Effects of Degraded Optical Fiber Sheaths on Thermal Aging Characteristics of Transformer Oil
Abstract
:1. Introduction
2. Experimental Methods
2.1. Preparation of Test Material
2.2. Test Platform
2.2.1. Electric Performance of Oil Test
2.2.2. Acid Values and Water Content Test
2.2.3. Infrared Spectroscopy of Oil
2.2.4. Optical Fiber Microscopic Morphology
3. Results and Discussion
3.1. Electric Performance of Oil
3.2. Water Content and Acid Value of Oil
3.3. Test Analysis
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Oil Category | Fitting Equation W = A + B × exp(C × t) | R2 |
---|---|---|
oil containing TPEE fiber | W = −309.612 + 324.164 × exp(0.0037 × t) | 0.98 |
oil containing PTFE fiber | W = −140.324 + 157.927 × exp(0.0054 × t) | 0.95 |
Oil Category | Fitting Equation V = A+B × exp(C × t) | R2 |
---|---|---|
oil containing TPEE fiber | V = −0.069 + 0.039 × exp(0.1113 × t) | 0.93 |
oil containing PTFE fiber | V = 2.553 - 2.577 × exp(-0.0067 × t) | 0.98 |
Absorption Peaks | Wave Number (cm−1) | Adscription |
---|---|---|
a | 2952 | Asymmetric stretching vibration of methyl C-H |
b | 2923 | Asymmetric stretching vibration of methylene C-H |
c | 2868 | Stretching vibration of methyl C-H |
d | 1461 | Bending vibration of methylene C-H |
e | 1377 | Bending vibration of methyl C-H |
f | 972 | Bending vibration of carbon ring C-C |
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Liu, Y.; Jiang, S.; Fan, X.; Tian, Y. Effects of Degraded Optical Fiber Sheaths on Thermal Aging Characteristics of Transformer Oil. Appl. Sci. 2018, 8, 1401. https://doi.org/10.3390/app8081401
Liu Y, Jiang S, Fan X, Tian Y. Effects of Degraded Optical Fiber Sheaths on Thermal Aging Characteristics of Transformer Oil. Applied Sciences. 2018; 8(8):1401. https://doi.org/10.3390/app8081401
Chicago/Turabian StyleLiu, Yunpeng, Shuo Jiang, Xiaozhou Fan, and Yuan Tian. 2018. "Effects of Degraded Optical Fiber Sheaths on Thermal Aging Characteristics of Transformer Oil" Applied Sciences 8, no. 8: 1401. https://doi.org/10.3390/app8081401