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Merilnik za vrednotenje kolebanja napetosti : magistrsko delo
Korošec, Andrej, 1966-
Kakovost električne energije lahko opišemo z več parametri. Naprave, priključene na omrežje, vplivajo na omrežje; med drugim povzročajo kolebanje (nihanje) omrežne napetosti. Nihanje napetosti ...imenujemo niz sprememb ali stalno spreminjanje ovojnice napetosti. Žarnice na žarilno nitko so zelo občutljive na nihanje napetosti, kar se kaže kot spreminjanje svetlobnega toka žarnice s spreminjanjem ovojnice napajalne napetosti. Spremembe svetilnosti svetlobnega vira lahko izzovejo pri človeku neprijeten občutek, kar imenujemo fliker. Temelji na psihofizičnih parametrih človeškega vizualnega sistema, kjer ne veljajo linearne odvisnosti, kar je največja težava pri meritvah in vrednotenju flikerjev. Način merjenja flikerja je standardiziran in temelji na analogni izvedbi. V nalogi je predstavljen merilnik za kolebanja napetosti (flikmeter), ki je izveden deloma analogno, deloma digitalno.
Type of material - master's thesis
Publication and manufacture - Maribor : [A. Korošec], 1998
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