2000w Ib Theem Tawm Grid Inverter

FT series: 2000w ib theem tawm ntawm daim phiaj inverter

Cov khoom tseem ceeb: Electromagnetism, classical electromagnetism, thiab quantum electrodynamics

Schematic animation ntawm kev hloov ntawm hluav taws xob teb vector nrog lub sij hawm nyob rau hauv ib ncig polarized electromagnetic hluav taws xob

Hluav taws xob thiab hlau nplaum muaj kev sib raug zoo. Ib qho hluav taws xob tam sim no tsim ib qho chaw sib nqus nyob ib puag ncig nws, ib qho tshwm sim tau piav qhia los ntawm Ampère txoj cai, txoj cai tseem ceeb ntawm magnetostatics. Qhia los ntawm Ampere nyob rau hauv 1826 thiab tom qab ntawd los ua lub hauv paus ntsiab lus ntawm magnetoencephalography, ib qho ultra-sensitive array ntawm superconducting quantum interferometers yog siv los ntsuas cov magnetic teb generated los ntawm hluav taws xob pulses nyob rau hauv lub hlwb. Ib tug neeg xyuas pib nyob rau hauv ib tug hloov magnetic flux yuav tsim ib tug electromotive quab yuam, ib tug phenomenon hu ua electromagnetic induction. Faraday's Law (1831) piav qhia txog qhov loj ntawm lub zog hluav taws xob, thaum Lenz Txoj Cai (1834) hais txog kev coj ntawm lub zog hluav taws xob lossis hluav taws xob tam sim no. Electromagnetic induction yog lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov khoom siv hluav taws xob xws li cov tshuab hluav taws xob, hloov pauv, thiab induction cookers (induction cua sov).

Classical electromagnetism yog raws li Maxwell qhov sib npaug thiab Lorentz quab yuam, thiab feem ntau kawm txog cov hluav taws xob hluav taws xob ntawm cov nqi hluav taws xob thiab cov dej tam sim no thiab lawv cov electromagnetic cuam tshuam nrog ib leeg. Electromagnetic force (Lorentz force) yog ib qho ntawm plaub lub zog tseem ceeb ntawm cov xwm txheej, thiab photons yog qhov nruab nrab los ntawm kev xa hluav taws xob hluav taws xob. Lub sij hawm sib txawv ntawm electromagnetic teb yuav tawm ntawm qhov chaw taw tes thiab nthuav tawm sab nraud nyob rau hauv daim ntawv ntawm nthwv dej, tsim electromagnetic nthwv dej, uas nws lub cev muaj zog tuaj yeem piav qhia meej los ntawm kev sib npaug electromagnetic yoj. Nyob rau hauv qhov chaw dawb, lub electromagnetic yoj yog transverse nthwv dej propagating ntawm qhov ceev ntawm lub teeb. Cov hluav taws xob thiab sib nqus teb ntawm electromagnetic yoj yog perpendicular rau ib leeg thiab perpendicular mus rau cov kev taw qhia ntawm propagation.

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