Table 233. Functions included in the relay, continued
Function
IEC 61850
IEC 60617
ANSI
Three-phase overvoltage variation protection
PHVPTOV
3Urms>
59.S1
Three-phase overvoltage protection
PHPTOV
3U>
59
Positive-sequence overvoltage protection
PSPTOV
U1>
59PS
Positive-sequence undervoltage protection
PSPTUV
U1<
27PS
Negative-sequence overvoltage protection
NSPTOV
U2>
59NS
Frequency protection
FRPFRQ
f>/f<,df/dt
81
Three-phase voltage-dependent overcurrent
protection
PHPVOC
3I(U)>
51V
Overexcitation protection
OEPVPH
U/f>
24
Three-phase thermal protection for feeders, cables and
distribution transformers
T1PTTR
3Ith>F
49F
Three-phase thermal overload protection, two time
constants
T2PTTR
3Ith>T/G/C
49T/G/C
Three-phase overload protection for shunt capacitor
banks
COLPTOC
3I> 3I<
51,37,86C
Current unbalance protection for shunt capacitor banks CUBPTOC
dI>C
60N
Three-phase current unbalance protection for shunt
capacitor banks
HCUBPTOC
3dI>C
60P
Shunt capacitor bank switching resonance protection,
current based
SRCPTOC
TD>
55ITHD
Compensated neutral unbalance voltage protection
CNUPTOV
CNU>
59NU
Directional negative-sequence overcurrent protection
DNSPDOC
I2> ->
67Q
Low-voltage ride-through protection
LVRTPTUV
UU
27RT
Voltage vector shift protection
VVSPPAM
VS
78VS
Directional reactive power undervoltage protection
DQPTUV
Q> -> ,3U<
32Q,27
Reverse power/directional overpower protection
DOPPDPR
P>/Q>
32R/32O
Underpower protection
DUPPDPR
P<
32U
Three-phase underimpedance protection
UZPDIS
ZZ
21G
Three-phase underexcitation protection
UEXPDIS
X<
40
Third harmonic-based stator earth-fault protection
H3EFPSEF
dUo>/Uo3H
64TN
Rotor earth-fault protection (injection method)
MREFPTOC
Io>R
64R
High-impedance or flux-balance based differential
protection
MHZPDIF
3dIHi>M
87HIM
Out-of-step protection with double blinders
OOSRPSB
OOS
78PS
Negative-sequence overcurrent protection for
machines
MNSPTOC
I2>M
46M
Loss of phase, undercurrent
PHPTUC
3I<
37
Loss of load supervision
LOFLPTUC
3I<
37
Motor load jam protection
JAMPTOC
Ist>
50TDJAM
Motor start-up supervision
STTPMSU
Is2t n<
49,66,48,50TDLR
Motor start counter
MSCPMRI
n<
66
1MRS759144 A
REX640
Product version: 1
ABB
115
Summary of Contents for RELION REX640
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