Txoj Cai Ua Haujlwm ntawm Resonant Circuit

Nov 20, 2025 Tso lus

Lub hauv paus ntsiab lus ua haujlwm ntawm lub resonant circuit yog dab tsi? Wuhan UHV tshwj xeeb hauv kev tsim khoomseries resonance, nrog ntau yam khoom xaiv thiab kev kuaj hluav taws xob. Nrhiavseries resonance, xaiv Wuhan UHV.

 

Resonant Test System


Qhov voltage waveform thaum resonance tshwm sim nyob rau hauv ib tug series Circuit Court. Thaum lub zog hluav taws xob square nthwv dej tau siv rau hauv LC series Circuit Court, ob qho tib si pem hauv ntej thiab nram qab ntug ntawm lub square nthwv dej yuav ua rau lub LC series Circuit Court (piv txwv li tau txais lub zog), thiab tom qab txhua qhov excitation, damping oscillation (xws li lub zog poob) yuav tshwm sim. Thaum tus nqi nce dv / dt tus nqi ntawm qhov input voltage waveform ntau dua li qhov nce ntawm qhov resonant circuit waveform (sine yoj), lub Circuit Court yuav ua kom muaj zog; Thaum qhov nce tus nqi dv / dt tus nqi ntawm qhov input voltage waveform tsawg dua li qhov nce ntawm qhov resonant circuit waveform, Circuit Court yuav tsim damping.


Vim tias lub zog ntawm oscillation Circuit Court tsis tau noj tag nrho tom qab txhua qhov excitation, ib qho excitation tshiab yog siv rau superimpose oscillation voltage lub sij hawm thiab sij hawm dua. Yog hais tias cov theem ntawm qhov excitation tuaj yeem synchronized nrog rau theem ntawm oscillation waveform, lub amplitude ntawm oscillation voltage yuav nce mus txog rau thaum lub zog txaus siab yog sib npaug zos rau lub zog poob nyob rau hauv lub Circuit Court. Yog li ntawd, thaum qhov zoo tshaj plaws Q tus nqi ntawm lub resonant Circuit Court yog siab, lub resonant voltage kuj nce siab heev. Qhov zoo tshaj plaws, yog tias tus nqi Q yog infinitely siab (xws li tus kav hlau txais xov tsis muaj qhov poob), qhov amplitude ntawm resonant voltage kuj yuav nce siab infinitely, tab sis qhov teeb meem no tsis muaj nyob.


Qhov voltage amplitude thaum lub sij hawm resonance nyob rau hauv ib tug LC series Circuit Court yog ze ze rau lub theem ntawm excitation waveform, thaum nws tsis yog tshwj xeeb correlated nrog lub amplitude ntawm lub excitation waveform. Yog hais tias lub sij hawm los yog lub sij hawm ntawm voltage square waves tsis nruj me ntsis khaws cia sib npaug zos, lub waveform yuav muaj kev jitter loj heev, thiab lub amplitude ntawm resonant voltage kuj yuav txo qis heev. Yog li ntawd, qee txoj kev ntsuas tsis tuaj yeem ntsuas qhov ntsuas hluav taws xob hluav taws xob lub zog ntawm cov teeb liab cuam tshuam hauv qee qhov chaw.


Tsis tas li ntawd, nws yuav tsum tau taw qhia tias cov kav hlau txais xov tau siv rau kev sim kuj tau muab faib ua hluav taws xob induction hlau, sib nqus teb induction antennas, thiab electromagnetic field induction antennas.


Peb tsuas yog txheeb xyuas lub hauv paus ntsiab lus ntawm kev cuam tshuam cov teeb liab tau txais kav hlau txais xov. Hauv kev siv tswv yim, tus kav hlau txais xov tsis tshwj xeeb qhov txawv ntawm cov kav hlau txais xov thiab cov kav hlau txais xov xa xov, thiab ob qho tib si siv tau tib lub kav hlau txais xov. Yog li ntawd, txhua tus neeg xyuas pib lossis tus neeg xyuas pib uas tam sim no ntws hauv Circuit Court tuaj yeem suav tau tias yog lub kav hlau txais xov xa xov.


Qhov loj ntawm hluav taws xob cuam tshuam tsim los ntawm cov khoom siv hluav taws xob tsis yog tsuas yog cuam tshuam nrog lub amplitude ntawm lub teeb liab cuam tshuam, tab sis kuj rau qhov loj ntawm induction capacitors C1 thiab C2, uas yog, nws muaj feem xyuam rau thaj tsam ntawm hluav taws xob hluav taws xob hluav taws xob (capacitance yog proportional rau cheeb tsam) thiab cheeb tsam ntawm magnetic teb hluav taws xob. Yog li ntawd, txo qhov hluav taws xob hauv cheeb tsam ntawm cov teeb liab cuam tshuam yog ib txoj hauv kev zoo los txo cov hluav taws xob cuam tshuam, uas yog lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm resonant circuits.

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