All available functions are listed in the table. All of them may not be applicable to all products.
| Function | IEC 61850 | IEC 60617 | ANSI |
|---|---|---|---|
| Protection | |||
| Three-phase non-directional overcurrent protection, low stage | PHLPTOC1 | 3I> (1) | 51P-1 (1) |
| PHLPTOC2 | 3I> (2) | 51P-1 (2) | |
| Three-phase non-directional overcurrent protection, high stage | PHHPTOC1 | 3I>> (1) | 51P-2 (1) |
| PHHPTOC2 | 3I>> (2) | 51P-2 (2) | |
| Three-phase non-directional overcurrent protection, instantaneous stage | PHIPTOC1 | 3I>>> (1) | 50P/51P (1) |
| PHIPTOC2 | 3I>>> (2) | 50P/51P (2) | |
| 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) |
| DPHHPDOC2 | 3I>> -> (2) | 67-2 (2) | |
| Three-phase voltage-dependent overcurrent protection | PHPVOC1 | 3I(U)> (1) | 51V (1) |
| PHPVOC2 | 3I(U)> (2) | 51V (2) | |
| Non-directional earth-fault protection, low stage | EFLPTOC1 | Io> (1) | 51N-1 (1) |
| EFLPTOC2 | Io> (2) | 51N-1 (2) | |
| Non-directional earth-fault protection, high stage | EFHPTOC1 | Io>> (1) | 51N-2 (1) |
| EFHPTOC2 | Io>> (2) | 51N-2 (2) | |
| Non-directional earth-fault protection, instantaneous stage | EFIPTOC1 | Io>>> (1) | 50N/51N (1) |
| Directional earth-fault protection, low stage | DEFLPDEF1 | Io> -> (1) | 67N-1 (1) |
| DEFLPDEF2 | Io> -> (2) | 67N-1 (2) | |
| DEFLPDEF3 | Io> -> (3) | 67N-1 (3) | |
| Directional earth-fault protection, high stage | DEFHPDEF1 | Io>> -> (1) | 67N-2 (1) |
| Admittance-based earth-fault protection | EFPADM1 | Yo> -> (1) | 21YN (1) |
| EFPADM2 | Yo> -> (2) | 21YN (2) | |
| EFPADM3 | Yo> -> (3) | 21YN (3) | |
| Wattmetric-based earth-fault protection | WPWDE1 | Po> -> (1) | 32N (1) |
| WPWDE2 | Po> -> (2) | 32N (2) | |
| WPWDE3 | Po> -> (3) | 32N (3) | |
| Multifrequency admittance-based earth-fault protection | MFADPSDE1 | Io> -> Y (1) | 67YN (1) |
| Transient/intermittent earth-fault protection | INTRPTEF1 | Io> -> IEF (1) | 67NIEF (1) |
| Harmonics-based earth-fault protection | HAEFPTOC1 | Io>HA (1) | 51NHA (1) |
| Negative-sequence overcurrent protection | NSPTOC1 | I2> (1) | 46 (1) |
| NSPTOC2 | I2> (2) | 46 (2) | |
| Phase discontinuity protection | PDNSPTOC1 | I2/I1> (1) | 46PD (1) |
| Residual overvoltage protection | ROVPTOV1 | Uo> (1) | 59G (1) |
| ROVPTOV2 | Uo> (2) | 59G (2) | |
| ROVPTOV3 | Uo> (3) | 59G (3) | |
| Three-phase undervoltage protection | PHPTUV1 | 3U< (1) | 27 (1) |
| PHPTUV2 | 3U< (2) | 27 (2) | |
| PHPTUV3 | 3U< (3) | 27 (3) | |
| PHPTUV4 | 3U< (4) | 27 (4) | |
| Single-phase undervoltage protection, secondary side | PHAPTUV1 | U_A< (1) | 27_A (1) |
| Three-phase overvoltage protection | PHPTOV1 | 3U> (1) | 59 (1) |
| PHPTOV2 | 3U> (2) | 59 (2) | |
| PHPTOV3 | 3U> (3) | 59 (3) | |
| Single-phase overvoltage protection, secondary side | PHAPTOV1 | U_A> (1) | 59_A (1) |
| 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) | |
| Overexcitation protection | OEPVPH1 | U/f> (1) | 24 (1) |
| OEPVPH2 | U/f> (2) | 24 (2) | |
| Three-phase thermal protection for feeders, cables and distribution transformers | T1PTTR1 | 3Ith>F (1) | 49F (1) |
| Three-phase thermal overload protection, two time constants | T2PTTR1 | 3Ith>T/G/C (1) | 49T/G/C (1) |
| Negative-sequence overcurrent protection for machines | MNSPTOC1 | I2>M (1) | 46M (1) |
| MNSPTOC2 | I2>M (2) | 46M (2) | |
| Loss of phase (undercurrent) | PHPTUC1 | 3I< (1) | 37 (1) |
| PHPTUC2 | 3I< (2) | 37 (2) | |
| Loss of load supervision | LOFLPTUC1 | 3I< (1) | 37 (1) |
| LOFLPTUC2 | 3I< (2) | 37 (2) | |
| Motor load jam protection | JAMPTOC1 | Ist> (1) | 51LR (1) |
| Motor start-up supervision | STTPMSU1 | Is2t n< (1) | 49,66,48,51LR (1) |
| Phase reversal protection | PREVPTOC1 | I2>> (1) | 46R (1) |
| Thermal overload protection for motors | MPTTR1 | 3Ith>M (1) | 49M (1) |
| Stabilized and instantaneous differential protection for machines | MPDIF1 | 3dl>M/G (1) | 87M/G (1) |
| High-impedance/flux-balance based differential protection for motors | MHZPDIF1 | 3dIHi>M (1) | 87MH (1) |
| Stabilized and instantaneous differential protection for two-winding transformers | TR2PTDF1 | 3dI>T (1) | 87T (1) |
| Numerical stabilized low-impedance restricted earth-fault protection | LREFPNDF1 | dIoLo> (1) | 87NL (1) |
| LREFPNDF2 | dIoLo> (2) | 87NL (2) | |
| High-impedance based restricted earth-fault protection | HREFPDIF1 | dIoHi> (1) | 87NH (1) |
| HREFPDIF2 | dIoHi> (2) | 87NH (2) | |
| Circuit breaker failure protection | CCBRBRF1 | 3I>/Io>BF (1) | 51BF/51NBF (1) |
| CCBRBRF2 | 3I>/Io>BF (2) | 51BF/51NBF (2) | |
| CCBRBRF3 | 3I>/Io>BF (3) | 51BF/51NBF (3) | |
| Three-phase inrush detector | INRPHAR1 | 3I2f> (1) | 68 (1) |
| Master trip | TRPPTRC1 | Master Trip (1) | 94/86 (1) |
| TRPPTRC2 | Master Trip (2) | 94/86 (2) | |
| TRPPTRC3 | Master Trip (3) | 94/86 (3) | |
| TRPPTRC4 | Master Trip (4) | 94/86 (4) | |
| Arc protection | ARCSARC1 | ARC (1) | 50L/50NL (1) |
| ARCSARC2 | ARC (2) | 50L/50NL (2) | |
| ARCSARC3 | ARC (3) | 50L/50NL (3) | |
| High-impedance fault detection | PHIZ1 | HIF (1) | HIZ (1) |
| Load-shedding and restoration | LSHDPFRQ1 | UFLS/R (1) | 81LSH (1) |
| LSHDPFRQ2 | UFLS/R (2) | 81LSH (2) | |
| LSHDPFRQ3 | UFLS/R (3) | 81LSH (3) | |
| LSHDPFRQ4 | UFLS/R (4) | 81LSH (4) | |
| LSHDPFRQ5 | UFLS/R (5) | 81LSH (5) | |
| LSHDPFRQ6 | UFLS/R (6) | 81LSH (6) | |
| Multipurpose protection | MAPGAPC1 | MAP (1) | MAP (1) |
| MAPGAPC2 | MAP (2) | MAP (2) | |
| MAPGAPC3 | MAP (3) | MAP (3) | |
| MAPGAPC4 | MAP (4) | MAP (4) | |
| MAPGAPC5 | MAP (5) | MAP (5) | |
| MAPGAPC6 | MAP (6) | MAP (6) | |
| MAPGAPC7 | MAP (7) | MAP (7) | |
| MAPGAPC8 | MAP (8) | MAP (8) | |
| MAPGAPC9 | MAP (9) | MAP (9) | |
| MAPGAPC10 | MAP (10) | MAP (10) | |
| MAPGAPC11 | MAP (11) | MAP (11) | |
| MAPGAPC12 | MAP (12) | MAP (12) | |
| MAPGAPC13 | MAP (13) | MAP (13) | |
| MAPGAPC14 | MAP (14) | MAP (14) | |
| MAPGAPC15 | MAP (15) | MAP (15) | |
| MAPGAPC16 | MAP (16) | MAP (16) | |
| MAPGAPC17 | MAP (17) | MAP (17) | |
| MAPGAPC18 | MAP (18) | MAP (18) | |
| Automatic switch-onto-fault logic (SOF) | CVPSOF1 | CVPSOF (1) | SOFT/21/50 (1) |
| Voltage vector shift protection | VVSPPAM1 | VS (1) | 78V (1) |
| Directional reactive power undervoltage protection | DQPTUV1 | Q> -> ,3U< (1) | 32Q,27 (1) |
| DQPTUV2 | Q> -> ,3U< (2) | 32Q,27 (2) | |
| Underpower protection | DUPPDPR1 | P< (1) | 32U (1) |
| DUPPDPR2 | P< (2) | 32U (2) | |
| Reverse power/directional overpower protection | DOPPDPR1 | P>/Q> (1) | 32R/32O (1) |
| DOPPDPR2 | P>/Q> (2) | 32R/32O (2) | |
| DOPPDPR3 | P>/Q> (3) | 32R/32O (3) | |
| Three-phase underexcitation protection | UEXPDIS1 | X< (1) | 40 (1) |
| UEXPDIS2 | X< (2) | 40 (2) | |
| Low-voltage ride-through protection | LVRTPTUV1 | U<RT (1) | 27RT (1) |
| LVRTPTUV2 | U<RT (2) | 27RT (2) | |
| LVRTPTUV3 | U<RT (3) | 27RT (3) | |
| Rotor earth-fault protection | MREFPTOC1 | Io>R (1) | 64R (1) |
| High-impedance differential protection for phase A | HIAPDIF1 | dHi_A> (1) | 87A (1) |
| High-impedance differential protection for phase B | HIBPDIF1 | dHi_B> (1) | 87B (1) |
| High-impedance differential protection for phase C | HICPDIF1 | dHi_C> (1) | 87C (1) |
| Circuit breaker uncorresponding position start-up | UPCALH1 | CBUPS (1) | CBUPS (1) |
| UPCALH2 | CBUPS (2) | CBUPS (2) | |
| UPCALH3 | CBUPS (3) | CBUPS (3) | |
| Three-independent-phase non- directional overcurrent protection, low stage | PH3LPTOC1 | 3I_3> (1) | 51P-1_3 (1) |
| PH3LPTOC2 | 3I_3> (2) | 51P-1_3 (2) | |
| Three-independent-phase non- directional overcurrent protection, high stage | PH3HPTOC1 | 3I_3>> (1) | 51P-2_3 (1) |
| PH3HPTOC2 | 3I_3>> (2) | 51P-2_3 (2) | |
| Three-independent-phase non- directional overcurrent protection, instantaneous stage | PH3IPTOC1 | 3I_3>>> (1) | 50P/51P_3 (1) |
| Directional three-independent-phase directional overcurrent protection, low stage | DPH3LPDOC1 | 3I_3> -> (1) | 67-1_3 (1) |
| DPH3LPDOC2 | 3I_3> -> (2) | 67-1_3 (2) | |
| Directional three-independent-phase directional overcurrent protection, high stage | DPH3HPDOC1 | 3I_3>> -> (1) | 67-2_3 (1) |
| DPH3HPDOC2 | 3I_3>> -> (2) | 67-2_3 (2) | |
| Three-phase overload protection for shunt capacitor banks | COLPTOC1 | 3I> 3I< (1) | 51C/37 (1) |
| Current unbalance protection for shunt capacitor banks | CUBPTOC1 | dI>C (1) | 51NC-1 (1) |
| Shunt capacitor bank switching resonance protection, current based | SRCPTOC1 | TD> (1) | 55TD (1) |
| Control | |||
| Circuit-breaker control | CBXCBR1 | I <-> O CB (1) | I <-> O CB (1) |
| CBXCBR2 | I <-> O CB (2) | I <-> O CB (2) | |
| CBXCBR3 | I <-> O CB (3) | I <-> O CB (3) | |
| Disconnector control | DCXSWI1 | I <-> O DCC (1) | I <-> O DCC (1) |
| DCXSWI2 | I <-> O DCC (2) | I <-> O DCC (2) | |
| DCXSWI3 | I <-> O DCC (3) | I <-> O DCC (3) | |
| DCXSWI4 | I <-> O DCC (4) | I <-> O DCC (4) | |
| Earthing switch control | ESXSWI1 | I <-> O ESC (1) | I <-> O ESC (1) |
| ESXSWI2 | I <-> O ESC (2) | I <-> O ESC (2) | |
| ESXSWI3 | I <-> O ESC (3) | I <-> O ESC (3) | |
| Disconnector position indication | DCSXSWI1 | I <-> O DC (1) | I <-> O DC (1) |
| DCSXSWI2 | I <-> O DC (2) | I <-> O DC (2) | |
| DCSXSWI3 | I <-> O DC (3) | I <-> O DC (3) | |
| DCSXSWI4 | I <-> O DC (4) | I <-> O DC (4) | |
| Earthing switch indication | ESSXSWI1 | I <-> O ES (1) | I <-> O ES (1) |
| ESSXSWI2 | I <-> O ES (2) | I <-> O ES (2) | |
| ESSXSWI3 | I <-> O ES (3) | I <-> O ES (3) | |
| Emergency start-up | ESMGAPC1 | ESTART (1) | ESTART (1) |
| Autoreclosing | DARREC1 | O -> I (1) | 79 (1) |
| DARREC2 | O -> I (2) | 79 (2) | |
| Synchronism and energizing check | SECRSYN1 | SYNC (1) | 25 (1) |
| Tap changer position indication | TPOSYLTC1 | TPOSM (1) | 84M (1) |
| Tap changer control with voltage regulator | OLATCC1 | COLTC (1) | 90V (1) |
| Condition monitoring and supervision | |||
| Circuit-breaker condition monitoring | SSCBR1 | CBCM (1) | CBCM (1) |
| SSCBR2 | CBCM (2) | CBCM (2) | |
| SSCBR3 | CBCM (3) | CBCM (3) | |
| Trip circuit supervision | TCSSCBR1 | TCS (1) | TCM (1) |
| TCSSCBR2 | TCS (2) | TCM (2) | |
| Current circuit supervision | CCSPVC1 | MCS 3I (1) | MCS 3I (1) |
| CCSPVC2 | MCS 3I (2) | MCS 3I (2) | |
| Current transformer supervision for high-impedance protection scheme for phase A | HZCCASPVC1 | MCS I_A (1) | MCS I_A (1) |
| Current transformer supervision for high-impedance protection scheme for phase B | HZCCBSPVC1 | MCS I_B (1) | MCS I_B (1) |
| Current transformer supervision for high-impedance protection scheme for phase C | HZCCCSPVC1 | MCS I_C (1) | MCS I_C (1) |
| Advanced current circuit supervision for transformers | CTSRCTF1 | MCS 3I,I2 (1) | MCS 3I,I2 (1) |
| Fuse failure supervision | SEQSPVC1 | FUSEF (1) | 60 (1) |
| Runtime counter for machines and devices | MDSOPT1 | OPTS (1) | OPTM (1) |
| MDSOPT2 | OPTS (2) | OPTM (2) | |
| Measurement | |||
| Three-phase current measurement | CMMXU1 | 3I (1) | 3I (1) |
| CMMXU2 | 3I (2) | 3I (2) | |
| Sequence current measurement | CSMSQI1 | I1, I2, I0 (1) | I1, I2, I0 (1) |
| CSMSQI2 | I1, I2, I0 (B) (1) | I1, I2, I0 (B) (1) | |
| Residual current measurement | RESCMMXU1 | Io (1) | In (1) |
| RESCMMXU2 | Io (2) | In (2) | |
| Three-phase voltage measurement | VMMXU1 | 3U (1) | 3V (1) |
| Single-phase voltage measurement | VAMMXU2 | U_A (2) | V_A (2) |
| VAMMXU3 | U_A (3) | V_A (3) | |
| Residual voltage measurement | RESVMMXU1 | Uo (1) | Vn (1) |
| Sequence voltage measurement | VSMSQI1 | U1, U2, U0 (1) | V1, V2, V0 (1) |
| Three-phase power and energy measurement | PEMMXU1 | P, E (1) | P, E (1) |
| Load profile record | LDPRLRC1 | LOADPROF (1) | LOADPROF (1) |
| Frequency measurement | FMMXU1 | f (1) | f (1) |
| Fault location | |||
| Fault locator | SCEFRFLO1 | FLOC (1) | 21FL (1) |
| Power quality | |||
| Current total demand distortion | CMHAI1 | PQM3I (1) | PQM3I (1) |
| Voltage total harmonic distortion | VMHAI1 | PQM3U (1) | PQM3V (1) |
| Voltage variation | PHQVVR1 | PQMU (1) | PQMV (1) |
| Voltage unbalance | VSQVUB1 | PQUUB (1) | PQVUB (1) |
| Other | |||
| Minimum pulse timer (2 pcs) | TPGAPC1 | TP (1) | TP (1) |
| TPGAPC2 | TP (2) | TP (2) | |
| TPGAPC3 | TP (3) | TP (3) | |
| TPGAPC4 | TP (4) | TP (4) | |
| Minimum pulse timer (2 pcs, second resolution) | TPSGAPC1 | TPS (1) | TPS (1) |
| TPSGAPC2 | TPS (2) | TPS (2) | |
| Minimum pulse timer (2 pcs, minute resolution) | TPMGAPC1 | TPM (1) | TPM (1) |
| TPMGAPC2 | TPM (2) | TPM (2) | |
| Pulse timer (8 pcs) | PTGAPC1 | PT (1) | PT (1) |
| PTGAPC2 | PT (2) | PT (2) | |
| Time delay off (8 pcs) | TOFGAPC1 | TOF (1) | TOF (1) |
| TOFGAPC2 | TOF (2) | TOF (2) | |
| TOFGAPC3 | TOF (3) | TOF (3) | |
| TOFGAPC4 | TOF (4) | TOF (4) | |
| Time delay on (8 pcs) | TONGAPC1 | TON (1) | TON (1) |
| TONGAPC2 | TON (2) | TON (2) | |
| TONGAPC3 | TON (3) | TON (3) | |
| TONGAPC4 | TON (4) | TON (4) | |
| Set-reset (8 pcs) | SRGAPC1 | SR (1) | SR (1) |
| SRGAPC2 | SR (2) | SR (2) | |
| SRGAPC3 | SR (3) | SR (3) | |
| SRGAPC4 | SR (4) | SR (4) | |
| Move (8 pcs) | MVGAPC1 | MV (1) | MV (1) |
| MVGAPC2 | MV (2) | MV (2) | |
| MVGAPC3 | MV (3) | MV (3) | |
| MVGAPC4 | MV (4) | MV (4) | |
| Integer value move | MVI4GAPC1 | MVI4 (1) | MVI4 (1) |
| MVI4GAPC2 | MVI4 (2) | MVI4 (2) | |
| MVI4GAPC3 | MVI4 (3) | MVI4 (3) | |
| MVI4GAPC4 | MVI4 (4) | MVI4 (4) | |
| Analog value scaling | SCA4GAPC1 | SCA4 (1) | SCA4 (1) |
| SCA4GAPC2 | SCA4 (2) | SCA4 (2) | |
| SCA4GAPC3 | SCA4 (3) | SCA4 (3) | |
| SCA4GAPC4 | SCA4 (4) | SCA4 (4) | |
| Generic control point (16 pcs) | SPCGAPC1 | SPC (1) | SPC (1) |
| SPCGAPC2 | SPC (2) | SPC (2) | |
| SPCGAPC3 | SPC (3) | SPC (3) | |
| Remote generic control points | SPCRGAPC1 | SPCR (1) | SPCR (1) |
| Local generic control points | SPCLGAPC1 | SPCL (1) | SPCL (1) |
| Generic up-down counters | UDFCNT1 | UDCNT (1) | UDCNT (1) |
| UDFCNT2 | UDCNT (2) | UDCNT (2) | |
| UDFCNT3 | UDCNT (3) | UDCNT (3) | |
| UDFCNT4 | UDCNT (4) | UDCNT (4) | |
| UDFCNT5 | UDCNT (5) | UDCNT (5) | |
| UDFCNT6 | UDCNT (6) | UDCNT (6) | |
| UDFCNT7 | UDCNT (7) | UDCNT (7) | |
| UDFCNT8 | UDCNT (8) | UDCNT (8) | |
| UDFCNT9 | UDCNT (9) | UDCNT (9) | |
| UDFCNT10 | UDCNT (10) | UDCNT (10) | |
| UDFCNT11 | UDCNT (11) | UDCNT (11) | |
| UDFCNT12 | UDCNT (12) | UDCNT (12) | |
| Programmable buttons (16 buttons) | FKEYGGIO1 | FKEY (1) | FKEY (1) |
| Logging functions | |||
| Disturbance recorder | RDRE1 | DR (1) | DFR (1) |
| Fault recorder | FLTRFRC1 | FAULTREC (1) | FAULTREC (1) |
| Sequence event recorder | SER1 | SER (1) | SER (1) |