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| Inductor testing frequency |
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| pete_dl:
Thank you for your detailed notes. So if my actuation frequency was not so low, the reactive power could be recycled into the class D amp. I need to drive multiple Piezoelectric actuators simultaneously. I am thinking I could recover half the energy by driving them in pairs. While one actuator is at Vmax, the other is at 0V. You PWM between them to get a sinusoidal change in voltage until both actuators are at Vmax/2, then push the pair to the whole voltage swing using the power supply. Could that work ? Pete. |
| T3sl4co1l:
You can connect them in parallel, and bias one differently from the other, sure. That doesn't automatically recover power, power is only about the change. Tim |
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