Abstract
This article presents the development of a platform for real-time monitoring of multi-microgrids. A small-scale platform has been developed and implemented as a prototype, which takes data from various types of devices located at a distance from each other. The monitoring platform is interoperable, as it allows several protocols to coexist. While the developed prototype is tested on small-scale distributed energy resources (DERs), it is done in a way to extend the concept for monitoring several microgrids in real scales. Monitoring strategies were developed for DERs by making a customized two-way communication channel between the microgrids and the monitoring center using a long-range bridged wireless local area network (WLAN). In addition, an informative and easy-to-use software dashboard was developed. The dashboard shows real-time information and measurements from the DERs—providing the user with a holistic view of the status of the DERs. The proposed system is scalable, modular, facilitates the interoperability of various types of inverters, and communicates data over a secure communication channel. All these features along with its relatively low cost make the developed real-time monitoring platform very useful for online monitoring of smart microgrids.
Highlights
Renewable Energy Systems (RES) may be installed in a power grid in two forms
The second form is a decentralized, relatively small-size system that is connected to the distribution power network
This paper presents an implementation of integrated distributed energy systems with the power grid using inverter-based distributed renewable energy resources (DERs)
Summary
Renewable Energy Systems (RES) may be installed in a power grid in two forms. The first form is a centralized, large-size system, which is usually directly connected to the high-voltage grid. Many types of monitoring technologies have been integrated with smart grid applications to provide real-time data for prosumers and power generation companies. Electronics 2021, 10, 1803 outputs within a few seconds, which requires drastically different systems to monitor and log such changes Another approach for smart grid monitoring is the use of Data Acquisition Units (DAQ). Several systems have been proposed to integrate many technologies for monitoring the performance of smart grids [28,29,30] Most of these systems are based on using a common communication protocol to collect data from all products into a centralized node or cloud servers. Since this inverter does not support any common communication protocol, it was necessary ttoo uusseessmmaarrttmmeetteerrss((WWaattttNNoode WWNNCC-3Y-400-MB) to mmeasuree tthhee pprroodduucceedd ppoowweerr,,wwhhiicchhiissffeeddttootthheeggrriidd
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