ABB REB670 Series Applications Manual page 254

Section 11
Secondary system supervision
Harm3Level : This is the set level of 3
DelI> should be modified. Typical setting is 15% of fundamental signal.
the
StValGrad : This setting is used to modify the DelI> based on 3
is 10% to modify the
11.5 Delta supervision of real input DELSPVC
11.5.1 Identification
Function description
Delta supervision of real input
11.5.2 Application
Delta supervision of real input DELSPVC is a general processed input delta supervision. It is
used to configure any processed inputs such as:
• Power (S)
• Active power (P)
• Reactive power (P)
• Thermal heat content (ɸ)
• Energy
The change over time of these quantities with respect to the old value can be supervised with
this function.
11.5.3 Setting guidelines
Operation : This setting is used to enable/disable the delta supervision function.
MinStVal : The minimum start level of the function. If the input is below this level, the function
will be blocked. It should be set depending on the input connected.
DelSt> : This setting is used to set the start value for delta detection.
DeltaT : This setting defines the number of execution cycles of old data to be used for delta
calculation. That is, if
used to compare the change against.
tHold : This setting defines the pulse length for the start signal. A typical value of this setting is
100 ms.
248
rd
harmonic with respect to fundamental signal at which
DelI> .
IEC 61850
identification
DELSPVC
DeltaT setting is set as 6 for a 3 ms function, an 18 ms old value will be
rd
harmonic level. Typical setting
GUID-470F7470-F3D1-46BC-B0EA-CD180FBA0AB2 v1
GUID-66CFBA71-B3A4-489F-B7F4-F1909B75E1DD v1
IEC 60617 ANSI/IEEE C37.2
identification device number
– –
GUID-C7F56ACE-D1F2-4F33-96CA-108D7F11FDD5 v1
GUID-0D420893-4266-4EED-8790-1FFA0F41C962 v1
Busbar protection REB670
1MRK 505 370-UEN D
Application manual