The precise measurement of the on-state voltage of power devices working in real operating conditions is the key for their characterization as well as health monitoring. This letter proposes a new on-state voltage measurement circuit featuring very high bandwidth and accuracy. An auxiliary circuitry allows to decouple the measurement system reference potential from the noisy device-under-test environment. DC, AC, and dynamic performance have been validated from measurements on a prototype.
A Fast On-state Voltage Measurement Circuit for Power Devices Characterization
Rossetto L.;Spiazzi G.
2021
Abstract
The precise measurement of the on-state voltage of power devices working in real operating conditions is the key for their characterization as well as health monitoring. This letter proposes a new on-state voltage measurement circuit featuring very high bandwidth and accuracy. An auxiliary circuitry allows to decouple the measurement system reference potential from the noisy device-under-test environment. DC, AC, and dynamic performance have been validated from measurements on a prototype.
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