Chapter 1: Introducing the SolarEdge Power
Harvesting System
The SolarEdge power harvesting solution maximizes the power output from any type of
solar photovoltaic (PV) installation while reducing the average cost per watt. The
following sections describe each of the system’s components.
Figure 1: The SolarEdge power harvesting system components
Power Optimizer
The power optimizers are DC-DC converters connected to PV modules in order to
maximize power harvesting by performing independent Maximum Power Point
Tracking (MPPT) at the module level.
The power optimizers regulate the string voltage at a constant level, regardless of string
length and environmental conditions.
The power optimizers include a safety voltage function that automatically reduces the
output of each power optimizer to 1 Vdc in the following cases:
During fault conditions
The power optimizers are disconnected from the inverter
The inverter ON/OFF/P switch is turned OFF
The inverter AC breaker is turned OFF
The Rapid Shutdown (PVRSS)is initiated by one of the following methods:
Inverter AC breaker is turned OFF, or AC to the inverter is disconnected by
another method (intentionally or as result of a fault)
Inverter ON/OFF/P switch is turned OFF
The Safety Switch is turned OFF
Chapter 1: Introducing the SolarEdge Power Harvesting System 11
Single Phase Inverter with HD-Wave Technology Installation MAN-01-00541-1.3
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