neutral displacement/residual overvoltage

Neutral displacement/residual overvoltage. (P341/P22G). Three stages of measured residual overvoltage (or neutral voltage displacement) protection are ...
[email protected]/.../P341-922g_2024en.pdf" rel="nofollow noopener" target="_blank">ftp://tdeftp_public:[email protected]/.../P341-...

http://www.eudict.com/?word=overvoltage&go=Search&lang=engcr...
overvoltage - prenapon

http://www.eudict.com/?word=displacement&go=Search&lang=engc...
displacenent – pomak

residual overvoltage relay - relej za zaštitu od rezidualnog prenapona

-fazni vodic-crna ili smeđa -nulti vodic-plava -zaštitni vodic-zuto/zelena -vodič plave boje izolacije upotrebljava se za neutralni i fazni vodič u vodovima ...
www.tehnicka-skola-karlovac.hr/.../6_1elektricni_vodovi.php

what is phase and neutral.
Generally the neutral is mostly used for protection purpose and in the case of single phase and neutral connection, the neutral is used for return path. ...
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It is this rise that is detected by a neutral voltage displacement relay. If the network is quite small (i.e. short cables), then the zero-sequence voltage ...
www.ceerelays.co.uk/RelayFAQs/NVD.htm

Unbalance in loads on three phases cause shifting of neutral from earth potential. Neutral displacement is applicable for transformers with ‘Star Point’ solidly grounded. Under “solidly” grounded conditions, the potential of neutral should be equal to earth i.e. zero. But in actual conditions, the earthing of the star point is imperfect and so the star to ground offers small resistance. This results in flow of negative sequence currents…
http://www.ercap.org/Regulations/Drafts/DR_Reg_TransmissionL...