Description
IEC 61850
IEC 60617
ANSI
Stabilized differential protection for
machines
MPDIF
3dI>G/M
87G/87M
Three-phase overvoltage
protection
PHPTOV
3U>
59
Three-phase undervoltage
protection
PHPTUV
3U<
27
Positive-sequence overvoltage
protection
PSPTOV
U1>
47O+
Positive-sequence undervoltage
protection
PSPTUV
U1<
47U+
Negative-sequence overvoltage
protection
NSPTOV
U2>
47O-
Residual overvoltage protection
ROVPTOV
U0>
59G
Directional reactive power
undervoltage protection
DQPTUV
Q>-->,3U<
32Q,27
Reverse power/directional
overpower protection
DOPPDPR
P>
32R/32O
Underpower protection
DUPPDPR
P<
32U
Frequency gradient protection
DAPFRC
df/dt>
81R
Overfrequency protection
DAPTOF
f>
81O
Underfrequency protection
DAPTUF
f<
81U
Load shedding
LSHDPFRQ
UFLS/R
81LSH
Low voltage ride through protection
function
LVRTPTUV
U<RT
27RT
Overexcitation protection
OEPVPH
U/f>
24
Voltage vector shift protection
VVSPPAM
VS
78V
Three-phase underexcitation
protection
UEXPDIS
X<
40
Three-phase underimpedance
protection
UZPDIS
Z< GT
21GT
Circuit breaker failure protection
CCBRBRF
3I>/I0>BF
51BF/51NBF
Tripping logic
TRPPTRC
I -> O
94
Multipurpose analog protection
MAPGAPC
MAP
MAP
Protection-related functions
Local acceleration logic
DSTPLAL
LAL
LAL
Communication logic for residual
overcurrent
RESCPSCH
CLN
85N
Scheme communication logic
DSOCPSCH
CL
85
Current reversal and WEI logic
CRWPSCH
CLCRW
85CRW
Current reversal and WEI logic for
residual overcurrent
RCRWPSCH
CLCRWN
85NCRW
Control
Bay control
QCCBAY
CBAY
CBAY
Interlocking interface
SCILO
3
3
Table continues on next page
Section 1
1MRS756509 E
Introduction
10
630 series
Operation Manual