Open AccessResearch on Distributed Power Quality Monitoring System of Large Centralized Charging Station
Author(s) -
Zhikai Liu,
Yang Zhang,
Wenyue Zheng,
Haihong Li,
Gang Wu
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/772/1/012025
Subject(s) - distributed power , power (physics) , key (lock) , scale (ratio) , smart grid , computer science , real time computing , grid , reliability engineering , electrical engineering , engineering , voltage , physics , geometry , computer security , mathematics , quantum mechanics
The power quality problems of large-scale centralized charging stations are prominent, affecting the operation of the station equipment and the power grid, and a simple and efficient distributed power quality monitoring system is required. Based on the analysis of large-scale centralized charging stations for distributed power quality monitoring system requirements, this paper studies the overall structure of the distributed monitoring system, and analyzes the functional requirements of each part of the monitoring system, and gives the voltage/current power quality Monitoring terminal functions and key device design; by comparing and analyzing the characteristics of various communication technologies, an optimal solution for the communication of the distributed monitoring system in the charging station is given. The proposed system provides a basis for real-time monitoring of multiple monitoring terminals in large-scale centralized charging stations, analysis and timely release of relevant power quality assessment information, and in-depth study of the power quality of various charging piles in the charging station and their mutual influence. At the same time, the formed “point-line-surface” charging station monitoring system can provide a data basis for smart operation and maintenance of charging stations.