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INVERTER GRUNDFOS RSI 2.2 TO 37KW 800VDC , 380 V
The Grundfos Renewable Solar Inverter (RSI) is an off-grid solar inverter that converts the DC output power of the solar panel into AC power for pump operation, for example.
High voltage : 3 x 380-415 V – Max. 800VDC
Suitable for existing or new installations, provided that the motor characteristics are compatible and suitable for use with a frequency converter. Do not hesitate to ask one of our technicians for information.
” The ideal complement for your pump ”
The Grundfos Renewable Solar Inverter (RSI) is an off-grid solar inverter converting the DC power output from the solar panel to AC power supply for pump operation.
RSI can be used in both new and existing systems as long as the motor specs are compatible and is suitable for use with a variable frequency drive.
RSI is AC and DC compatible. RSI can be connected to the grid or a generator as back-up power during solar panel disruptions. It is designed for continuous as well as intermittent operation. The system is suitable for various water supply systems including irrigation.
This inverter can be used in existing systems with submersible pumps or dry-installed pumps, thus providing a very wide range of applications allowing you to leverage renewable energy sources with the ability to back up the system with grid or generator power.
Its advantages :
⦁ Maximum power point tracking (MPPT)
⦁ AC/DC compatibility
⦁ Setup wizard with Grundfos product library
⦁ Overvoltage and undervoltage protection
⦁ Overload protection
⦁ Overcurrent protection
⦁ Overtemperature protection
⦁ No-load protection.
⦁ Operating history memory
⦁ Detachable control panel
⦁ Enclosure class IP66
Weatherproof for outdoor installation
With an IP66 enclosure class rating, the RSI is resistant to rain, dust and sand, meaning there is no requirement for a weatherproof cabinet with ventilation and air filter. The RSI can handle ambient temperatures up to 60 °C. In addition to substantial cost savings for installation, placing the solar inverter beneath the solar panel array means only a very short DC cable is required, and this is an extremely important safety advantage for users and personnel.
Continuous system optimisation
Advanced MPPT software continuously optimises the system by compensating for environmental effects on solar panel array, improving power and water output by up to 30 %. Environmental effects cover
1) temperature compensation,
2) handling of multiple local power points due to partial shading, and
3) protection against power oscillation due to rapid cloud movement.
Quick setup with Grundfos pump motors
The quick setup Wizard pairs the RSI quickly with a broad range of Grundfos pumps. With a built-in Grundfos motor library all that is required is confirmation of motor type and pre-set value; no parameter input is necessary for Grundfos pumps. This means
1) setup completed in less than 5 minutes, and
2) enables setup of the RSI in the workshop prior to a plug-andpump experience on site.
You can switch the solar inverter to mains power or generator if required, because the drive is compatible to both AC and DC power input without the need to change any parameter settings. Simply connect the two power sources via an external switchover box, and you take advantage of solar energy during the day and mains power or generator during the night.