FIMER PVI-55.0/330.0 Series Manual

Overview of Solar Inverters: FIMER PVI-55.0/330.0 Series

Key Features

• Power Range: From 55 kW to 300 kW using modular 55 kW blocks.
• Efficiency: Up to 98% efficiency (for TL versions).
• MPPT Channels: High-speed Maximum Power Point Tracking for optimized energy harvesting.
• Input Voltage: Maximum DC input voltage of up to 1000 Vdc.
• Flexibility: Suitable for large scale PV plants with reduced DC distribution losses.
• Pre-configured Systems: Delivered pre-configured and pre-tested, reducing on-site wiring and testing.
• Modularity: Each module operates independently, so a failure in one module does not affect others.

Technical Specifications

Inverter Models

• PVI-55.0/110.0
• PVI-165.0/220.0
• PVI-275.0/330.0

Input Side

• DC Voltage Range: 485...950 V
• MPPT Range: 485...800 V
• Input Current: Up to 738 A combined, 123 A per module.
• DC Inputs: Multiple pairs depending on the model.
• Protection: Reverse polarity protection, input overvoltage protection, and residual current protection.

Output Side

• AC Grid Connection: Three phases, with 4W+PE or 3W+PE options.
• Rated Power: Varies from 55 kW to 330 kW.
• Voltage Range: 320...480 V
• Output Current: Up to 606 A
• Frequency Range: 47...63 Hz
• Power Factor: > 0.995 (adjustable ±0.90)
• Total Harmonic Distortion: < 3%

Environmental and Physical

• Temperature Range: -10...+60°C with derating above 50°C.
• Humidity: 0...95% non-condensing.
• Noise Emission: <72 dB(A) @ 1m, varying by model.
• Protection Rating: IP 20
• Cooling: Air forced, with required cooling flow varying by model.
• Dimensions: Varies from 1077mm x 1250mm x 850mm to 2184mm x 1250mm x 850mm.
• Weight: From <350 kg to <1300 kg, depending on the model.

Safety and Standards

• Transformer: Available in models with and without transformers.
• Marking: CE (50 Hz only)
• Safety and EMC Standards: EN 50178, EN61000-6-2, EN61000-6-4, EN61000-3-11, EN61000-3-12.
• Grid Standards: CEI 0-21, CEI 0-16, BDEW, RD 661/2007, RD 1565/2010, P.O.12.3 (check for availability by region).

Communication and Monitoring

• Local Monitoring: PVI-USB-RS232_485 (optional)
• Remote Monitoring: PVI-AEC-EVO (optional), VSN700 Data Logger (optional)
• String Combiner: PVI-STRINGCOMB (optional)
• User Interface: 16 characters x 2 line LCD display for each module

Highlights

• Fault Susceptibility: Reduced susceptibility to single faults with a maximum of 55 kW lost per module.
• Noise Reduction: Reduced acoustic noise due to high switching frequency.
• Integrated Protection: DC and AC distribution and protection integrated.
• Monitoring: Two independent RS-485 communication interfaces for smart monitoring.
• DC Disconnect Switch: Integrated for each 55 kW module, with replaceable fuses and overvoltage protection.
• Revamping Applications: Ideal for MV connected PV systems revamping without changing the MV transformer.
• TL Versions: Available with different AC voltage standards (e.g., CEI 0-16).
• Wider MPPT Range: Enhanced MPPT range for better energy harvesting.

Conclusion

The FIMER PVI-55.0/330.0 series of solar inverters offers a highly efficient, modular solution for various PV plant configurations, providing robust performance and easy integration for large-scale solar energy systems. The modularity and independent operation of each 55 kW block ensure that the overall system performance remains high even if individual modules are affected, making it a reliable choice for both new installations and revamping existing systems.