Why is it possible

182

03:04:38

why is this situation possible?  why the current is increasing?

published 10 years ago

lmccoig

10 years ago

Capacitor being charged by AC is like DC battery adding power into coil would be what I noticed.

hurz

10 years ago

Because in resonance the complex resistance of cap and coil eliminate each other to zero!

abobaker

10 years ago

Well it does not keep increasing if you wait long enough till the current reaches max. Of 4.63kA it will start decreasing again .. It will not decrease again however if the frequency was 11.25395 Hz which is the resonance frequency it'll be infinite current .. You can search google for resonance

hurz

10 years ago

Ringing will also happened at exact resonance frequency here in simulator, cuz the sine wave starts from nothing to maximum and produce harmonics. A window function could limit this effect. But who cares about this detail....

mattstrom

10 years ago

The components are also modeled as ideal. Real components would behave differently: dielectric breakdown would occur in the capacitor when the voltage exceeds the dielectric strength of the capacitor and the magnetic permeability of the inductor core and resistivity of the wires would both be affected by temperature caused by current.

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