Schweitzer Engineering Laboratories SEL-751 - Table F.13 Compatible Logical Nodes with Extensions; Table F.14 Fault Locator Logical Node Class Definition

F.16
SEL-751 Relay Instruction Manual Date Code 20170927
IEC 61850 Communications
Logical Node Extensions
PkDmdA WYE Peak Demand Currents E
PkDmdAnseq MV Negative-Sequence Peak Demand Current E
SupWh BCR Real energy supply (default supply direction: energy flow towards busbar) E
SupVArh BCR Reactive energy supply (default supply direction: energy flow towards
busbar)
E
DmdWh BCR Real energy demand (default demand direction: energy flow from busbar
away)
E
DmdVArh BCR Reactive energy demand (default demand direction: energy flow from
busbar away)
E
a
Transient data objects—the status of data objects with this designation is momentary and must be logged or reported to provide evidence
of their momentary state.
b
M: Mandatory; O: Optional; C: Conditional; E: Extension.
Table F.13 Compatible Logical Nodes With Extensions
Logical Node
IEC
61850
Description or comments
Fault Locator RFLO This LN is used for fault locator measurement data.
Circuit Breaker XCBR This LN is used for circuit breaker status and measurement data.
Measurement MMXU This LN is used for power system measurement data.
Generic Process I/O GGIO This LN is used for Remote Analog data.
Circuit Breaker Wear Supervision SCBR This LN is used for supervision of circuit breakers.
Table F.14 Fault Locator Logical Node Class Definition
RFLO Class
Data Object Name
Common
Data Class
Explanation T
a
a
Transient data objects—the status of data objects with this designation is momentary and must be logged or reported to provide evidence
of their momentary state.
M/O/C/E
b
b
M: Mandatory; O: Optional; C: Conditional; E: Extension.
LNName The name shall be composed of the class name, the LN-Prefix, and the
LN-Instance-ID (according to IEC 61850-7-2).
Common Logical Node Information
LN shall inherit all Mandatory Data from Common Logical Node Class. M
Data Objects
Measured and Metered Values
FltZ CMV Fault impedance M
FltDiskm MV Fault distance O
FltA WYE Fault currents E
Table F.12 Demand Metering Statistics Logical Node Class Definition (Sheet 2 of 2)
MDST Class
Data Object Name
Common
Data Class
Explanation T
a
M/O/C/E
b