Regulated Power Transfer Using Self-Tuned Networks for Capacitive Wireless Systems

Abramov, Eli; Mindel, Alexander; Peretz, Mor Mordechai

doi:10.1109/apec.2019.8721887

Cited by 2 publications

(1 citation statement)

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“…The close loop control technique presented in previous research can be categorized by the location of controller as primary side control, secondary side control, and dual side control. The dual side control technique is introduced in [23] where the full-bridge inverter in primary circuit is used to perform frequency tracking. The compensation circuits on both primary and secondary side are controlled to perform the impedance matching, which is done by using the additional controllable inductors.…”

Section: Introductionmentioning

confidence: 99%

Primary side control technique for capacitive power transfer system without any wireless feedback

Nutwong,

Hatchavanich,

Sangswang

et al. 2024

IJPEDS

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The output voltage of capacitive power transfer (CPT) system will change if the load resistance is varied. This paper presents a method to regulate the output voltage using a controller that is located on the primary side, known as the primary side control technique. It does not require any additional components and wireless feedback, which lowers the cost and complexity of CPT system compared to the conventional control technique. Instead of directly measuring the output voltage on secondary side, it is estimated through the measured capacitor voltage on primary side. Modified sine wave control of the full-bridge inverter is adopted to regulate the output voltage. The proposed control technique is validated by the simulation via PSIM software using the practical parameters of capacitive coupler presented in the literature. Simulation results of the output voltage control against the step change in desired output voltage and load resistance indicate the performance of proposed control technique.

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Section: Introductionmentioning

confidence: 99%