SMA SUNNY CENTRAL CP XT Series - Grid Monitoring and Grid Limits

11 Operating Data and Parameters
SMA Solar Technology AG
User Manual 133SCCPXT-E7-BA-en-58
Name Description Value/range Explanation Default
value
QoDDccOffDe-
lay*
Delay time until the DC
switchgear opens in the
operating state
"QatNight"
0s … 86,400s ‒ 3,600s
* You can only view this parameter.
** To change this parameter, you must enter the installer password.
*** To view or change this parameter, you must enter the installer password.
11.2.1.2 Grid Monitoring and Grid Limits
To change these parameters, you must enter the installer password.
Name Description Range Explanation Default
value
VRtg Nominal line-to-line volt-
age of the utility grid
1V to 70,000V ‒ 20,000 V
VCtlMax Threshold for overvolt-
age release level3
100% ... 150% ‒ Country-
specific
VCtlMaxTm Delay time for overvolt-
age level3
0 ms …
1,000,000ms
‒ Country-
specific
VCtlhhLim Threshold for overvolt-
age release level2
100% ... 150% ‒ Country-
specific
VCtlhhLimTm Delay time for overvolt-
age level2
0 ms …
1,000,000ms
‒ Country-
specific
VCtlhLim Threshold for overvolt-
age release level1
100% ... 150% ‒ Country-
specific
VCtlhLimTm Delay time for overvolt-
age level1
0 ms …
1,000,000ms
‒ Country-
specific
VCtllLim Threshold for undervolt-
age release level1
0% ... 100% ‒ Country-
specific
VCtllLimTm Delay time for undervolt-
age level1
0 ms …
1,000,000ms
‒ Country-
specific
VCtlllLim Threshold for undervolt-
age release level2
0% ... 100% ‒ Country-
specific
VCtlllLimTm Delay time for undervolt-
age level2
0 ms …
1,000,000ms
‒ Country-
specific
VCtlMin Threshold for undervolt-
age release level3
0% ... 100% ‒ Country-
specific
VCtlMinTm Delay time for undervolt-
age level3
0 ms …
1,000,000ms
‒ Country-
specific