SMA MEDIUM VOLTAGE POWER STATION 500SC-JP - Grid Monitoring and Grid Limits

Name Description Value/range Explanation Default
value
PF-PFEx-
tSubValR
Substitute value of the ex-
citation type in normal
feed-in operation during
communication distur-
bance
OvExt Overexcited OvExt
UnExt Underexcited
PwrMonEr-
rMod
Mode used in the event
of communication distur-
bance
LastVal Use of last default values re-
ceived
LastVal
SubVal Use of substitute values
PwrMonErrTm Communication down-
time until substitute val-
ues are used
1sto999s ‒ 300s
QoDEna Activates/deactivates the
function "QatNight"
Off Deactivated Off
On Activated
QoDDccOffDe-
lay*
Delay time until the DC
switchgear opens in the
operating state
"QatNight"
0s to 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.
14.2.1.2 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% to 150% ‒ 0
VCtlMaxTm Delay time for overvolt-
age level3
0ms-
to1,000,000ms
‒ 1,000,000ms
VCtlhhLim Threshold for overvolt-
age release level2
100% to 150% ‒ 130%
VCtlhhLimTm Delay time for overvolt-
age level2
0ms-
to1,000,000ms
‒ 100ms
VCtlhLim Threshold for overvolt-
age release level1
100% to 150% ‒ 110%
VCtlhLimTm Delay time for overvolt-
age level1
0ms-
to1,000,000ms
‒ 500ms
VCtllLim Threshold for undervolt-
age release level1
0% to 100% ‒ 80%
14 Operating Data and Parameters
SMA Solar Technology AG
System Manual 229MVPS22JP-SH-en-11