1.4 Product Description
This device is a single phase grid-tie solar inverter. It converts direct current (DC)
electricity from photovoltaic power collected from PV Array into single phase alternating
current (AC) to feed the excess capacity back to the local main electrical grid.
This inverter allows wide voltage input range (125~600Vdc for RPI-H3 and 200~1000Vdc
for RPI-H5) and high performance efficiency based on user’s friendly operation design.
In addition, special DSP(Digital Signal Processor)design decreases the circuit complication
and electronic components. Please note that this device does not support off-grid function.
The features for RPI-H3/RPI-H5 are shown below.
1.5 How it Works
The operation of solar inverter is shown as the Figure 1-1. In order to save energy and
electricity, solar inverter convert the DC input power supplied from the PV Array into
single-phase AC output power to Grid.
1.6 Additional Information
For more detailed information for RPI-H3/RPI-H5 or other related product information,
please visit http://www.deltaww.com.
Features
• Power Rating : 3 kVA(RPI-H3), 5 kVA(RPI-H5)
• Single Phase (L + N + PE), Grid-tie, Transformerless solar inverter
• Maximum efficiency : > 97.0%(RPI-H3), > 97.5 %( RPI-H5)
• Europe efficiency: 96.2(RPI-H3), 97.0%(RPI-H5)
• Reactive power capability (Cap 0.8 – Ind 0.8)
• Total harmonic distortion (THD < 3%) @ full load
• 1 MPP Trackers
• 16×2 LCD display
Electrical GridSolar InverterPV Array
Figure 1-1 : Solar inverter system operation illustration
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