SMA America, LLC
Displays and Messages
SB50US-80US-IA-en-36
SB50US-80US-IA-en-36
65
Standard Operation
The inverter feeds into the power distribution grid in either "MPP", "Constant Voltage", or "Turbine"
mode.
"MPP" mode:
The Sunny Boy adjusts the voltage and the current from the PV array in order to receive the highest
possible PV output power.
"Constant Voltage" mode:
The array voltage is set to a fixed value. This value is set using the Sunny Boy Control or the Sunny
Data Software. The parameter name is
"V-Const":
This mode is suitable for using the inverter with fuel cells or small hydroelectric power plants.
"Turbine" mode:
This mode is suitable for using the inverter with a rectified DC generator and dynamic power
characteristic curve. The inverter can be adjusted to the form and slope of the power characteristic
curve of a specific generator. A small wind turbine system is a suitable generator for this.
Derating
The Sunny Boy can be operated with nominal power at an ambient temperature of up to +113 °F
(+45 °C). The Sunny Boy does remain operational at temperatures above +113 °F (+45 °C), but it
reduces the level of performance so as to protect the internal component parts from overheating.
Unwanted derating due to blocked fan inlets
Clean the fan inlets regularly.
Содержание SUNNY BOY 5000-US
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