Download SUNNY CENTRAL and Accessories

SMA Solar Technology AG
Table of Contents
6.3
Checking the DC main switch . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.3.1
Circuit breaker and switch-disconnector . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
6.4
6.5
Checking the fuses and disconnectors . . . . . . . . . . . . . . . . . . . 48
Checking the overvoltage arrester . . . . . . . . . . . . . . . . . . . . . . 49
6.5.1
Checking the Dehn Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
6.5.2
Checking the Blitzductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.6
Maintaining the GFDI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6.6.1
Replacing the GFDI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
6.7
Maintaining the soft grounding. . . . . . . . . . . . . . . . . . . . . . . . . 51
7
7.1
7.2
Additional notes for Sunny Central 100 . . . . . . . . . . . . . 52
Checking the transformer and sinusoidal filter . . . . . . . . . . . . . 52
Checking the cable feed of the SC 100outdoor . . . . . . . . . . . 53
8
8.1
Additional notes for MV stations . . . . . . . . . . . . . . . . . . . 54
Checking the cable feed of the concrete substations . . . . . . . . 54
9
Maintaining the Sunny String-Monitor . . . . . . . . . . . . . . . 55
10
Maintaining the Sunny String-Monitor-Cabinet . . . . . . . . 58
11
Maintaining the Sunny String-Monitor SSM24-11 . . . . . 61
12
Maintaining the Sunny Main Box . . . . . . . . . . . . . . . . . . . 65
13
Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Maintenance Manual
SCWAR-WEN094020
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