Table 2. Supported functions
Function IEC 61850 A B C D E
Protection
Three-phase non-directional overcurrent protection, low stage PHLPTOC 1 1 1
Three-phase non-directional overcurrent protection, high stage PHHPTOC 2 2 2
Three-phase non-directional overcurrent protection,
instantaneous stage
PHIPTOC 1 1 1 1 1
Three-phase directional overcurrent protection, low stage DPHLPDOC 2 2
Three-phase directional overcurrent protection, high stage DPHHPDOC 1 1
Non-directional earth-fault protection, low stage EFLPTOC 2
Non-directional earth-fault protection, high stage EFHPTOC 1
Non-directional earth-fault protection, instantaneous stage EFIPTOC 1
Directional earth-fault protection, low stage DEFLPDEF
2
1)
2
2
2)
Directional earth-fault protection, high stage DEFHPDEF
1
1)
1
1
2)
Admittance-based earth-fault protection
3)
EFPADM
(3)
1)3)
(3)
3)
(3)
2)3)
Wattmetric-based earth-fault protection
3)
WPWDE
(3)
1)3)
(3)
3)
(3)
2)3)
Transient/intermittent earth-fault protection INTRPTEF
1
1)4)
1
4)
1
2)4)
Harmonics-based earth-fault protection
3)
HAEFPTOC
(1)
3)4)
(1)
3)4)
(1)
3)4)
(1)
3)4)
Non-directional (cross-country) earth-fault protection, using
calculated Io
EFHPTOC 1 1 1
Negative-sequence overcurrent protection NSPTOC 2 2 2 2 2
Phase discontinuity protection PDNSPTOC 1 1 1 1
Residual overvoltage protection ROVPTOV
3
1)
3
3
2)
Three-phase undervoltage protection PHPTUV 3 3
Three-phase overvoltage protection PHPTOV 3 3
Positive-sequence undervoltage protection PSPTUV 1 1
Negative-sequence overvoltage protection NSPTOV 1 1
Frequency protection FRPFRQ 4 4
Three-phase thermal protection for feeders, cables and
distribution transformers
T1PTTR 1 1 1 1
Three-phase thermal overload protection, two time constants T2PTTR 1 1 1 1
Binary signal transfer BSTGGIO 1 1 1 1 1
Circuit breaker failure protection CCBRBRF
1
5)
1 1 1 1
Three-phase inrush detector INRPHAR 1 1 1 1 1
Switch onto fault CBPSOF 1 1 1 1 1
Master trip TRPPTRC 2 2 2 2 2
Multipurpose protection MAPGAPC 18 18 18 18 18
Fault locator SCEFRFLO (1) (1)
Line differential protection with in-zone power transformer LNPLDF 1 1 1 1 1
High-impedance fault detection PHIZ 1 1 1 1
Power quality
Current total demand distortion CMHAI
(1)
6)
(1)
6)
Voltage total harmonic distortion VMHAI
(1)
6)
(1)
6)
Voltage variation PHQVVR
(1)
6)
(1)
6)
Voltage unbalance VSQVUB
(1)
6)
(1)
6)
Control
Circuit-breaker control CBXCBR 1 1 1 1 1
Disconnector control DCXSWI 2 2 2 2 2
Earthing switch control ESXSWI 1 1 1 1 1
Disconnector position indication DCSXSWI 3 3 3 3 3
Earthing switch indication ESSXSWI 2 2 2 2 2
Autoreclosing DARREC (1) (1) (1) (1)
Synchronism and energizing check SECRSYN 1
(1)
7)
Condition monitoring and supervision
Circuit-breaker condition monitoring SSCBR 1 1 1 1
Trip circuit supervision TCSSCBR 2 2 2 2 2
Current circuit supervision CCSPVC 1 1 1 1 1
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