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Visokofrekvenčno indukcijsko segrevanje s tehnologijo vakuumskih elektronk
KAPLAN, BLAŽ (Author), Jankovec, Marko (Mentor) More about this mentor... This link opens in a new window

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Abstract
V diplomski nalogi je predstavljeno visokofrekvenčno indukcijsko segrevanje, ki temelji na tehnologiji z uporabo vakuumske elektronke - triode. Pri izdelavi realnih naprav za take aplikacije, se srečujemo s težavami kot so nepravilno ali nepopolno delovanje ob zagonu, kar privede do posledičnega povečanja stroškov izdelave. Rešitev za preverjanje delovanja naprave, preden je ta dejansko sestavljena, je simulacija ključnega dela take naprave – oscilatorja. V delu, se tega lotimo s simulacijo SPICE. Za pravilno delovanje je potrebno pridobiti pravilne modele sestavnih elementov oscilatorja, predvsem model SPICE vakuumske triode. Pravilnost simulacije oscilatorja primerjamo z meritvami ekvivalentne realne naprave, iz te nato izpeljemo zaključke. Vsebina diplomske naloge je zasnovana tako, da so v drugem poglavju splošno predstavljeni indukcijsko segrevanje, aplikacije in pojme povezane s tem področjem. V tretjem poglavju se osredotočimo na visokofrekvenčno indukcijsko segrevanje in njegove posebnosti. Četrto poglavje razčleni zgradbo naprave za visokofrekvenčno indukcijsko segrevanje, ki pokaže, katere so pomembne lastnosti pri izgradnji naprave. Simulacija naprave je opisana v petem poglavju. V njem se nahaja tudi model SPICE, triode uporabljene v napravi in meritve elementov simulacije. V šestem poglavju so meritve realne naprave, v zadnjem poglavju pa zaključek diplomske naloge.

Language:Slovenian
Keywords:Indukcijsko segrevanje, visoko frekvenčno indukcijsko segrevanje, vakuumska trioda, model SPICE vakuumske triode, SPICE simulacija oscilatorja.
Work type:Undergraduate thesis (m5)
Organization:FE - Faculty of Electrical Engineering
Year:2016
Views:441
Downloads:436
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Secondary language

Language:English
Title:High-frequency induction heating with vacuum tube technology
Abstract:
This thesis address high frequency induction heating, which uses vacuum tube - triode as base for its operation. When manufacturing real devices for this kind of operation, we encounter problems with incorrect operation at initial commissioning. Solution for verification of its design, before it is actually fully assembled is simulation of key component in this device - oscillator. In thesis we try to achieve this with SPICE simulation. For simulation it is necessary to include good elements models of oscillator, especially vacuum triode model. Verification of simulated oscillator is made by comparing it with equivalent real device, from which we can obtain conclusions. Content of thesis is designed in a way that in second chapter we acquaint ourselves with general induction heating properties and applications in industries. In third chapter we focus only on area of high frequency induction heating with its characteristics. Fourth chapter breaks down main components of device for high frequency induction heating. Here we look into properties of the device key building blocks. Simulation is done in fifth chapter and includes SPICE model for vacuum triode used in this device and measurement of missing components parameters for modeling in SPICE. In chapter six are measurements of real device and in last two chapters results with conclusions.

Keywords:Induction heating, high frequency induction heating, vacuum triode, vacuum triode SPICE model, oscillator SPICE model.

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