Performance analysis of power swing blocking feature in ABB 670 series impedance relays
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Abstract
This paper presents test results of a distance protection's PSD power swing detection feature in ABB 670 series relays. A RED670 relay was tested, which is part of the hydroelectric set protection in Żarnowiec Pumped Storage Plant. The power swing blocking feature's performance was analysed on the basis of the results of object tests made with an Omicron digital tester. Also presented are simulation results that illustrate the PSD feature's response to power swings caused by a disturbance in the power system. It is also shown how a distance protection may react to the same fault, depending on its settings.
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References
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