Resilience of Digital Protection Relay’s Power Supplies to Powerful Nanosecond Pulses

Vladimir Gurevich
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Vladimir Gurevich: Central Electric Laboratory, Israel Electric Corp.

International Journal of Research and Scientific Innovation, 2020, vol. 7, issue 6, 205-207

Abstract: This article suggests the results of attenuation measurements provided by various types of high-quality two-stage electromagnetic filters and offers the best two types. Test results are provided of digital protection relay (DPR) equipped with 316NN63 power supply sources fitted with one of the best filter types. It is also suggested that using these filters in combination with voltage suppressors connected before power supply of high-sensitivity equipment implemented in the power industry can significantly increase its noise-resistance.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:bjc:journl:v:7:y:2020:i:6:p:205-207

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