scholarly journals Impact of Quasi-DC Currents on Three-Phase Distribution Transformer Installations

1992 ◽  
Author(s):  
B. W. McConnell ◽  
P. R. Barnes ◽  
Frederick M. Tesche ◽  
D. A. Schafer
Keyword(s):  
Phase Distribution ◽  
Distribution Transformer ◽  
Three Phase

scholarly journals Prediction of Core Losses of Three-Phase Distribution Transformer

2013 ◽  
Vol 7 (12) ◽  
Author(s):  
Mihail Digalovski ◽  
Krste Najdenkoski ◽  
Goran Rafajlovski
Keyword(s):  
Phase Distribution ◽  
Distribution Transformer ◽  
Three Phase ◽  
Core Losses

Building Factor of Grain-Oriented Silicon Iron (3% SiFe) with Different Thickness on 100kVA Three Phase Distribution Transformer Core

2012 ◽  
Vol 488-489 ◽  
pp. 537-541
Author(s):  
N. Ashbahani ◽  
I. Daut ◽  
Mohd Irwan Yusoff
Keyword(s):  
Power Loss ◽  
Phase Distribution ◽  
Operation Mode ◽  
Load Test ◽  
Core Material ◽  
Distribution Transformer ◽  
Silicon Iron ◽  
Three Phase ◽  
Transformer Model ◽  
Transformer Core

The power loss in laminated transformer cores is always greater than the nominal loss of the electrical steel laminations, by a factor known as the building factor. This paper discussed result of an investigation towards the effect of using two different Grain-Oriented Silicon Iron (3%SiFe) materials to the 100kVA three phase distribution transformer. The thicknesses of the material that have been used in this research are 0.23mm and 0.27mm. The transformer core will be assembled with 60o T-joint with 5mm mitred corner overlap length. Power loss has been measured using no-load test with 29 layer of lamination while nominal loss measured using Epstein test frame. At the operation mode flux density, 1.5T, the building factor of the transformer model core material with 0.23mm thickness is 1.219 while with the building factor for 0.27mm thickness is 1.250. This shows that thinner transformer core lamination is better than the other one by 2.5% during operation mode.

scholarly journals Impact of quasi-dc currents on three-phase distribution transformer installations

1992 ◽  
Author(s):  
B.W. McConnell ◽  
P.R. Barnes ◽  
F.M. Tesche ◽  
D.A. Schafer
Keyword(s):  
Phase Distribution ◽  
Distribution Transformer ◽  
Three Phase

Estimate of Three-Phase Distribution Transformer Losses Through Artificial Neural Networks

2019 ◽  
pp. 263-271
Author(s):  
Daniel Sousa da Silva ◽  
Daniel Guzman del Rio ◽  
Wheidima Carneiro de Melo ◽  
Israel Gondres Torné ◽  
Lennon Brandão Freitas do Nascimento
Keyword(s):  
Neural Networks ◽  
Artificial Neural Networks ◽  
Phase Distribution ◽  
Distribution Transformer ◽  
Three Phase ◽  
Artificial Neural
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