Description
IEC 61850
IEC 60617
ANSI
Non-directional earth-fault
protection, high stage
EFHPTOC
I0>>
51N-2
Non-directional earth-fault
protection, instantaneous stage
EFIPTOC
I0>>>
50N/51N
Directional earth-fault protection,
low stage
DEFLPDEF
I0> ->
67N-1
Directional earth-fault protection,
high stage
DEFHPDEF
I0>> ->
67N-2
Harmonics based earth-fault
protection
HAEFPTOC
Io>HA
51NHA
Transient/intermittent earth-fault
protection
INTRPTEF
I0> -> IEF
67NIEF
Admittance-based earth-fault
protection
EFPADM
Yo> ->
21YN
Multi-frequency admittance-based
earth-fault protection
MFADPSDE
I0> ->Y
67YN
Wattmetric earth-fault protection
WPWDE
Po> ->
32N
Stabilised restricted earth-fault
protection
LREFPNDF
dI0Lo>
87NL
Third harmonic based stator earth
fault protection
H3EFPSEF
dUo(3H)>/
Uo(3H)<
27/59THD
High-impedance based restricted
earth-fault protection
HREFPDIF
dI0Hi>
87NH
Rotor earth-fault protection
MREFPTOC
Io>R
64R
Phase discontinuity protection
PDNSPTOC
I2/I1>
46PD
Negative-sequence overcurrent
protection
NSPTOC
I2>
46
Negative-sequence overcurrent
protection for machines
MNSPTOC
I2>G/M
46G/46M
Phase-reversal protection
PREVPTOC
I2>>
46R
Three-phase thermal overload
protection for feeder
T1PTTR
3Ith>F
49F
Three-phase thermal overload
protection, two time constants
T2PTTR
3Ith>T/G
49T/G
Three-phase thermal overload
protection for motors
MPTTR
3Ith>M
49M
Motor startup supervision
STTPMSU
Is2t n<
48,66,14,51LR
Motor load jam protection
JAMPTOC
Ist>
51LR
Emergency start
ESMGAPC
ESTART
ESTART
Loss of load supervision
LOFLPTUC
3I<
37
Three-phase current inrush
detection
INRPHAR
3I2f>
68
Transformer differential protection
for two-winding transformers
TR2PTDF
3dI>T
87T
High-impedance or flux-balance
based differential protection for
machines
MHZPDIF
3dIHi>G/M
87GH/87MH
Table continues on next page
1MRS756509 E
Section 1
Introduction
630 series
9
Operation Manual