How artificial intelligence can increase the efficiency of photovoltaic systems – Image: Xpert.Digital
Efficient energy: Using AI technology to create better photovoltaic systems
Artificial intelligence (AI) is playing an increasingly important role in increasing the efficiency of photovoltaic systems. By using AI technologies, various aspects of the operation and maintenance of solar systems can be optimized, resulting in higher energy production and cost efficiency.
Data analysis and pattern recognition
A key advantage of AI in photovoltaic systems is the ability to analyze large amounts of data. AI systems can analyze weather forecasts, historical yield data and real-time monitoring to calculate the optimal operating mode of a solar system. This makes it possible to adjust the tilt of the solar panels or change their orientation to achieve the maximum yield.
AI can also recognize patterns that human operators may miss. This includes detecting shading through image processing algorithms that can adjust the orientation of solar panels accordingly to maximize performance.
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Forecast accuracy
The integration of AI and big data has significantly improved forecast accuracy. Advanced algorithms analyze meteorological data and historical energy yields to make precise energy production predictions. These forecasts enable more precise planning and control of energy flows, which takes the optimization of photovoltaic systems to a new level.
Self-optimization and predictive maintenance
A notable feature of AI is its ability to self-optimize. Intelligent algorithms learn from past performance data and make adjustments in real time. The system continuously adapts to changes in the environment, such as weather conditions and system status. This leads to a sustained improvement in energy production.
Additionally, AI enables predictive maintenance by continuously monitoring asset performance. Anomalies can be detected early, allowing operators to take timely action before costly outages occur. This not only saves money, but also extends the life of the systems.
Efficient energy management
AI-based energy management systems not only optimize the storage but also the consumption of solar power. The AI analyzes energy prices and consumption patterns and then decides when it makes sense to use the previously stored electricity or feed it directly into the grid. This contributes to both cost efficiency and network stability.
Innovative technologies and applications
Combining AI with other innovative technologies such as trackers can further increase the efficiency of solar parks. These technologies enable more precise tracking of the solar modules according to the position of the sun, thereby maximizing yield. Projects like the “ Solar Park 2.0 ” at the Karlsruhe Institute of Technology are intensively researching these approaches.
Another example is the Austrian start-up raicoon's pilot project with Amazon, which shows how autonomous, AI-controlled operations management can increase solar output by up to 15 percent. This fully automated operational management detects anomalies at an early stage and corrects them before expensive damage occurs.
Progressive integration
The future of photovoltaics lies in the intelligent use of AI and big data. Through precise data analysis, improved forecasts and the ability to self-optimize, the efficiency and performance of solar energy systems is raised to previously unattainable levels. The progressive integration of these technologies promises a sustainable and cost-efficient future for private and commercial customers.
Artificial intelligence offers enormous potential for increasing the efficiency of photovoltaic systems by optimizing energy production, predictive maintenance and efficient energy management. These developments are crucial for the success of the energy transition and make a significant contribution to sustainable energy supply.
How MPP tracking optimization through AI works
Maximum Power Point Tracking (MPP tracking) is a process that is used in photovoltaic systems to obtain the maximum power from the solar modules. The MPP is the point on the current-voltage curve of a solar module where the highest power is generated. Since this point depends on factors such as sunlight and temperature, it is constantly changing.
How MPP tracking works
Adjustment of operating parameters
An MPP tracker continuously monitors the voltage and current of the solar panels and adjusts the operating parameters to always operate close to the current MPP.
DC-DC converter
The MPP tracker consists of a DC-DC converter and a microcontroller. The converter adjusts the load resistance to keep the voltage constant to achieve maximum performance.
Adaptive control
The microcontroller continuously measures the current and voltage to find the MPP and dynamically adapt the system to changing conditions.
MPP tracking methods – Perturb and Observe (P&O)
This procedure gradually changes the voltage and observes whether performance improves. When power is increased, the voltage is further adjusted in the same direction, otherwise the direction is reversed.
Incremental conductance
Here the increase in power is analyzed in relation to the change in voltage. The MPP is achieved when the derivative of the power with respect to the voltage is zero.
Stress ratio method
The voltage is maintained at a fixed percentage of the open circuit voltage. This simple procedure is suitable for less complex systems.
MPP tracking is crucial to the efficiency of photovoltaic systems as it ensures that the modules can always operate at maximum performance, which is particularly important in changing environmental conditions.
MPP tracking optimization through artificial intelligence (AI) improves the efficiency of photovoltaic systems by determining and adjusting the maximum power point (MPP) more precisely and quickly. Here are the key aspects of how AI is used in this area:
How MPP tracking works
The MPP is the point on the current-voltage curve of a solar module where the maximum power is generated. Because this point is constantly shifting due to changes in solar radiation, temperature, and other environmental conditions, MPP tracking must be performed continuously. Traditional MPP trackers use algorithms such as Perturb and Observe or Incremental Conductance to find the sweet spot.
Use of AI in MPP tracking
Precise adjustment
AI-based systems use algorithms such as neural networks or fuzzy logic to more accurately determine the MPP under complex and highly fluctuating conditions. These methods can respond better to rapid changes than traditional algorithms.
Data analysis
AI can analyze large amounts of data to recognize patterns and make predictions about the optimal operating point. This enables dynamic adaptation to changing conditions such as shading or pollution.
Performance forecasts
By integrating sensor data and weather forecasts, AI can predict the future performance of the solar system and optimize operations accordingly.
Benefits of AI-based MPP optimization
Increased efficiency
By determining the MPP more precisely, the energy yield can be maximized, which is particularly advantageous for large systems with varying conditions.
Reduced losses
AI helps minimize losses from local maxima by identifying global maxima and integrating shadow management.
Overall, integrating AI into MPP tracking helps increase the efficiency and reliability of photovoltaic systems, which is crucial for sustainable energy supply.
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AI can help extend the lifespan of photovoltaic systems
Artificial intelligence (AI) can extend the lifespan of photovoltaic systems in various ways, particularly through optimization of operating strategies and predictive maintenance.
Optimized operating strategies
Individual customization
AI-supported models can depict the individual aging of components, such as inverters. These models use data from long-term tests and sensors to create digital twins of the devices. These twins help develop tailored operational strategies that adjust key parameters according to aging without compromising performance.
Predictive maintenance
Anomaly detection
AI-based systems continuously monitor the performance of the systems and detect anomalies at an early stage. This makes it possible to identify and resolve potential problems before they lead to major outages.
Predictive maintenance
By analyzing real-time data, AI can predict maintenance needs, minimizing downtime. This not only reduces operating costs, but also extends the service life of the systems.
Efficient energy management
Energy optimization
AI helps optimize the flow of energy within the plant by adapting operations to changing environmental conditions. This maximizes efficiency and helps extend service life.
Through these measures, AI makes a decisive contribution to improving the reliability and longevity of photovoltaic systems and thus increasing their economic profitability.
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