Abstract
In order to keep power transmission lines inspection robot to perform continuous inspection work on transmission lines, a power supply system with induction charging unit for the inspection robot is introduced in this paper. Special current transformer is designed to induct power for the robot from the power transmission lines. The charging circuit for Li-ion battery pack is then presented, and a two-stage strategy method is applied in the circuit to provide precisely accessible input power for charging battery packs. Experimental results have been obtained validating the viability of this kind of power supply system.KeywordsField robotpower supply systeminduction chargingbattery management
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