Grid Monitoring And Grid Limits - SMA MEDIUM VOLTAGE POWER STATION 500SC-JP System Manual

SMA Solar Technology AG
Name Description
PF-PFEx- Substitute value of the ex-
tSubValR citation type in normal
feed-in operation during
communication distur-
bance
PwrMonEr- Mode used in the event
rMod of communication distur-
bance
PwrMonErrTm Communication down-
time until substitute val-
ues are used
QoDEna Activates/deactivates the
function "Q at Night"
QoDDccOffDe- Delay time until the DC
lay* switchgear opens in the
operating state
"Q at Night"
* 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
VRtg Nominal line-to-line volt-
age of the utility grid
VCtlMax Threshold for overvolt-
age release level 3
VCtlMaxTm Delay time for overvolt-
age level 3
VCtlhhLim Threshold for overvolt-
age release level 2
VCtlhhLimTm Delay time for overvolt-
age level 2
VCtlhLim Threshold for overvolt-
age release level 1
VCtlhLimTm Delay time for overvolt-
age level 1
VCtllLim Threshold for undervolt-
age release level 1
System Manual
Value/range Explanation
OvExt Overexcited
UnExt Underexcited
LastVal Use of last default values re-
ceived
SubVal Use of substitute values
1 s to 999 s ‒
Off Deactivated
On Activated
0 s to 86,400 s ‒
Range Explanation
1 V to 70,000 V ‒
100% to 150% ‒
0 ms - ‒
to 1,000,000 ms
100% to 150% ‒
0 ms - ‒
to 1,000,000 ms
100% to 150% ‒
0 ms - ‒
to 1,000,000 ms
0% to 100% ‒
14 Operating Data and Parameters
Default
value
OvExt
LastVal
300 s
Off
3,600 s
Default value
20,000 V
0
1,000,000 ms
130%
100 ms
110%
500 ms
80%
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