30. Functions, codes and symbols
Table 117. Functions included in the relay
Function IEC 61850 IEC 60617 IEC-ANSI
Protection
Three-phase non-directional overcurrent protection,
low stage
PHLPTOC1 3I> (1) 51P-1 (1)
Three-phase non-directional overcurrent protection,
high stage
PHHPTOC1 3I>> (1) 51P-2 (1)
Three-phase non-directional overcurrent protection,
instantaneous stage
PHIPTOC1 3I>>> (1) 50P/51P (1)
Three-phase directional overcurrent protection, low
stage
DPHLPDOC1 3I> -> (1) 67-1 (1)
DPHLPDOC2 3I> -> (2) 67-1 (2)
Three-phase directional overcurrent protection, high
stage
DPHHPDOC1 3I>> -> (1) 67-2 (1)
Three-phase voltage-dependent overcurrent
protection
PHPVOC1 3I(U)> (1) 51V (1)
Non-directional earth-fault protection, high stage EFHPTOC1 Io>> (1) 51N-2 (1)
Directional earth-fault protection, low stage DEFLPDEF1 Io> -> (1) 67N-1 (1)
DEFLPDEF2 Io> -> (2) 67N-1 (2)
Directional earth-fault protection, high stage DEFHPDEF1 Io>> -> (1) 67N-2 (1)
Transient/intermittent earth-fault protection INTRPTEF1 Io> -> IEF (1) 67NIEF (1)
Negative-sequence overcurrent protection NSPTOC1 I2> (1) 46 (1)
NSPTOC2 I2> (2) 46 (2)
Negative-sequence overcurrent protection for
machines
MNSPTOC1 I2>M (1) 46M (1)
MNSPTOC2 I2>M (2) 46M (2)
Residual overvoltage protection ROVPTOV1 Uo> (1) 59G (1)
ROVPTOV2 Uo> (2) 59G (2)
Three-phase undervoltage protection PHPTUV1 3U< (1) 27 (1)
PHPTUV2 3U< (2) 27 (2)
Three-phase overvoltage protection PHPTOV1 3U> (1) 59 (1)
PHPTOV2 3U> (2) 59 (2)
Positive-sequence undervoltage protection PSPTUV1 U1< (1) 47U+ (1)
PSPTUV2 U1< (2) 47U+ (2)
Negative-sequence overvoltage protection NSPTOV1 U2> (1) 47O- (1)
NSPTOV2 U2> (2) 47O- (2)
Frequency protection FRPFRQ1 f>/f<,df/dt (1) 81 (1)
FRPFRQ2 f>/f<,df/dt (2) 81 (2)
FRPFRQ3 f>/f<,df/dt (3) 81 (3)
FRPFRQ4 f>/f<,df/dt (4) 81 (4)
FRPFRQ5 f>/f<,df/dt (5) 81 (5)
FRPFRQ6 f>/f<,df/dt (6) 81 (6)
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