Advanced System Monitoring & Analytics for Smart Grids
Discover Real time edge control and AI for tomorrows smart grid services
Advanced system monitoring and analytics solution enhanced with intelligent interoperable data-driven features for efficient big data real-time analysis, failure diagnosis, automated management, and integrated micro-grid control
Future grids will include a large share of distributed and fluctuating renewable energy sources. They will be digitally-enhanced to enable the necessary observability and control of underlying distributed energy resource (DER) assets. A significant challenge in the scope of decarbonizing the power sector and aligning with future energy needs is ensuring seamless DER integration such as solar PV and battery storage systems in electrical networks through advanced management and control systems.
Therefore, we are entering an era whereby the energy focus is to improve PV’s performance and accelerate its advancement with new developments that facilitate fully dispatchable generation with storage. An industrial requirement is created for advanced, robust, and cost-effective system monitoring and control, as highlighted by the Solar Europe Industry Initiative (SEII) for enabling the transition towards a renewable grid.
The objective is to increase the value and competence of wind, solar, and energy storage by developing a next-generation multi-service monitoring and control system that:
- Increases system efficiency,
- Decreases investment cost through optimal performance,
- Provides communicative smart grid control services.
The smart monitoring and cloud-based control system will be developed by integrating advanced data analysis algorithms in an edge computing solution with cloud-connectivity. Implementing intelligent, automated, and interoperable data-driven features allow for efficient real-time analysis of big data, predictive failure diagnosis, operational management, and integrated smart grid control. Such features will reduce the Levelized Cost of Electricity (LCoE) by increasing the lifetime output, improving operational efficiency, and optimizing system operations. Therefore, the system will significantly impact the technology’s value chain and serve as a transitional step towards fully dispatchable renewable energy generation.
The approach of the research project is to:
- Assess data aggregation and interoperability protocols
- Formulate protocols and guidelines for interoperable smart-grid controls
- Develop predictive O&M diagnosis failure algorithms and asset reliability models incorporated as software modules to the advanced system
- Optimize PV-plus-storage performance by developing peak performing replicas (digital twins)
- Demonstrate the optimal performance of digital twins and software-based flexible power plant controllers at smart grid frequencies
The smart monitoring and cloud-based control system will be integrated with next-generation O&M, breakthrough supervision services (e.g., cost-effective predictive O&M, performance loss & failure predictions, and reliability routines), and advanced grid-to-storage applications that operate on data acquired from a vast integral of equipment (i.e., storage & grid controls) and tools (i.e., weather forecasts, workflows, and asset alerts).
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The Main Project Activities
- Guidelines for the acquisition and analysis of renewable performance datasets
- HW and SW requirements for plant digitalization and energy flow management
- Accurate performance models for battery storage systems
- Software modules to forecast/diagnose failures and trend-based losses
- Reliability models for predicting equipment breakdowns
- nteroperable communication for integrated operation and data aggregation
- Cloud-based solution with enhanced energy management interoperability
- Digital twin and software-based controller with real-time frequency response on the edge
The activities of the research project are divided into eight work-packages (WPs)
Real-time edge computing
Scalable time-series data backend
API, Open protocols and interfaces
Low-cost IoT Solutions
Real-world use cases
Financial performance & Risk classification
Gain new insights on real time edge control and AI for tomorrows smart grid and asset services.
Microgrid setup at University Campus in Cyprus
- Commercial-scale microgrid real-time supervisory and control management dashboard
- Interoperable interfaces for real-time information flows for all underlying microgrid assets (building management systems, smart meters, storage and solar photovoltaic systems)
- Energy management system presenting in real-time (at 1Hz resolution) all main consumption/production and power quality parameters
Hardware and cloud backend setup at University of Cyprus Campus
- Full interoperability demonstration using Modbus TCP communication protocol
- Integrated assets include building management systems, smart meters, photovoltaic inverters, battery storage systems and weather stations
Digital twin approach for PV fault diagnostics and health-state monitoring.
Mechanistic Performance Model (MPM) for PV Arrays
- MPM assigns a meaningful normalized coefficient to expected performance behaviorto fit observed measurements with understandable loss coefficients
Mechanistic Performance Model part of Gantner’s Monitoring and control platform
Predictive performance of digital twin with errors < 3 % on MW-scale
- Digital twin predictive models leveraging both mechanistic and machine learning principles (Artificial Neural Networks and Extreme Gradient Boosting)
- Site-specific modelling with fully optimized hyper-parameter definition implementation stages
Unsupervised-Learning Methods for outlier classification at MW-scale & Microgrids
- Unsupervised machine learning regimes (e.g., k-Nearest Neighbors, Angle-based Outlier Detector ) applied to data in order to detect and classify outliers (faults)
Digital Twin modelling and replica
- Fully validated, robust and replicable models from small-scale to utility-scale PV power plant
PV system deviation modelling
- PV system degradation rate calculation, short and long-term including (RdTools)
- Performance loss rate modeling and detection of performance inflection points (long-term performance deviations)
- Data quality, processing and sanity verification modeling for solar photovoltaic analytics