ESTIMATING PICKUP OUTPUT VOLTAGE BY VOLTAGE ACROSS THE PRIMARY CONDUCTIVE PATH

摘要

Disclosed is a method for controlling the output voltage of a pickup in an inductive power transfer (IPT) system without any additional form of communications or feedback from the pickup to the power supply. The method comprising the steps of deriving an estimate of the output voltage of the pickup from the voltage across the primary conductive path, and adjusting the current in the primary conductive path so that the estimated pick-up output voltage matches a required pick-up output voltage