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Grid Type (4600VA)

2 2 Block Diagram.

2 Features.1

‧True sine wave current output (THD<3%)

‧High efficiency up to 96%

‧IP65 design for indoor or outdoor installations

‧Multi-string input and MPPT

‧RS485 communication interface

‧Optional DC disconnect switch

‧5 years warranty

‧Graphic LCD display

‧Anti-islanding protection

‧Transformerless design

‧With internal ground fault

detector

‧Monitoring software

EMI

LCD

EMI

Utility

LINE

FILTER

RS485

DISPLAY

FILTERFILTER

GFCI

MPPT

Dual-DSP

INVERTER

PV string A

PV string B

Figure 2-2

2 Introduction.

Ener g y is t ra n sf erred fro m t he PV m od ul e to t h e GSI as a DC i n p ut. N ext it i s

Figure 2.1 System block diagram

converted to an AC output through the GSI and transferred to the utility grid. Data

can be acquired through the RS-485 communication interface.

distribution

box

distribution

box

KW-hr

AC watt-hour meter

Utility grid

Utility Co mpany

RS485 to

USB RS232

PV Panel

RS485

1 2 3 4 5 6 7 8 9 10 ... 32 33

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