publication . Other literature type . Article . 2018

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

Yue Zhu; Jiande Wu; Ruichi Wang; Zhengyu Lin; Xiangning He;
Open Access
  • Published: 24 May 2018
  • Publisher: Zenodo
  • Country: United Kingdom
Abstract
In Photovoltaic (PV) system, dc-dc power op-timizer (DCPO) is an option to maximize output power. At the same time, data links among DCPOs are often required for system monitoring and controlling. This paper pro-poses a novel power line communication (PLC) method for the DCPOs, in which the data of a DCPO is modulated into the control loop of power converter, and then transmitted through the series-connected dc power line to other DCPOs. In the process of communication, differential phase shift keying (DPSK) modulation and discrete Fourier transformation (DFT) demodulation are employed. To ana-lyze the quality of communication, the communication model of the sys...
Subjects
free text keywords: Photovoltaic (PV) system, Power line communication, DC power optimizer, Control and Systems Engineering, Electrical and Electronic Engineering, Demodulation, Power control, Additive white Gaussian noise, symbols.namesake, symbols, Maximum power point tracking, Modulation, Engineering, business.industry, business, Power-line communication, Control theory, Power optimizer, Control system
Related Organizations
Funded by
EC| RDC2MT
Project
RDC2MT
Research, Demonstration, and Commercialisation of DC Microgrid Technologies
  • Funder: European Commission (EC)
  • Project Code: 734796
  • Funding stream: H2020 | MSCA-RISE
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