Inverter RS Smart Solar

Outstanding inverter/charger efficiency - Maximum efficiency of 96%. The inverter is short circuit proof and protected against overheating, whether due to overload or high ambient temperature.

Ultra-fast Maximum Power Point Tracking (MPPT) - Especially in case of a clouded sky, when light intensity is changing continuously, a fast MPPT algorithm will improve energy harvest by up to 30% compared to PWM charge controllers and by up to 10% compared to slower MPPT controllers.

Advanced Maximum Power Point Detection in case of partial shading conditions - If partial shading occurs, two or more maximum power points may be present on the power-voltage curve. Conventional MPPTs tend to lock to a local MPP, which may not be the optimum MPP. The innovative SmartSolar algorithm will always maximize energy harvest by locking to the optimum MPP.

When external PV inverters are connected to the output of the inverter, excess solar energy is used to recharge the batteries, just as with the internal MPPT solar controller. Once the battery absorption voltage is reached, charge current will reduce by shifting the output frequency higher. This frequency shift is automatic and does not require configuration on the Inverter RS, though the AC PV inverter may require additional configuration.

This feature is used for battery over charge protection and solar assist.

The Inverter RS does not allow complete charging of the battery from an AC PV inverter to fully 100% State of Charge.

That is a safety precaution to prevent overcharging of the battery when the AC PV output cannot be adjusted quickly enough to prevent a system shutdown, so when charging from AC PV, there is some capacity left in the battery remaining to absorb this surplus.

To complete a full charge from solar, connect PV to the internal MPPT solar charger, or another DC MPPT.

High peak power - The inverter is able to supply a maximum AC output power to a peak 9000W or 50A AC, for 3 seconds. This supports smooth operation for motor start up and other demanding surge loads.

Continuous power output, with solar boost - Continuous output power at 25C t ambient, at 52VDC, is 5300W. When combined with solar power from the built-in MPPT this increases approximately 10% to 5800W.

Isolated PV connections for additional safety - Full galvanic isolation between PV and battery connections provide additional overall system safety.

Temperature Protected - Over-temperature protection and power derating when temperature is high.

VE.Direct port and two VE.Can ports

The Inverter RS only supports a data connection to a GX device (i.e Cerbo GX) via the VE.Can port, and not the VE.Direct port. The VE.Direct port can be used to connect a GlobalLink 520 for remote data monitoring, or USB to VE.Direct dongle for VictronConnect access on a Windows computer.

Device Display

A 4 line LCD back-lit display shows operational information including battery levels, solar yield, and system icons.

User I/O connector:                                                                          

Bluetooth Smart built-in

The wireless solution to set-up, monitor and update the controller using Apple and Android smartphones, tablets or other compatible devices.

Configuring and monitoring with VictronConnect

Configure with the VictronConnect app. Available for iOS, Android devices, as well as macOS and Windows computers. A VE.Direct to USB accessory is required for Windows systems; enter VictronConnect in the search box on our website and see the VictronConnect download page for details.

The batteries are charged by solar energy using the built-in MPPT solar controller. It can also be charged by a PV grid inverter connected to the AC out. In this case the battery will be charged to ~95%. The built-in MPPT has a power limit of 4000W. So the maximum charging current for a 50V battery will be 80A. If an additional PV grid inverter is connected (max 5000W) the maximum total charging current is limited to 100A. The maximum charging current of 100A is reduced if battery voltage goes above 60V. A custom maximum charge current value can also be defined by the installer in VictronConnect.

The charger algorithm is the same as for the BlueSolar MPPT solar controllers. This provides built-in battery preset parameters, and allows for expert mode to define additional charging parameters.

Adaptive three step charging

The Charge Controller is configured for a three step charging process: Bulk – Absorption – Float.

A regular equalization charge can also be programmed.

Bulk- During this stage the controller delivers as much charge current as possible to rapidly recharge the batteries.

Absorption - When the battery voltage reaches the absorption voltage setting, the controller switches to constant voltage mode. When only shallow discharges occur the absorption time is kept short in order to prevent overcharging of the battery. After a deep discharge the absorption time is automatically increased to make sure that the battery is completely recharged.

Additionally, the absorption period is also ended when the charge current decreases to less than 2A.

Float - During this stage, float voltage is applied to the battery to maintain a fully charged state.

Optional external voltage and temperature sensor

Wired connections are available for battery voltage and temperature sensing. The Solar Charger uses these measurements to optimize its charge parameters. The accuracy of the data it transmits will improve battery charging efficiency, and prolong battery life.

The Smart Battery Sense and other VE.Smart networking features are not currently supported.

Remote on-off input

Remote L functions as ‘allow to charge’ in case lithium battery is selected and remote H functions as ‘allow to discharge’. Use smallBMS for the RS with Victron lithium batteries.

Programmable relay

Can be programmed (with a smartphone) to open or close on an alarm, or other events.