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3.2 Electrical block diagram

Electrical block diagram of SolarRiver-D series inverter is as figure2.

3.3 Principle description

Principle description of SolarRiver-D series inverter is as figure3.

Introduction of SolarRiver-D series inverter

Figure 2 Electrical block diagram of SolarRiver-D series inverter

Insulation

Detection

DSP B DSP A

RCMUARM

LCD

Ethernet

MPPT1

(DC/DC)

MPPT2

(DC/DC)

DC BUS

Inverter

(DC/AC)

LC Filter

Relay

GFCI

PV 1

PV 2

RS485/WiFi/GPRS

DC Switch

(Optional)

Figure 3 Principle description figure

AC switch

Leakage

protection

Inverter

AC SPD

Public grid

DC switch

DC SPD

PV modules

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