CO2/CO concentration ratio: A complementary method for determining the degree of polymerization of power transformer paper insulation

2017 ◽  
Vol 33 (1) ◽  
pp. 24-30 ◽  
Author(s):  
Ashkan Teymouri ◽  
Behrooz Vahidi
Keyword(s):  
Concentration Ratio ◽  
Power Transformer ◽  
Degree Of Polymerization ◽  
Complementary Method ◽  
Co Concentration ◽  
Paper Insulation

scholarly journals THE DEGREE OF POLYMERIZATION OF POWER TRANSFORMERS’ PAPER INSULATION

2019 ◽  
Vol 20 (9-10) ◽  
pp. 34-38 ◽  
Author(s):  
V. K. Kozlov ◽  
A. Kh. Sabitov
Keyword(s):  
Aging Time ◽  
Thermal Aging ◽  
Manufacturing Process ◽  
Degree Of Polymerization ◽  
Power Transformers ◽  
Aging Rate ◽  
Slowing Down ◽  
Starting Time ◽  
Exponential Decrease ◽  
Paper Insulation

The paper presents the results of research and analysis of literature data on the paper insulation's thermal aging. An exponential decrease in the degree of polymerization of paper insulation from the aging time is established, at the starting time of transformers’ operation the aging rate of paper insulation is maximal and after that its slowing down. It was found out that the degree of polymerization at the starting time of the transformer's operation can be in the range of 900 units, this is due to its drying during the manufacturing process.

Lifespan Model of the Relationships between Ethanol Indicator and Degree of Polymerization of Transformer Paper Insulation

2021 ◽  
Vol 28 (6) ◽  
pp. 1859-1866
Author(s):  
Enze Zhang ◽  
Hanbo Zheng ◽  
Yiyi Zhang ◽  
Jiefeng Liu ◽  
Zhen Shi ◽  
...  
Keyword(s):  
Degree Of Polymerization ◽  
Paper Insulation
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