Manufacturing and Characteristics Analysis of a Testing Device for the Evaluation of a Distribution Board Management System 


Vol. 34,  No. 5, pp. 31-36, Oct.  2019
10.14346/JKOSOS.2019.34.5.31


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  Abstract

This study made a testing device to evaluate the distribution board management system. Power was supplied to the testing device using a loading-back method and the voltage applied to it was 440 V at the same turn ratio. When the human body electric shock current is 30 mA, the breaking time is set to be less than 240 ms while 30~45 mA current is flowing. The test result shows that in the case of the R-phase it was measured to be 5.19 Hz (193 ms). And the S-phase and T-phase were perfectly cut off at 5.39 Hz (186 ms) and 5.71 Hz (175 ms), respectively. When the human body electric shock current is 60mA, the breaking time is set to be less than 120 ms while 45~75 mA current is flowing. The test result shows that the R-phase, S-phase, and T-phase were accurately cut off at 8.39 Hz (11 ms), 8.87Hz (113 ms) and 9.69 Hz (103 ms), respectively. When the human body electric shock current is 90 mA, the breaking time is set to be less than 48 ms while 75 mA current is flowing. The test result shows that the R-phase, S-phase, and T-phase were accurately cut off at 19.8 Hz (50.4 ms), 16.9 Hz (59.2 ms), and 17.9 Hz (56.0 ms), respectively. That is, the developed testing device satisfied all the requirements of the distribution board evaluation criteria, and it becomes available for the performance evaluation of the distribution board management system.

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  Cite this article

[IEEE Style]

고완수, 이병설, 최충석, "Manufacturing and Characteristics Analysis of a Testing Device for the Evaluation of a Distribution Board Management System," Journal of the Korean Society of Safety, vol. 34, no. 5, pp. 31-36, 2019. DOI: 10.14346/JKOSOS.2019.34.5.31.

[ACM Style]

고완수, 이병설, and 최충석. 2019. Manufacturing and Characteristics Analysis of a Testing Device for the Evaluation of a Distribution Board Management System. Journal of the Korean Society of Safety, 34, 5, (2019), 31-36. DOI: 10.14346/JKOSOS.2019.34.5.31.

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