Piezoelectric Vibration Energy Harvesting by Sajid Rafique

Author:Sajid Rafique
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

For a purely resistive load and no mechanical damping , the voltage FRF is infinite at resonance only for open-circuit condition (this can be seen from substituting Eq. (4.70) into Eqs. (4.68, 4.69)).

For a purely capacitive load and no mechanical damping , the voltage FRF is infinite at resonance for all load conditions other than short circuit. This can be seen by setting in Eq. (4.64) and observing that the resonances occur at

(4.71)

The same statements (pertaining to no mechanical damping ) also apply for the transmissibility, except that this would also be infinite at pure short circuit.

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