transmission, thus is widely applied to the power system. In the case of ensuring that the power system is compatible with the network information communication technology, the control of the power system can be strengthened, and the operational efficiency of the power system can be improved. This paper mainly analyzes the specific application of network information communication technology in power system.


2020 ◽  
Author(s):  
David Durocher

This paper will discuss the key applicable North American Standards defining performance, testing, installation and routine field maintenance of liquid-immersed distribution substation transformers. These transformers, typically applied in commercial and industrial power systems, can be installed either in outdoor or indoor locations, applied as remote or close-coupled to either primary or secondary switchgear, or both. Recommendations based on these standards for selection, installation and factory/field testing industry users should specify to maximize reliability, operational efficiency and safety will follow.


2020 ◽  
Author(s):  
David Durocher

This paper will discuss the key applicable North American Standards defining performance, testing, installation and routine field maintenance of liquid-immersed distribution substation transformers. These transformers, typically applied in commercial and industrial power systems, can be installed either in outdoor or indoor locations, applied as remote or close-coupled to either primary or secondary switchgear, or both. Recommendations based on these standards for selection, installation and factory/field testing industry users should specify to maximize reliability, operational efficiency and safety will follow.


2021 ◽  
Vol 14 (1) ◽  
pp. 20-26
Author(s):  
E. M. Farhadzadeh ◽  
A. Z. Muradaliyev ◽  
U. K. Ashurova

One of the basic problems of electric power systems is the absence of normative documents regulating the operation, maintenance and repair of the capital equipment, the service life of which exceeds the normative value. We shall name them «old equipment» (OE). The essence of the difficulties to be overcome is reduced to the absence of methodologies for quantitative estimation of operational reliability and safety of OE, with the subsequent comparative analysis of OE. Considering the science intensity, cumbersomeness and labour intensity of solving this problem, the necessity of development of the relevant automated systems becomes indisputable. In this article, some features are considered of an estimation of an integral indicator and comparative analysis of unique facilities. Here, unique facilities mean those, which have no analogues in terms of the set combination of varieties of significant attributes. The methodological foundations of the synthesis of integral indicators are considered: ensuring the infallibility of the information base; requirements to evaluations of integral indicators; providing the physical essence of the integral indicator; possible types of integral indicators; the comparison of integral indicators of operational efficiency in the framework of the theory of testing statistical hypotheses for one-dimensional random variables is associated with a high risk of erroneous decisions; the assessment of the critical values of the integral indicator is carried out on the basis of simulation modeling within the framework of the fiducial approach.The development of automated systems for collecting and formalizing data on the technical condition of OE, the automated analysis and synthesis of these data, performing standardization of TEI, evaluating integral indicators and some results of comparative analysis, preparing operational recommendations to improve work efficiency, developing appropriate methodological guidelines, indicate the possibility of an objective assessment of the operational efficiency of OE and a decrease in the risk of unacceptable consequences. For an illustration of recommended methods and algorithms, technical and economic parameters of power units with SGI-400 are used.


1996 ◽  
Vol 13 (1) ◽  
pp. 73-88
Author(s):  
James D. Cashell ◽  
Anthony H. Presutti

2003 ◽  
Vol 150 (1) ◽  
pp. 23 ◽  
Author(s):  
B. Lee ◽  
H. Song ◽  
S.-H. Kwon ◽  
D. Kim ◽  
K. Iba ◽  
...  

2001 ◽  
Author(s):  
J. Schlabbach ◽  
D. Blume ◽  
T. Stephanblome

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