SMA SC 200 User Manual
Page 59
SMA Solar Technology AG
Grid Monitoring
User Manual
SC-BEN100262
59
11.2 Behavior of Grid Limits over Time when Breaches Occur
Object
Description
A
Delay time for grid limit Level 2
B
Delay time for grid limit Level 1
C
Start up / MPP load operation
D
Grid Monitoring
E
Failure
1
Grid limit Level 2
2
Grid limit Level 1
3
Connection limit
4
Grid limit Level 1 is breached, timer starts
5
Grid limit Level 2 is breached, timer starts
6
Grid limit level 2 for delay time level 2 is breached → grid disconnection
7
Grid limit Level 1 for delay time Level 1 is breached → grid disconnection
(the grid has already disconnected at Level 2)
8
Connection conditions fulfilled → monitoring time starts
9
Grid within valid range during monitoring time → grid connection