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SMA Sunny Tripower 4.0 Manual

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4 Product Overview
SMA Solar Technology AG
Operating manualSTP3-6-3AV-40-BE-en-1216
Modbus
The product is equipped with a Modbus interface. The Modbus interface is deactivated by default
and must be configured as needed.
The Modbus interface of the supported SMA products is designed for industrial use – via SCADA
systems, for example – and has the following tasks:
• Remote query of measured values
• Remote setting of operating parameters
• Setpoint specifications for system control
Grid management services
The product is equipped with service functions for grid management.
Depending on the requirements of the grid operator, you can activate and configure the functions
(e.g. active power limitation) via operating parameters.
Parallel Operation of the DC Inputs A and B
You have the option of operating the inverter DC inputs A and B in parallel. As a result, and as
opposed to normal operation, several parallel-connected strings can be connected to the inverter.
The inverter automatically detects the parallel operation of the DC inputs A and B.
SMAOptiTracGlobalPeak
SMAOptiTracGlobalPeak is an advancement of SMAOptiTrac and allows the operating point of
the inverter to follow the optimal operating point of the PV array (MPP) precisely at all times. In
addition, with the aid of SMAOptiTracGlobalPeak, the inverter detects several maximum power
points in the available operating range, such as may occur particularly with partially shaded
strings. SMA OptiTrac Global Peak is enabled by default.
All-pole sensitive residual-current monitoring unit
The all-pole sensitive residual-current monitoring unit detects alternating and direct differential
currents. In single-phase and three-phase inverters, the integrated differential current sensor detects
the current difference between the neutral conductor and the line conductor(s). If the current
difference increases suddenly, the inverter disconnects from the utility grid.
SMA Smart Connected
SMA Smart Connected is the free monitoring of the inverter via the SMA SunnyPortal. Thanks to
SMA Smart Connected, the PV system operator and qualified person will be informed automatically
and proactively about inverter events that occur.
SMA Smart Connected is activated during registration in SunnyPortal. In order to use SMA Smart
Connected, it is necessary that the inverter is permanently connected to SunnyPortal and the data
of the PV system operator and qualified person is stored in SunnyPortal and up-to-date.
4.4 LED Signals
The LEDs indicate the operating state of the inverter.
… 16 …


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SMA Sunny Tripower 4.0 User Manual - German - 104 pages

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