Partial Discharge Sensing Method using Ultra-wide Bandwidth Receiver and Rogowski Coil 


Vol. 37,  No. 2, pp. 43-48, Feb.  2012


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  Abstract

In this paper, we propose non-contact sensing method of partial discharge signal from high voltage equipment. The conventional wireless sensing method using ultra-high frequency or condenser coupling method had shortcoming because of weak signal strength or risk of direct contact to high voltage line. The proposed partial discharge sensing method utilizing Rogowski coil was able to sense high frequency signal from partial discharge without being effected by environmental noise using ultra-wide bandwidth receiver and signal integration method. The experimental partial discharge monitoring sensor for monitoring 6.6㎸ high voltage motor using ultra-wide bandwidth receiver and Rogowski coil showed possibility to sense high frequency component of 10㎃ surface discharge current from 90A current having commercial frequency. Proposed sensing method has the merit of both high sensitivity and safety because it is inherently non-contact wired monitoring method.

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  Cite this article

[IEEE Style]

K. N. Choi, "Partial Discharge Sensing Method using Ultra-wide Bandwidth Receiver and Rogowski Coil," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 2, pp. 43-48, 2012. DOI: .

[ACM Style]

Kyoo Nam Choi. 2012. Partial Discharge Sensing Method using Ultra-wide Bandwidth Receiver and Rogowski Coil. The Journal of Korean Institute of Communications and Information Sciences, 37, 2, (2012), 43-48. DOI: .

[KICS Style]

Kyoo Nam Choi, "Partial Discharge Sensing Method using Ultra-wide Bandwidth Receiver and Rogowski Coil," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 2, pp. 43-48, 2. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880