Utjecaj skin efekta na povećanje otpora vodiča

undergraduate thesis

• Title (english): Skin effect impact on increase in conductor resistance
• Author: Armano Podgornik
• Mentor: Ivica Pavić (mentor)
• Committee member: Ivica Pavić (predsjednik povjerenstva)
• Committee member: Frano Tomašević (član povjerenstva)
• Committee member: Goran Grdenić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2015-09-01, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering

Abstract

Povećanje gustoće izmjenične električne struje na dijelovima vodiča bližim površini poznato je pod nazivom skin efekt. Uslijed toga dolazi do povećanja otpora vodiča u odnosu na otpor vodiča kojim protječe istosmjerna struja. Omjer gustoće izmjenične struje na površini i unutrašnjosti vodiča ovisan je o polumjeru vodiča, frekvenciji izmjenične struje, te permeabilnosti i vodljivosti materijala. Izračunate su vrijednosti otpora za materijale koji se najčešće koriste za vodiče nadzemnih vodova, pri protjecanju istosmjerne i izmjenične struje.

Abstract (english)

Increase in the density of the alternating electric current on the parts of the conductor closer to the surface is known as skin effect. Due to skin effect, there is an increase in the resistance of conductors comparing to resistance of conductors in which direct current is flowing. The ratio of the density of alternating current on the surface and the interior of the conductor depends on the radius of the conductor, the AC power frequency, and permeability and conductivity of the material. Values of resistance are calculated for the materials that are commonly used for conductors of overhead power lines, at the direct and alternate current flow.

• Keywords: djelatni otpor; skin efekt; izmjenična struja; blizinski efekt; faktor skin efekta; dubina prodiranja
• Keywords (english): operating resistance; skin effect; alternate current; proximity effect; skin effect factor; skin depth
• Language: croatian
• URN:NBN: urn:nbn:hr:168:815534
• Study programme: Title: Electrical Engineering and Information Technology; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike i informacijske tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2018-02-06 11:21:06