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Measurement Distortion Mechanism and Differential Reconstruction Technology in High dv/dt Environments
In the power topology of photovoltaic inverters, voltage sensors face more severe common-mode stress environments than current sensors. When SiC/GaN devices switch at speeds of tens of kV/µs, the extremely high common-mode voltage change rate (dv/dt) generated between the power loop and the reference ground causes devastating interference to millivolt-level useful differential voltage signals through […]
