the violence is tamed into a pendulum
the violence is tamed into a pendulum
A standard switching converter is violent. It slams heavy currents and high voltages on and off instantly, creating square waves. But interrupting a massive flow of energy while it is at its peak causes sparks, heat, and switching losses. It is like slamming a door on a rushing river.
A resonant converter eliminates the violence by introducing a pendulum.
By placing an inductor and a capacitor together, it creates an LC resonant tank—a circuit that naturally wants to oscillate back and forth like a swinging weight, turning the harsh square wave into a smooth sine wave.
Because the energy now swings in a predictable arc, the controller can wait for the exact moment when the voltage or current naturally crosses zero before opening or closing the switches. The door is only opened when the river is perfectly still. Zero-voltage switching. Zero-current switching. The violence is replaced by rhythm.