📝 Description

Used product
The FIMER R5000TL 500 kW is a three-phase central inverter from the FIMER R Series, designed for industrial photovoltaic plants and large grid-connected solar parks.
The model is designed to manage a maximum photovoltaic field power of up to 500 kWp, with DC input current up to 1050 A and an MPPT tracking range of 430 to 820 VDC. Conversion is performed using three-phase transformerless technology, with forced-air cooling and an integrated electronic control system.

⚙️ Main Specifications

• Brand: FIMER
• Model: R5000TL
• Series: R
• Type: Three-phase On-Grid central inverter
• Maximum PV field power: 500 kWp
• Recommended PV power: 380–500 kW
• MPPT voltage: 430–820 VDC
• Maximum PV open-circuit voltage: 900 VDC
• Optional maximum voltage: 950 / 1000 V depending on configuration
• Maximum DC current: 1050 A
• Technology: Three-phase, transformerless
• Rated AC power: 425 kW
• Rated AC current: 945 A
• Grid voltage: approximately 260 VAC ±10%
• Frequency: 50 Hz
• THD: <3%
• Power factor: >0.99
• Maximum efficiency: 98.8%
• European efficiency: 98.2%
• Protection rating: IP20
• Cooling: Forced ventilation with temperature-controlled fans
• Operating temperature: -10…+50 °C
• Humidity: 0–95% non-condensing
• Noise level: <70 dB

🔧 Main Functions

• Conversion of DC energy from the photovoltaic field into three-phase AC energy.
• Maximum power point tracking through MPPT.
• Feeding the generated energy into the electrical grid.
• Monitoring of input and output electrical parameters.
• Management of DC- and AC-side protections.
• Insulation monitoring and operating-condition control.
• Thermal management through forced ventilation.
• System monitoring and diagnostics.

🔌 Purpose and Operation

The FIMER R5000TL receives the DC energy generated by the photovoltaic field and converts it into three-phase AC energy suitable for grid connection.
The MPPT system operates within the 430–820 VDC range, while the power stage manages DC currents up to 1050 A. The inverter's rated output is 425 kW, with rated AC current up to 945 A.

🧩 Architecture and Technology

The R5000TL belongs to the FIMER R Series of central inverters and was developed for high-power photovoltaic applications.
The platform uses a modular FIMER power architecture designed to facilitate maintenance and reduce downtime when servicing an individual conversion module. FIMER describes this architecture as the Modular Power System (MPS).

🛡️ Protection and Management

The R5000TL configuration includes dedicated protection and control systems for the DC and AC sections, including:

• DC overvoltage protection;
• overcurrent protection;
• insulation monitoring;
• short-circuit and overload protection;
• DC-side disconnecting;
• AC-side circuit breaker;
• temperature monitoring;
• cooling-fan management.
  FIMER configurations using the same platform also document DC-side SPDs and integrated insulation monitoring.

⚠️ Typical Faults and Symptoms

An inverter in this category may experience:

• failure to start;
• reduced output power;
• MPPT anomalies;
• DC overvoltage or undervoltage;
• DC-Link anomalies;
• overcurrent;
• power-module faults;
• IGBT anomalies;
• overtemperature;
• fan faults or blockages;
• communication anomalies;
• protection tripping;
• failure to synchronize with the grid.
  The presence of an alarm does not automatically identify the responsible component: diagnosis must also include power supplies, wiring, electronic boards, power modules, sensors, and the cooling system.

🔍 Diagnosis

Diagnosis of the FIMER R5000TL may include:

• reading alarms from the supervision system;
• checking DC voltages;
• checking the DC-Link;
• checking input currents;
• checking AC voltages and currents;
• checking IGBT modules;
• checking control boards;
• checking fans;
• checking temperature sensors;
• checking connections and wiring;
• testing protection circuits.

🛠️ Common Services in Case of Failure

The following services may be performed on the FIMER R5000TL:

• electronic diagnostics;
• board repair;
• repair or replacement of power modules;
• fan inspection and replacement;
• capacitor inspection;
• control-circuit inspection;
• communication-system repair;
• electronic-module refurbishment;
• replacement of worn components;
• functional testing and checks before reinstallation.

🛠️ Applications

The FIMER R5000TL is primarily intended for:

• large photovoltaic plants;
• solar parks;
• industrial plants;
• high-power commercial installations;
• grid-connected PV systems.
  FIMER documentation explicitly cites the R1500TL–R5000TL Series as a range of transformerless central inverters intended for large commercial and industrial installations and photovoltaic parks connected to MV and HV grids.

🛡️ Product Condition

Used product.
The inverter is supplied in the condition shown in the photographs.

📦 Package Contents

• 1 × FIMER R5000TL 500 kW

🟢 Summary

The FIMER R5000TL 500 kW is a high-power three-phase central inverter from the R Series, designed to convert energy generated by large photovoltaic plants.
The configuration documented by FIMER provides 500 kWp maximum PV power, 1050 A DC current, 430–820 VDC MPPT, 900 VDC maximum open-circuit voltage, 425 kW rated AC power, and 945 A rated AC current, with maximum efficiency of 98.8%.