Study on Transmission Characteristics of LCL-S Two-Receiver Wireless Power Transfer System
With the development of wireless power transfer(WPT)applications,multi-receiver WPT systems has ac-quired wide attention owing to its ability of simultaneously providing power for multiple receivers by one transmitter.The present work studied the power distribution of LCL-S multi-receiver WPT system.It analyzed the transmission character-istics of two-receiver WPT system of LCL-S resonant compensation circuit,and proposed a dual-PI power control to real-ize constant control of transmitting source.Moreover,the phase shift control was used to adjust output power of each re-ceiver,thereby achieving power distribution according to the preset proportion.Simulative experiments verified the feasi-bility and effectiveness of the proposed method in providing constant power output and allocating power among various re-ceivers with the preset proportion.
wireless power transferconstant power controlcontrolled rectifierphase shift controldistribution of power
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