Ellära för intresserade - SyntaxSociety

Bryggkopplingar omnämns, men det
kommer mer senare...................................43
Oscilloskopet...................................................44
Grundidéen vs. Moderna............................44
tid / svep.....................................................45
Synkronisering /Trigpuls............................45
Spänning / amplitud...................................45
Impedans / anpassning...............................45
x och y........................................................45
Mätproben.................................................45
Jordning................................................45
Kapacitans.............................................45
Impedans/kabel.....................................45
Jordning.....................................................45
Potentialproblem...................................45
Fara.......................................................45
Matte 5 - Enkel geometri.....................................47
Trianglar.........................................................47
180 grader.................................................47
3-4-5-triangeln...........................................47
30-60-90.....................................................47
Halv liksidig triangel..................................47
Pythagoras sats...............................................48
Pythagora...................................................48
Kvadrater........................................................49
Halv kvadrat...............................................49
Cirklar.............................................................49
Pi................................................................49
Omkrets.....................................................49
Radie..........................................................49
Diameter....................................................49
Övrigt.........................................................49
Del 4 – Växelström...............................................51
Fler begrepp..............................................51
Topp- och bottenvärde................................51
Effektivvärde..............................................51
RMS...........................................................51
Impedans:
http://sv.wikipedia.org/wiki/Impedans........51
Reaktans (induktiv och kapacitiv)..............51
Mer om transformatorer som induktiv last
(mer om magnetism)..................................51
Kondensatorpaket som kompensation (lysrör,
motorer).....................................................51
Fasvridning................................................51
Matte 6 – Enhetscirkeln.......................................53
Trigonometri..............................................53
Ortogonal (vinkelrät)..................................53
Vinklar (grader, radianer)..........................53
Enhetscirkeln.............................................53
Sinus/cosinus.............................................54
Rektangulär och polär form.......................54
Vektorer (skalärer).....................................54
Växelströmmen fortsätter....................................55
Faskompensering.......................................55
3-fas...........................................................55
Matte 7 - Komplexa tal.........................................57
Realdel, imaginärdel..................................57
argument....................................................57
J-omega-metoden.......................................57
Komponenters egenskaper..............................59
Kapacitans.................................................59
Strökapacitans...........................................59
iv
Ellära för intresserade
Kondensatorer............................................59
Polariserade...............................................59
Dielektrikum..............................................59
Induktans...................................................59
Elmotorer...................................................59
Spolar/drosslar...........................................59
Q-värde......................................................59
Kärnor........................................................59
Filter..........................................................59
Växelströmseffekt.......................................59
Ström och spänning ur fas.........................59
Effektutveckling och dimensionering.........59
Matte 8 - Derivator och integraler.......................61
|Absolutbelopp| - reella tal.........................61
Riktningskoefficienten (y=kx+m och ännu
bättre, enpunktsformeln)
http://sv.wikipedia.org/wiki/Riktningskoeffici
ent..............................................................61
Derivator (riktningskoefficient)..................61
Integraler (arean under grafen).................61
Transformatorer..............................................63
Ringkärna...................................................63
EI-kärna.....................................................63
Andra kärnor..............................................63
audio-applikationer....................................63
Transduktorer............................................63
Del 5 - Magnetism / Elektromagnetism................65
Induktion....................................................65
Mättning....................................................65
Eddy-strömmar..........................................65
Elmotorer (Fördjupas i motordokumentet).65
Reläer, kontaktorer....................................65
Solenoider..................................................65
Mer mätteknik................................................66
Dioder........................................................66
Visarhus.....................................................66
Vridspole....................................................66
Vridjärn......................................................66
Digitalt.......................................................66
Mätfel.........................................................66
Oscilloskopet...................................................66
Frekvens....................................................66
Amplitud.....................................................66
Filter..........................................................66
vikten av impedansanpassning...................66
Perspektivet (alla skop har samma
funktioner trots att rattarna ser annorlunda
ut)..............................................................66
Mätbryggor.....................................................66
Wheatstone................................................66
RCL............................................................66
Tretråds- och fyrtrådsgivare...........................66
Del 6 - Elektronik.................................................67
Transistorer....................................................67
Typer..........................................................67
Unipolära..............................................67
Bipolära.................................................67
Standardkopplingar...................................67
GE.........................................................67
GB.........................................................67
GC.........................................................67
Förspänning och arbetspunkt.....................68
Avkopplingskondensator............................68