5 kW Three-Phase Solar Inverter SMA Sunny Tripower CORE1

The three-phase solar inverter SMA Sunny Tripower CORE1 (model STP50-41) is an advanced solution for high-performance commercial photovoltaic installations. With a nominal power of 50 kW, it is designed to maximise the efficiency of grid-connected solar systems, allowing for stable and secure three-phase injection. This inverter revolutionises the market as the first string inverter with freestanding installation, facilitating its setup on rooftops, open spaces, and even covered parking areas.

The innovative design of the Sunny Tripower CORE1 saves time and costs, from logistics and installation to maintenance. SMA engineers developed this model with the aim of increasing installation speed, optimising performance, and reducing the total cost of ownership. Additionally, it includes advanced technologies such as arc fault circuit interruption (AFCI), ensuring system safety against electrical risks.

This inverter has a maximum input power for the photovoltaic generator of 75,000 Wp, with a maximum input voltage of 1000 V. Its maximum power point tracking (MPP) voltage range varies between 500 V and 800 V, allowing for efficient use of generated energy. It features 6 independent inputs for MPPT trackers, optimising energy production even in partial shading or variable irradiation conditions.

Regarding output, the SMA Sunny Tripower CORE1 offers an assigned power of 50,000 W and a maximum apparent power of 50,000 VA. Its output voltage range adjusts between 202 V and 305 V, with compatibility for different grid configurations, including 220/380 V, 230/400 V, and 240/415 V. Additionally, it has an adjustable power factor ranging from 0 inductive to 0 capacitive, providing great flexibility in installation operation.

The performance of this inverter is exceptional, with a maximum efficiency of 98.1% and a European efficiency of 97.8%. These figures ensure optimal utilisation of generated energy, significantly reducing losses and maximising return on investment.

Key Technical Specifications:

• Maximum photovoltaic generator power: 75,000 Wp.
• Maximum input voltage: 1000 V.
• MPP inputs: 6 inputs with 2 strings per MPPT, optimising production under different conditions.
• Nominal output power: 50,000 W at 50 Hz.
• Maximum output current: 72.5 A.
• Power factor: Adjustable from 0 inductive to 0 capacitive.
• Arc fault circuit interruption (AFCI): Integrated for enhanced safety.
• Transformerless topology: With OptiCool cooling for efficient and quiet operation.

The Sunny Tripower CORE1 also offers a wide range of protection devices, such as input disconnection, grid monitoring and isolation, as well as protection against DC reverse polarity and AC short circuits. Additionally, it features an I-V curve diagnostic function, allowing detailed monitoring of photovoltaic system performance.

This inverter is designed to withstand adverse environmental conditions, with an IP65 protection rating making it suitable for both indoor and outdoor installations. Its operating temperature range is wide, from -25°C to +60°C, and its sound emission is below 65 dB(A), making it an ideal choice for environments where noise can be a significant factor.

Other Notable Features:

• Connectivity: Includes Ethernet, WLAN, and RS485 interfaces, along with compatibility with Modbus and Webconnect standards for efficient remote monitoring.
• Advanced shade management: Through SMA ShadeFix technology, which maximises production under shading conditions.
• Isolated network compatibility: Allows use in hybrid systems thanks to its compatibility with the SMA Fuel Save Controller.
• Installation: Easy and quick, with support for ground mounting without the need for complex structures.
• Warranties: Offered in versions of 5, 10, 15, and up to 20 years.

With compact dimensions of 569 x 733 x 621 mm and a weight of 84 kg, the Sunny Tripower CORE1 is a robust and efficient option for large photovoltaic installations. Its freestanding design not only facilitates installation but also reduces the need for costly additional supports.

The SMA Sunny Tripower CORE1 perfectly meets the demands of commercial installations, offering a unique combination of performance, flexibility, and reliability, ensuring efficient and safe operation for self-consumption or grid injection applications.