Field Testing and Condition Assessment of MV Power Cable System by Very Low Frequency (VLF) AC Testing
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Abstract
A huge capital investment goes for power cables in an electric power system. Reliability and life expectancy of serviceaged power cables can be assured by systematic field testing and condition assessment program. Very Low Frequency (VLF) ac Testing proved effective for field testing and condition assessment of shielded Power Cable System. Central Power Research Institute (CPRI), Bengaluru, a premier institute for Indian Power Sector has been conducting diagnostic testing on medium voltage power cable systems to assess the healthiness of the power cable systems and cable system components. In this paper application of VLF testing for withstand and other diagnostic tests and measurements are discussed. Few case studies based on the data obtained from the field testing on MV Power Cable System are presented.
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How to Cite
Kumar Puhan, D., Sharma, R., Thirumurthy, & Meena, K. P. (2020). Field Testing and Condition Assessment of MV Power Cable System by Very Low Frequency (VLF) AC Testing. Power Research - A Journal of CPRI, 187–192. https://doi.org/10.33686/pwj.v16i2.155908
References
- Puhan DK, Keri CD, Rao BN. CPRI experience in diagnostic testing and condition assessment of medium voltage power cable system.
- Mallikarjunappa K, Ramaprasath S, Keri CD, Sudhindra A. CPRI, Bangalore, Very low frequency tan delta testing and condition assessment of medium voltage polymeric cables.
- IEEE Std 400.2TM-2013, IEEE guide for field testing of shielded power cables using very low frequency (less than 1Hz).