ABB RELION 670 Series Applications Manual page 372

Section 14
Monitoring
NomValueM : Nominal value for input M.
OverTrigOpM , UnderTrigOpM : Over or Under trig operation, Disturbance report may trig for
high/low level of analog input M (
OverTrigLeM , UnderTrigLeM : Over or under trig level, Trig high/low level relative nominal value for
analog input M in percent of nominal value.
14.6.3.4 Sub-function parameters
All functions are in operation as long as Disturbance report is in operation.
Indications
IndicationMaN : Indication mask for binary input N. If set ( Show ), a status change of that particular
input, will be fetched and shown in the disturbance summary on local HMI. If not set (
change will not be indicated.
SetLEDN : Set red LED on local HMI in front of the IED if binary input N changes status.
Disturbance recorder
OperationM : Analog channel M is to be recorded by the disturbance recorder ( Enabled ) or not
Disabled ).
(
OperationM = Disabled , no waveform (samples) will be recorded and reported in graph.
If
However, Trip value, pre-fault and fault value will be recorded and reported. The input channel can
still be used to trig the disturbance recorder.
OperationM = Enabled , waveform (samples) will also be recorded and reported in graph.
If
Event recorder
Event recorder (ER) function has no dedicated parameters.
Trip value recorder
ZeroAngleRef : The parameter defines which analog signal that will be used as phase angle
reference for all other analog input signals. This signal will also be used for frequency
measurement and the measured frequency is used when calculating trip values. It is suggested to
point out a sampled voltage input signal, for example, a line or busbar phase voltage (channel
1-30).
Sequential of events
function has no dedicated parameters.
14.6.3.5 Consideration
The density of recording equipment in power systems is increasing, since the number of modern
IEDs, where recorders are included, is increasing. This leads to a vast number of recordings at
every single disturbance and a lot of information has to be handled if the recording functions do
not have proper settings. The goal is to optimize the settings in each IED to be able to capture just
valuable disturbances and to maximize the number that is possible to save in the IED.
The recording time should not be longer than necessary (
366
Enabled ) or not ( Disabled ).
PostFaultrecT and TimeLimit ).
1MRK 505 337-UUS A
M12179-389 v3
M12179-448 v4
Hide ), status
M12179-446 v4
M12179-444 v4
M12179-442 v3
M12179-440 v3
M12179-420 v5
Application manual