Effects of Fiber and Copper Particles on Conductivity and Breakdown Characteristics of Natural Ester and Mineral Oil under DC Voltage
The converter transformer is a key equipment in high voltage direct current (HVDC) transmission system. Its oil-paper insulation system in the valve winding and outlet bushing experiences AC, DC, AC/DC, and transient impulse voltages simultaneously. The oil contamination problem is more serious unde...
Main Authors: | Lin Cheng, Yi Jiang, Min Dan, Hao Wen, Yanqing Li, Wei Qin, Jian Hao |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-04-01
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Series: | Energies |
Subjects: | |
Online Access: | https://www.mdpi.com/1996-1073/13/7/1818 |
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