What question did this study set out to answer?

The aim is to enhance communication among photovoltaic optimizers by integrating power line communication into the control loop of power converters.

Embedding Power Line Communication in Photovoltaic Optimizer by Modulating Data in Power Control Loop

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Novel power line communication method improves data transmission in photovoltaic power optimizers, enhancing system control.

The aim is to enhance communication among photovoltaic optimizers by integrating power line communication into the control loop of power converters.
Proposed a new communication method using power line communication with modulation in the control loop of DCPOs.
Employed differential phase-shift keying modulation and discrete Fourier transformation for data transmission.
Constructed a communication model based on a small-signal model and analyzed system noise and signal-to-noise ratio.
Successfully established an experimental system with six DCPOs to validate the proposed communication method.
Achieved effective data transmission with improved signal-to-noise ratio measurements.
Experimental results confirmed the feasibility of embedding communication within the power control loop.

Zhu et al. (2018) studied this question.

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