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Raziskave vplivov obratovanja SN omrežij ozemljenih preko upora, ki omejuje višino toka 3 I(O)R na 150 A, na okolico. Del 2 : ref. št. 1010/2 : pogodba št. EGS 89/90-2, EIMV 4818/89
Curk, Franc, 1922- ...
Študija obravnava problematiko trenzientnih prenapetosti, ki se pojavljajo pri enopolnih zemeljskih kratkih stikih v 20 kV omrežjih, ki so ozemljena čez nizkoohmski upor z omejitvijo delovne ...komponente toka e. k. s. na 150 A in pri katerih je kapacitivna komponenta e. k. s. podobnega velikostnega reda kot delovna. V študiji so prikazani in analizirani rezultati tokovnih in napetostnih razmer pri 17 simuliranih e. k. s. (kovinski in obločni) na 20 kV omrežju napajanjem iz RTP Ptuj 110/20 kV. Kot rezultat raziskav je postavljena ugotovitev, da v realnih SN omrežjih znižanje delovne komponente toka e. k. s. na nivo kapacitivnega toka omrežja ne vodi do prenapetosti, ki bi ogrozile opremo v prizadetem omrežju. Študija predstavlja nadaljevanje raziskav o tranientnih prenapetostih začetih v 20 kV omrežju Murske Sobote in pomeni potrditev takrat dobljenih rezultatov.
Type of material - treatise, study
Publication and manufacture - Ljubljana : Elektroinštitut Milan Vidmar, 1990
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