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Smart energy and energy independence for a modern home

The current context of the energy market, marked by constantly rising prices and concerns about environmental impact, has led to an increase in interest in alternative energy solutions. Photovoltaic systems, especially those of the Micro-Grid type, offer a viable and efficient alternative for homes that want to ensure energy independence and reduce their carbon footprint.

System architecture and key components

The 10 kWp three-phase Micro-Grid photovoltaic system is composed of the following main components:

Bauer photovoltaic panels

These high-efficiency monocrystalline panels, manufactured in Germany, are recognized for their superior performance and exceptional durability. The advanced technology used in their production ensures optimal performance even in low light conditions, and their aesthetic design blends harmoniously into the architectural landscape. The number of panels used is determined by the nominal power of each panel (eg: 300W, 400W), the area available for installation and the energy needs of the home.

Inverters

•  MultiPlus 48/5000 Victron Energy - 3 products: These multifunctional inverters combine the functions of current conversion (DC-AC), battery charging and automatic switching between energy sources (solar, batteries, grid). Their flexibility and reliability are essential for the optimal functioning of the Micro-Grid. In addition, they allow the injection of surplus energy produced into the public grid.

  • Key features: Rated power of 5000 VA / 4200 W; High energy conversion efficiency; Advanced monitoring and control functions; Compatible with LifePO4 batteries; Ability to run in parallel to increase power.

• Fronius Symo Advanced 15.0-3-M: This intelligent three-phase inverter offers a wide range of monitoring and control functions, optimizing the performance of the PV system and ensuring seamless integration with the power grid. Thanks to advanced technology, this inverter maximizes energy production and ensures safe and efficient system operation.

  • Key features: Rated power of 15 kW; Maximum efficiency of 98.1% * Two MPPTs for optimal energy capture; Integrated monitoring and internet connectivity; Compact design and easy to install.

K2 Systems D-Dome mounting system

The K2 Systems D-Dome fixing system is an innovative solution for mounting photovoltaic panels on flat roofs. It offers quick and easy installation without the need to penetrate the roof and provides excellent wind and snow resistance. Its discreet and elegant design blends perfectly with the aesthetics of the roof.

Key features: Quick and easy installation, without affecting the integrity of the roof; Wind and snow resistance; Aesthetic and discreet design; Compatibility with a wide range of photovoltaic panels.

Batteries

• Ecosolaris LiFePO4 15kWp batteries - two products: These high-performance lithium-iron-phosphate batteries offer high storage capacity, long life and increased safety. They store excess solar energy, allowing it to be used at night or during sunless periods. Built-in smart technology optimizes performance and battery life.
  
  • Key features: [#$$#]LiFePO4 chemistry for increased safety and long life; High energy storage capacity; High discharge current; Intelligent Battery Management System (BMS); CAN bus communication for monitoring and control.

Monitoring system

The system includes an advanced monitoring solution that allows real-time visualization of PV system performance, including energy production, consumption and battery status. This intuitive and easy-to-use platform gives the owner complete control over his energy system.

Key features: Real-time monitoring of system performance; View historical data and generate reports; Remote control of the system; Alerts and notifications in case of problems; Integration with other energy management systems.

Operation of the Micro-Grid System

During the day, LONGi Solar photovoltaic panels capture solar energy and convert it into direct current. This current is then transformed into alternating current by inverters, being used to supply consumers in the home. Excess energy produced is stored in Victron Energy LiFePO4 batteries for later use at night or during periods of insufficient sunshine. If the production of solar energy exceeds the consumption and storage capacity of the batteries, the surplus is injected into the public grid, turning the owner into an active prosumer.

The monitoring system provides complete visibility into system performance, allowing the owner to track energy production, consumption and battery status. This intuitive platform allows optimizing consumption and identifying potential problems in a timely manner.

Technical and economic advantages

• Increased energy efficiency: LONGi Solar's high-efficiency photovoltaic panels and smart inverters maximize solar energy production and optimize consumption.
• Partial energy independence: The Micro-Grid system allows operation independent of the public grid, ensuring a reliable power source in case of interruptions.
• Reducing your carbon footprint: The use of solar energy reduces CO2 emissions and contributes to the protection of the environment.
• Financial savings: Generating your own electricity reduces the cost of your energy bills and generates income from selling surplus energy to the grid.
• Increased safety: The system includes multiple protection mechanisms to ensure safe and reliable operation.
• Durability: High-quality components and advanced technology guarantee a long system life.
• Increased control: The monitoring system allows the owner to have complete control over energy production and consumption.
• Flexibility: The Micro-Grid system adapts to the variable energy needs of the home.

The 10 kWp three-phase Micro-Grid photovoltaic system, with its high-performance components and advanced technology, is an ideal solution for residential homes that want to optimize their energy consumption, reduce their environmental impact and benefit from increased energy independence. Detailed technical analysis, rigorous design and professional implementation are essential to ensure optimal performance and a long system life.