TITLE:
Economic Benefit Analysis of 220 kV Energy-saving Power Transformer
AUTHORS:
Weili Chen, Xian Ma, Jingtian Bi, Zhisen Li, Tong Jiang
KEYWORDS:
220 kV Power Transformer; Loss Reduction Technology of Transformer; TOC Algorithm; Economic Analysis
JOURNAL NAME:
Energy and Power Engineering,
Vol.5 No.4B,
November
7,
2013
ABSTRACT: Power transformer serves as one of the most widely used electrical equipments in
power grid. During the operation, terrible losses are produced. With the development of loss
reduction technology of power transformers, in order to save energy
saving and reduce emissions, the old power transformer should be replaced. The
paper summarizes the main method to reduce the losses of power transformers
and brings up the improved Total Owning Cost (TOC) algorithm, which applies to 220 kV power
transformers’ comprehensive benefit analysis. Using the improved Total Owning Cost
(TOC) algorithm, based on today 220 kV energy-saving power transformer
manufacturing level, the economic benefits of new energy-saving power transformer
and the return period of investment are analyzed. Finally, combined with energy-saving effect, the appropriate replacement proposal of 220 kV power
transformers has been given.