KEYWORDS: Telecommunications, Communication and information technologies, Data communications, Data acquisition, Transformers, Power consumption, Failure analysis, Buildings, Standards development, Power grids
The high-speed power line carrier (HPLC)+high-speed radio frequency (HRF) dual-mode communication technology can significantly improve the reliability and transmission efficiency of power communication systems. This paper first introduces the development status and application requirements of power communication technology. Then, five advantages of HPLC+HRF dual-mode communication technology are analyzed, including compatibility with existing HPLC technology, improvement of high frequency acquisition quality, enhancement of business carrying capacity, meeting minute level acquisition requirements and achieving accurate power outage reporting. Through pilot application, the high frequency acquisition capability, minute level acquisition capability and accurate power outage reporting capability of dual-mode communication technology were quantitatively verified. Finally, the application prospect of dual-mode communication technology in the new type power system in various fields is prospected.
KEYWORDS: Fusion energy, Clocks, Internet, Transformers, Power grids, Data fusion, Error analysis, Design and modelling, Solar energy, Computer architecture
At present, there are many kinds of devices in distribution network. The devices have similar functions but cannot share their data with each other, causing a waste of equipment resources and high costs for operation and maintenance. To solve the problems above, we proposed a terminal design scheme with hardware of high versatility, software in the form of application (app) and functions based on modularization design. We developed 10 basic function apps and 20 business function apps, including the data center. And we designed Smart Fusion Terminal with the functions of topology identification, load identification and distributed energy management. We conducted Smart Fusion Terminal’s pilot application in 14 provinces and conducted test on terminal’s evaluation function for meter clock accuracy. The results show that Smart Fusion Terminal can realize all the monitoring and acquisition functions of the original devices with the success rate higher than 99%. By adopting expansion module and corresponding function app, it can also meet the diversified requirements in different distribution networks. The application of Smart Fusion Terminal can improve the flexibility and scalability of terminal construction, reduce the investment cost of power grid equipment and improve on-site maintenance efficiency.
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