beautypg.com

SMA SB 4200TL Multi-String User Manual

Page 43

background image

SMA

Technologie AG

Technical Documentation

Operating Instructions

SB4200-12:FE4804

Page 43

Efficiency

The efficiency of the Sunny Boy 4200TL Multi-String depends on the DC input voltage
coming from the PV modules. The higher the voltage the higher is the efficiency of the
Sunny Boy 4200TL Multi-String.

Fig. 6.4: Efficiency of the Sunny Boy 4200TL Multi-String with respect to the input

voltage

Max. Efficiency at nominal voltage

η

max

95.6 %

European weighted efficiency

η

euro

> 94.9 %

Ef

ficiency [%]

Output Power [kW]

96

95

90

91

1

2

4

0

92

93

94

3

Sunny Boy 4200TL Multi--String

500 V

400 V

300 V