A combined directional and faulted phase selector element based on incremental quantities
In this paper, differential incremental or superimposed voltage and current quantities are used in order to determine directionality of a fault in a network. It is shown that this can be accomplished by performing three scalar products between three voltage and current phasor pairs. The relative lev...
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Veröffentlicht in: | IEEE transactions on power delivery 2001-10, Vol.16 (4), p.478-484 |
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description | In this paper, differential incremental or superimposed voltage and current quantities are used in order to determine directionality of a fault in a network. It is shown that this can be accomplished by performing three scalar products between three voltage and current phasor pairs. The relative levels of these same three scalar products can be furthermore used to identify the faulted phases. While, in ultra-high-speed directional comparison relays, superimposed voltage and current had to be treated in the time domain in order to get speed. In this paper, all computations are done in the frequency domain. |
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In this paper, all computations are done in the frequency domain.</description><subject>Differential equations</subject><subject>Electric potential</subject><subject>Fault diagnosis</subject><subject>Faults</subject><subject>Frequency domain analysis</subject><subject>Frequency domains</subject><subject>Helium</subject><subject>Impedance</subject><subject>Laboratories</subject><subject>Networks</subject><subject>Phasors</subject><subject>Protection</subject><subject>Protective relaying</subject><subject>Relays</subject><subject>Scalars</subject><subject>Selectors</subject><subject>Voltage</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0TtPwzAQB3ALgUQpDKxMFgOIIcV2_ByripdUiQUGpshxLsJVHq2dDHx7XIIYGGA66X8_n6w7hM4pWVBKzK2kCyOkYuIAzajJVcYZ0YdoRrQWmTZKHaOTGDeEEE4MmaG3JXZ9W_oOKlz5AG7wfWcbbLsK13ZshpRv320EHKFJ3T7gVFvoBlymtMJ9h33nwleU3u1G2w1-8BBP0VFtmwhn33WOXu_vXlaP2fr54Wm1XGcul2rIGKF5biwzVQlccilACwVGltwCBS4YhZpLaWwFVgAoSUUpQCntuKGlc_kcXU9zt6HfjRCHovXRQdPYDvoxFoamsZxxkeTVn5JpRhiV9H8opSRS5Ale_oKbfgxpf7HQOv06V3KPbibkQh9jgLrYBt_a8FFQUuyPVkhaTEdL9mKyHgB-3HfzE9fAkQk</recordid><startdate>20011001</startdate><enddate>20011001</enddate><creator>Benmouyal, G.</creator><creator>Mahseredjian, J.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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source | IEEE Electronic Library (IEL) |
subjects | Differential equations Electric potential Fault diagnosis Faults Frequency domain analysis Frequency domains Helium Impedance Laboratories Networks Phasors Protection Protective relaying Relays Scalars Selectors Voltage |
title | A combined directional and faulted phase selector element based on incremental quantities |
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